Embedded Linux On a High Speed Camera

destructor writes: "Linuxdevices has an interesting article on a High Speed Gated Intensified Camera that "combines a fast gated micro-channel plate (MCP) image intensifier, a CMOS image sensor, and an embedded computer based on an Axis Communications ETRAX RISC processor running Embedded Linux." The camera (Elphel Model 303) itself is network operable and can be used for capturing images of explosions, lightning bolts, etc. Link found via. megarad.com."

Comments

Human again

[BankofAmerica_ATM]

After transferring into my host geek's body late last night, I decided to indulge myself with one of the few items that I hadn't bought from the humble corner store. One that my host had specifically warned me against buying.

Small white cylindrical sticks, packed tightly in shiny cartons, wrapped delicately in translucent packets with just a touch of gold on the edges. Furtively stashed behind the counter like the mag-stripe on an ATM card. Lusted after by teenagers, shoplifted by drunks. My unlimited access to the Bank of America's network gave me as much cash as I desired, and I would spend it however I want. My host would simply have to deal with it.

As soon as I took form, I rushed to the counter. "Pack of Marl-bor-os," I drawled, manipulating my host's tongue with the three syllables I had practiced dutifully in my hours spent in limbo.

After my purchase, I marched across the street to the park, greedily tearing back the layers of packaging that kept me from sating myself.

The white sticks had a very peculiar taste. But I was determined to finish at least one package before giving up. After all, Lik-M-Aid is unwieldy to handle at first, but the tangy sensations that it yields are well worth the effort.

Unfortunately, my host's body had some sort of an error before I had consumed even half the carton. It lagged in responding to my commands, and a stifling perspiration overtook it. An odd but unpleasant feeling reigned over both stomach and head. Parkgoers avoided me, but I heard their murmuring swirling around me in all directions. The mouth began speaking words I never commanded it to utter-punctuated with inky black chunks, a sludgy liquid, and bits of paper. I felt the cold hardness of the sidewalk, and the warmness of the sludgy liquid, then nothing.

I am unsure how long the body was fastened to the concrete in the park, but when I finally regained control, I had to force the body to move back to the store with all my strength.

I didn't notice that my hosts' leather pouch was missing, that his clothes were covered in micturations and vomiting, or that he was absent from his place of employment. I think it's unfair of him to say that I'm not trying to stop Project Faustus. He has not an ounce of knowledge of what I do when I inhabit his body. I will admit that eating the cigarettes was an ill-advised choice.

But refusing to allow me access into his body again is a terrible choice that he is making for all humanity. Would anyone else be so noble as to show him the error of his ways? Will anyone host me again?

Or shall I be a lone warrior, trapped in the heartless world of service charges and automated deposits until my enclosure collapses from the strain of my heavy heart?

Re:Human again

[kahuna720]

I follow the developments in your story with interest. Nice FP, although I am unsure whether you have an unfair advantage, being a machine and all that...

pr0n?

[Mtn_Dewd]

What precise effect will this play on the online pr0n industry?

Re:pr0n?

[servasius_jr]

What precise effect will this play on the online pr0n industry?

That depends on how many people are turned on by explosions and lightning bolts.

Re:pr0n?

[Ralph JewHater Nader]

Since the pornography industry is owned and operated by jews, one might expect the zionist tricksters to try to convert anything to their advantage and profit.

Re:pr0n?

[Anonymous Coward]

what does zionist mean?

Re:pr0n?

[Anonymous Coward]

how the fuck did you come up with Ralph JewHater Nader anyway?

Home-Matrix movies or Meteor shower capture?

[itsnotme]

Wouldnt mind using this to make my own home-brewed Matrix movies..

Kid jumping off roof with blankie thinking he's going to be ok.. you get to get every angle of that by running around him with the camera :-)

Would be nice to be able to take a lot of shots ( and I mean helluva lot of shots ) of meteor showers then you'd have a pretty good chance of grabbing a good shot..

Re:Home-Matrix movies or Meteor shower capture?

[borric]

Is it wrong to just want one of these for the simple pleasure of capturing all those COMPLETELY embarrissing moments? all the moments you are drunk and posting at lightning speed on slashdot?

yeah, maybe it can do all that, but..

[garcia]

can it catch a glimse of a speeding CowboyNeal running around after he gets the most votes on the "Which brand of lightbulb do you prefer?" Slashdot Poll?

Re:yeah, maybe it can do all that, but..

[Anonymous Coward]

I think you would need to take 3 pictures and attach them horizontally together to make a panaramic view to "catch a glimse of a speeding CowboyNeal running around".

Re:yeah, maybe it can do all that, but..

[Anonymous Coward]

&gt can it catch a glimse of a speeding CowboyNeal running around after he gets the most votes on the "Which brand of lightbulb do you prefer?" Slashdot Poll?

He's gonna run pretty fast, so you're gonna need a massive Beowulf cluster of them.

Uh oh.....did I just say that?

Too limited!

[QuickFox]

The camera [...] can be used for capturing images of explosions, lightning bolts, etc.

Wouldn't it be better to make a camera that can be used for ordinary pictures?

Give a man a fish and he eats for one day. Teach him how to fish, and though he'll eat for a lifetime, he'll call you a miser for not giving him your fish.

Re:Too limited!

[UncleRoger]

There are quite a few network cameras with built-in webservers that are not so specialized; see my other post on the subject for links.

Men Without Hats - The Safety Dance

[Anonymous Coward]

Men Without Hats
The Rhythm of Youth (1982)
The Safety Dance

Ssss-Aaaa-Ffff-Eeee-Tttt-Yyyy
Safety-Dance!

Ah we can dance if we want to, we can leave your friends behind
Cause your friends don't dance and if they don't dance
Well they're are no friends of mine
I say, we can go where we want to, A place where they will never find
And we can act like we come from out of this world
Leave the real one far behind,
and we can dance

We can dance if we want to, we can leave your friends behind
Cause your friends don't dance and if they don't dance
Well they're are no friends of mine
I say, we can go where we want to a place where they will never find
And we can act like we come from out of this world
Leave the real one far behind
and we can dance.

Francois!

Ah we can go when we want to the night is young and so am I
And we can dress real neat from our hats to our feet
and surprise 'em with the victory cry

I Say we can act if want to if we don't nobody will
And you can act real rude and totally removed
And i can act like an imbecile
I say we can dance, we can dance everything out control
We can dance, we can dance we're doing it wall to wall
We can dance, we can dance everybody look at your hands
We can dance, we can dance everybody takin' the chance
Safety dance
Oh well the safety dance
Ah yes the safety dance

Ssss-Aaaa-Ffff-Eeee-Tttt-Yyyy
Safety-Dance

We can dance if we want to, we've got all your life and mine
As long as we abuse it, never gonna lose it
Everything'll work out right
I say, we can dance if we want to we can leave your friends behind
Cause your friends don't dance and if they don't dance
Well they're are no friends of mine
I say we can dance, we can dance everything out control
We can dance, we can dance we're doing it wall to wall
We can dance, we can dance everybody look at your hands
We can dance, we can dance everybody's takin' the chance
Oh Well the safety dance
ah yes the safety dance
Oh well the safety dance
Oh well the safety dance
Oh yes the safety dance
Oh the safety dance yeah
Oh it's the safety dance
It's the safety dance
Well it's the safety dance
Oh it's the safety dance
Oh it's the safety dance
Oh it's the safety dance
Oh it's the safety dance

Embedded page lengthening posts on Slashdot

[Klerck]

Don't forget to add me to your foes list! Fags!

Back by unpopular demand, more random number crapflooding!

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1

time to kill myself

[Anonymous Coward]

i want to die

Re:time to kill myself

[Anonymous Coward]

go out like the wipo troll did

refer here and here

Re:time to kill myself

[Anonymous Coward]

Ah, well. Don't do that. See a doctor instead.
Life ain't always great but it can get better.

Re:time to kill myself

[Anonymous Pancake]

nothing cheers you up like brightly colored windowsXP!

ah, linux

[global_diffusion]

Is it me, or is any device running linux deemed as a huge success/news story? Can't wait for those linux powered vibrators (a penguin in every ... well, ...).

Re:ah, linux

[itsnotme]

No.. its just showing how Linux is spreading into the various devices.. You're never going to catch microsoft windows in any cameras yet Linux got its way into a camera.. hence its cool factor

Re:ah, linux

[Restil]

SHHHHHHHHHH!!!!!! Quit giving bored, unemployed geeks ideas!

-Restil

Re:ah, linux

[Anonymous Coward]

Wouldn't that make the penguin a sticky beak?

Re:ah, linux

[I.T.R.A.R.K.]

That's because it's the biggest pain in the ass to get working. And really, no one cares about it.
It's like a plane crash. You see it on the news because it happens so rarely. But car crashes and murders don't even make second page news because they happen every day. Unless you live in Toronto where the crime rate is three times more than than there are days in the year, in which case you need to find a new fucking place to live.
What the hell am I talking about?

Re:ah, linux

[Anonymous Pancake]

Actually Canadian cities have VERY low crime rate compared to american ones.

Probably has to do with the gun control we have.

Re:ah, linux

[malfunct]

Yeah, a couple of US thieves could steal everything in the country. I guess its a good thing your govt takes all your money in taxes and there is nothing to steal :)

Actually useful!

[madenosine]

At first sight, I thought running Linux on a camera would be useless, but it actually DOES have some great uses; mainly high quality, low budget films, in which a low budget movie can produce effects like those in The Matrix, for a fraction of the cost. IMO, small, abstract markets like this might be more important to the future of Linux than things like Linux on PDAs.

Blinded Me with Science

[Alien54]

As usual, Linux/unix/*nix/etc are found where important research are found. This is very encouraging for the future.

Just for the educational point:

What is a "gated intensified camera"?

This term refers to a class of ultra-fast cameras, with exposure times in the nanosecond range. "Intensified" comes from image intensifiers -- vacuum tubes similar to those for the nigh-vision devices. "Gated" means those tubes (in contrast to night-vision applications) are used as shutters by applying fast electrical pulses to the control electrodes.

The neat thing is that the camera is operating as a webserver:

I have always disliked trying to find out why my company's systems were not working our customers' sites -- had my hardware really failed, or had they just updated some (seemingly unrelated) software on their computers which were running a popular OS? - - - This last issue unambiguously told me the camera should run a web server. Internet technologies are the best de-facto "common denominator" for the different computers and operating systems.

The world's fastest webcam! amazing! ;-)

Re:Blinded Me with Science

[.smoke]

"Intensified" comes from image intensifiers -- vacuum tubes similar to those for the nigh-vision devices.

Actually, the blurb mentions it uses a microchannel plate. In a standard photo-multiplier tube, a photon hits the cathode plate of a "tube", kicking out an electron, which is then accelerated towards the anode. Here they can be used to generate an electrical signal, or more commonly knock out even more electrons to be accelerated towards and even more positively charged anode for a stronger signal, and so on. These "tubes" are carefully arranged in a (kind of) circular array to make sure as many of the accelerated electrons hit the next anode.

A microchannel plate works in essentially the same way, except that the initial photoelectrons are accelerated down narrow tubes instead of a series of anodes. As the electrons collide with the walls of the tubes, they knock more electrons free, these collide again, etc. Also, using narrow tubes like this preserves the spatial resolution of the original photoelectrons - light hitting a small region of the detector produces photoelectrons in only that area and the signal is amplified by only a few of these tubes, producing a final signal in that one spot at the other end of the MCP.

Ah, but can it....

[The Fred]

Catch the speed at which this site is going to be slashdotted?

OH HOW I ENVY AMERICAN STUDENTS

[Anonymous Coward]

OH HOW I ENVY AMERICAN STUDENTS

Since it's coming up to the start of a new academic year I thought I'd take this opportunity to explain how lucky you Americans are to have a fraternity system.

English Universities are so dull by comparison. Like most students in England I had to rent private accommodation for my second and third years, but it never occurred to us to build a whole culture around collectively renting a rather dilapidated house in Clapham. It wasn't even single sex accommodation, so we couldn't engage in the fun and games of para-homosexual activities - Girls just don't have the same grip on your loyalties as your Greek brothers ;-). And while cliques certainly form in English Universities, the are all much too boring to come up with the idea of hazing. I fondly recall diving off a weir and almost drowning when I was 12 because everyone said I was chicken. If only it had been possible for me to gain respect in later life through similar tests, and if these tests could have been combined with pseudo Masonic rituals culminating in the awarding of a little badge, then that truly would have made my time at University worthwhile. And while I still have friends from University, these friendships seem so hollow compared to bonds of fraternal brotherhood since they are not based on solemn vows of fellowship, mutual sacrifice, group solidarity and owning the same poxy little badge.

Then there's sheer joy alcohol seems to bring fraternity members.. By the time I went to university the delights of getting dangerously drunk at parties had started to seem mundane. But to American students in fraternities, the bravado of excessive alcohol consumption is a an exciting new and illicit game where you can prove yourself worthy to all your male friends and simultaneously circumvent college alcohol policy - thereby proving what a rebel you are too. Gosh. I am also rather fond of the references to ancient Greece. It reeks of a history far nobler and grander than anything a British University can instil its students with, and the wearing of togas must make it seem as authentic as a ploughman's lunch. I think what I am trying to say is that Fraternities give young Americans the chance to grow up in their own time, and that it is regrettable that no similar opportunity is afforded to European Students. In particular, I find it sad that even some American students forego the opportunity to wear togas and claim to be Greek. Really this should be mandatory, so every graduate will be secure in the knowledge that they have gained something much more valuable than a degree from an American University - a little badge with some Greek letters on it.

Although I am not American, I admire the system so much that I would dearly love to become an honorary member of a fraternity. I have set my heart on becoming an alumni of Theta Omicron Sigma Sigma Epsilon Ro Sigma. I do so hope this is possible.

Re:OH HOW I ENVY AMERICAN STUDENTS

[Anonymous Coward]

i read through your post you stupid schmuck, i hope youre hpapy.

Re:OH HOW I ENVY AMERICAN STUDENTS

[Merlin_]

T-O-S-S-E-R-S ... very clever indeed!

A good pattern recognition framework needed

[MacroRex]

Imagine all the uses if we had a modular pattern recognition framework that can analyze pictures taken with this thing. One would only need to write a module that recognizes a specific thing to be able to have that information usable in any application.

For example, if I had the ability to extract all facial images captured by the camera I could feed them to something like this.

Of course there are big issues about privacy and whatnot with that kind of application, but I'm not going to touch that here. There are plenty of other, non-privacy intruding uses for an automated image analyzation system.

Re:A good pattern recognition framework needed

[C. Mattix]

This would be great for an industrial shop floor QA system. It could take the picture and then analyze the photo for measurements and then check each and every part, as they fly across the line. I know systems that do this exist, but most of those use lasers and are much more expensive.

Re:A good pattern recognition framework needed

[torpor]

Ermmm... this sort of application of photography is actually already pretty widespread in industrial embedded systems, and while lasers are fairly commonly used, so are other optical systems too - depending on the relative wavelengths needed for exposure for optimal use of the CCD, etc.

A lot of DSP stuff was designed with these sorts of algorithms in mind.

The chips in the PC you're using to read this post probably had to fit within the bounds of a line convolution function at least a few thousand times before it was put in plastic to be sent to you ...

I wouldn't be so hasty to presume that this stuff is really that expensive.

Just esoteric.

Re:A good pattern recognition framework needed

[nurightshu]

Here at UPS we've got a small-package sorting system (project: Bullfrog), and the DCOR (Digital Camera Optical Readers) that acquires all package-tracking data from the shipping labels runs on embedded Linux. Of course, that's all that's running on Linux at the hub/center level...except for my rogue Red Hat box.

Sex

[Anonymous Coward]

I got laid at work!

Re:Sex

[Anonymous Coward]

expand on that idea please, and i will get lube for myself

Re:Sex

[BankofAmerica_ATM]

Tell me more about this "sex."

Man oh man..

[Anonymous Coward]

Thora Birch is hawt :o)~

Re:Man oh man..

[Anonymous Coward]

Bastard. You could have at least given a link.

That said, yeah, I'd like to make her eyeglasses sticky.

Here's another link for you.

Slashdot broke my browser!

[Anonymous Coward]

Hi. I came to your site because one of my friends said that all of the cool computer geeks hang out here. In my address bar there is a green /. before the website address. Is this some kind of Linux virus? After I left the site to go check out the latest news and hot deals on MSN, I noticed that the green /. WAS STILL THERE! I had to close the window and open up another one, right in the middle of reading a great Slate article on why GWB is the best president the US has ever had. Boy, was I cheezed!

Can anyone out there help me with this virus? System specs: Win98 SE, IE6.0, Athlon 1GHz Thunderbird, 256 Megs CL2 Micron RAM, Geforce 256 video card, Quantum Fireball 40 GB ATA100 HD, ASUS A7V-133 mobo, onboard WAVE audio, Logitech keyboard and mouse, Samtron 17" monitor, SMC EZ card 10/100 NIC, Fujitsu 3.5" floppy.

Thanks for your help.

How much does the camera cost?

[Anonymous Coward]

No prices on the site.

Slow down cowboy,

Slashdot requires you to wait 2 minutes between each successful posting of a comment to allow
everyone a fair chance at posting a comment.

It's been 1 minute since you last successfully posted a comment

i wonder what the problem is:

[Anonymous Coward]

why did they ONLY BLOW up HALF the DEATH-STAR!!!!

In order to purchase it...

[Anonymous Coward]

...you have to suck my dick bitch

High Speed Photography

[oldzoot]

High speed photography is a usefull tool for studying physical phenomena. If using a linux system lowers the cost and increases the availability of a usefull tool, that is a good thing. There are already lots of digital cameras which can take "ordinary" photographs, and there is increasing linux support for those also ( gphoto and gimp for example ). I think that any time an open source tool makes a genuine contribution to society, science or the advancement of ducks, it is a good thing. One concern however is that high speed cameras were initially developed in support of the development of nuclear weapons. Will this tool enhance the proliferation of such devices ?

Re:High Speed Photography

[nyquist_theorem]

Ahh, my eyes must be going... I read that subject line as High Speed Pornography... :o

Re:High Speed Photography

[AndreyFilippov]

I believe for the nuclear test they may use that huge and expensive older stuff. I tried to make something more simple.

maybe you should read this before using linux

[Anonymous Coward]

I'm a statistician for a large corporation. I cannot reveal which one or my identity so I must post this anonymously. I deal a lot with statistics in the computer world, and we are contracted often by ad agencies for information in regards to the preferences of computer users. One assignment was dealing with the operating systems and their user's lifestyle and preferences. The results we came up with were interesting and shocking. Here are some memorable tidbits.

Windows users

87% of Windows users are employed (3% on welfare)

40% hold a university level degree

43% in a heterosexual relationship

5% are in a homosexual relationship

3% have a serious mental disorder

Linux users

32% of linux users are employed (15% are on welfare)

35% hold a university degree

4% are in a heterosexual relationship

37% are in a homosexual relationship

56% have a serious mental disorder

Thus we have concluded that effective ads related to linux should try and target the mentally disturbed, homosexuals, and the unemployed.

Re:maybe you should read this before using linux

[Anonymous Coward]

do you have any stats on IRIX users?

my life

[Anonymous Coward]

I remember thinking how naughty it was for me to pee outside with an erection -- this was
a few months after my father had told me not to show my penis outside of the house. I
remember my grandmother laughing at the sight of my brother fiddling with his little
erection and asking him if it tickled. I remember my father showing me how he played
with his penis, and I remember thinking that my penis would never get that big and hairy.
I also remember my mother explaining to me and my brother how women masturbated.
That was interesting -- our questions about pubic hair and why it existed led to Mom and
Dad both shaving their pubic hair completely off. Mom used bikini wax and Dad used a
razor, which meant that Mom was smooth and clean while Dad was slightly bumpy all
the time until Mom convinced him to use bikini wax as well. That reminds me that when
I first got my pubic hair growth, I refused to shave it even though neither Mom or Dad
had even suggested such a thing. I guess I thought they would demand that I shave too,
I1m not sure why I thought that. I think I was about 14 when that happened.

As far as seeing my parents have sex goes, we didn1t see too much. We did see them
perform oral sex on each other quite a few times, and we watched them make love a
couple of times. Mostly our observations were confined to watching Mom and Dad do a
little heavy petting. Then they would head to their bedroom and since my brother and I
thought that sex was natural and normal, we didn1t really have any desire to follow them
to the bedroom and watch. We knew what they were doing.

Which leads me to what my brother and I ended up doing. For years my brother and I had
been naked together, sometimes with erections, and thought nothing of it. Of course, I
was five years older than him, too. About the time I was nine and he was four, our play
grew to be more sexual than usual. We would touch each other1s penises instead of our
own. We would lay next to each other in a sort-of 69 position and just caress each other1s
penises and scrotums. It didn1t occur to use for some time that we could suck each other,
but eventually we did figure it out. At first we would kiss and lick each other and
gradually we progressed to actual sucking. We had no idea what we were doing and
would treat each other1s penises like lollipops or popsicles. It felt good, anyway. We
would do this at night most of the time -- he would come lie in my bed and we would
touch each other until one of us got sleepy, usually him. Then he would go to bed and I
would fondle myself until I went to sleep too.

I taught my brother about the thrill of peeing outside. We were breaking two rules: the
potty-training rule and the no-public-exposure rule. We would walk several blocks away
from our house to a field next to the school. From there we'd cut across the field and go
into the edge of the state park there. Once we were within the dense woods, we'd take off
our clothes and pee in one of our hidden spots. We never got caught. Eventually, as you
can guess, this led to sex between the two of us in the woods. Only during warm weather.

As far as getting caught goes, it only happened a few times. Our parents found us in
various stages of sexual activity when we were younger, like when I was 13 and he was
8, around those ages we weren't quite clever enough to not get caught. One or both of
them would find us either getting undressed, playing with each other, sucking, or getting
dressed after we were done. Most of the time they just smiled and walked away. If one
parent caught us and the other parent was home, the first one would leave us alone and in
a few minutes the other one would show up, smiling and all that. I know they were
excited by the idea of it because many times after they caught us, they'd end up in their
own bedroom. They never had sex in front of us right after they caught us having sex
play, I'm not sure why. ummm ... my dad caught us several times and so did my mom.
Actually mom more than dad because she was home more.

It was no big deal to them. Especially since we'd all bathe together and everything. I just
remembered a time when me, my brother and my dad were in the shower together and
one after another we all got erections. When we were all rock solid hard, my little brother
and I started playing with ourselves and then Dad started masturbating too. When we
started playing with each other, Dad kind of gasped and turned to the wall and came all
over the wall. That must have been a great orgasm for him though at the time I didn't
know what an orgasm felt like, though I knew what they were. Anyway, a couple of
times after that, especially when Mom wasn't in the house, when Dad caught us in a 69 or
whatever, he'd just take out his penis and masturbate while watching us. For some reason
we never thought to include him and he never asked. Frankly I'm glad because that could
have been kind of fucked up.

Anyway, as we got older we got better about our privacy. About the time I first started
cumming was when Mom and Dad quit snooping around, walking in to our rooms
without knocking, etc. Also my brother and I spent more time in the woods or in the
basement where we were not so easily caught. I think I was about 13 or 14 when I first
came while my brother was sucking my penis. He wasn't surprised by it but he didn't like
the taste (and neither did I at the time). In the evenings (we still shared a room) we'd go
to bed, both nude or partially clothed, turn out the lights, and if one of us was horny he'd
just climb into the other one's bed and try to get things going. As I got older I got more
irritated with my brother's attention, especially when I started high school and had to get
up an hour earlier. I never really got eight hours of sleep after 9th grade. :) But, to make a
long story short, we continued with our sex play all throughout my high school years. We
learned about rimming and anal sex through pornography and some of our parents' more
graphic books, and we tried those too. The first time my brother came during sex with
me, he was 12 and I was 16 going on 17. He was fucking my ass with his little penis
while I masturbated, and suddenly he clenched my ribs and spurted inside of me. It felt
really good and I did it to him later that week. About that time our sex started happening
more often because he was wanting to cum more often and basically, I liked to eat his
cum and I liked getting fucked by him.

When I went off to college I missed my family terribly though I did have plenty of great
gay (and straight) sex that first year. :) I came back for Christmas holidays and it was like
being in a new house. My brother didn't even react to the sight of my hard penis anymore,
where before he would eagerly suck it or at least rub me a little. Now he just played the
whole thing off. My dad and mom were just as nutty as ever, though. In fact, I was
actually kind of embarrassed when I walked in on my mom giving my dad head in the
bathtub. Things change.

OK, fast forward to now. I'm 20, about to turn 21 and my brother is 16. Summer break
just started here at school and I have my own apartment and job. I have two roommates,
one is a straight man and one is a gay man, and neither of them are interested in me. :)
My brother came to visit at the beginning of the summer break and while he was here he
slept in my giant king size bed with me. The first night he was here, we both stripped
nude and got into bed. I expected him to at least keep his underwear on but he didn't.
Almost as soon as we were in, he snuggled up behind me and I felt his hardening penis
press against my buttocks. I reached back and felt him, then turned around, slid down
under the covers and sucked him for a long while. In the middle of that he rolled onto his
back and I got on top of him, still sucking his penis, so he could rim me. It felt so fucking
good, I was about to cum already. When his cock and my ass were good and wet I
squatted over his crotch and guided his penis into me. Then I slowly sat forward and
kissed him while he made love to me. We stayed up for another three hours mostly
fooling around but also talking. The next morning it was again as if nothing had
happened. But the next night we did it all over again. It went on that way for the whole
week he was here. The sex was great but I am not sure if my little brother is the same as
he used to be in terms of just being open and accepting about gay sex.

I almost forgot to tell you about my other childhood sexual experiences. Aside from my
brother, I fooled around with a few friends in middle school -- mostly mutual
masturbation and stuff like that. That's about it, too. I guess I confined all my
experimentation to my brother.

Oh yeah, I'm 20 years old, in the middle of my college education, middle class, with two
loving parents and one younger brother, but you knew that already. :) I'm white, live in
the MidWest and I'm basically an agnostic, so is my whole family. That's all.

It's Linux, so...

[ringbarer]

High-speed man-to-man cumshots, no doubt. Filthy unkempt beards clogged up with man-goo.

???

[kidtexas]

So can I server PHP/MySQL webpages with Apache on this camera?

COOL

[Anonymous Coward]

This is the coolest thing since tube socks!

I worry.

[xxSOUL_EATERxx]

This camera is unquestionably an exciting use of embedded Linux. Few things rival the coolness factor of a panoramic lightning storm color photo spread. But I worry.

...what's next?

I think back to the film Real Genius probably the high point of Val Kilmer's acting career. In the film, the character of Hollyfield, a madman who lives in a closet, is described as "a gifted scientist, until he found out the government was using one of his inventions to kill people " (emphasis mine).

With that thought, the chilling possibility arises: if Linux can be used for good, like in cameras, how long before it is used for evil? How will Slashdot report on the first embedded-linux-using guided atomic bomb?This is something the needs to be seriously considered now. The Linux community cannot afford to wait until embedded Linux is used in torture devices by some fascist regime before confronting the possibilities of using Linux for evil.

A "Linux Bill of Rights" should be drawn up, roundly condemning the use of Linux for destructive, sexist, racist, or environmentally degrading practices. So much progress has been made through Linux. This great OS, the product of strong, free geeks, must not be allowed to become a tool for evil. The voices of the Linux community must be heard: rememer the lesson of Real Genius!

Re:I worry.

[4of12]

Linux doesn't kill people; people kill people.

Re:I worry.

[YoJ]

This is actually one of the deep philosophical points about free software. Namely, that software should be unrestricted in use, be it good or evil, commercial or educational, legal or illegal. Software is a tool just like a car is a tool. You don't have to sign an agreement when you buy a car to only use it on Microsoft(c) paved roads.

I INVENTED LINUX.

[L.Torvalds]

If LINUX is not enough to live for, then you should die.

I INVENTED LINUX.

[L.Torvalds]

More like you are a bunch of panty-wastes who couldn't hold up a liquor store if your lives depended on it.

Be careful!

[QuickFox]

Before you know it you'll find out that your camera has been infected with a virus that has posted all your nude and private pictures all over the Internet.

Give a man a fish and he eats for one day. Teach him how to fish, and though he'll eat for a lifetime, he'll call you a miser for not giving him your fish.

Re:Be careful!

[matrix29]

Before you know it you'll find out that your camera has been infected with a virus that has posted all your nude and private pictures all over the Internet.

Even worse...
The camera sends all of your nude and private pictures to a pay for entry website and labels them "Trailer Trash Exposed". Which then will get a video expose made of them and sold on FAUX NETWORK as "Girls Gone Wild for Trailer Trash Exposed". Which then is made into a police drama for the ever-moronic FAUX NEWS views called "World's Scariest Police Chases of Girls Gone Wild for Trailer Trash Exposed". Which will become so popular with the knuckle-dragging folks that a sequel titled "Leisure Suit Larry's Filming Dumb Sluts while World's Scariest Police chase Girls Gone Wild for Trailer Trash Exposed" and sold during Bill O'Reilly's "All Spin Zone".

Thusly leaving the American public so feebleminded to sit idle as their country is driven full-steam into a full-out depression while the unelected crook snorts another line of cocaine. Meanwhile the sleaze in ENRON bails and flees to other countries. Christian Reconstructionist John Ashcroft is then driven into a personal punishment dilemma over whether he should be frantically masturbating or offended that even his low levels of intellectual titillation have finally been met. Sad how our great nation has fallen to such blatent crooks and conmen and how horribly silent the voting public has been to the treasonous coup.

I INVENTED LINUX.

[L.Torvalds]

Those are interesting statistics!

If you use Linux, you have to call me DADDY.

I INVENTED LINUX.

[L.Torvalds]

If you carefully read the EULA included with every copy of Linux, you would note:

...And the installee agrees to not allow niggers, homofucktuals, or vegans to use Linux software...

It appears you are in violation of MY EULA.

Now you must call me your LINUX DADDY

That website visual kicks ass over slash

[cb0y]

Slash looks so boring and 97 like....

That site rocks ass!!!

Its SWEEEEEEEEEEEEEEEEEEET man! 10/10, slash=1/10

What's the point of a free operating system?

[tony_gardner]

I can't say I know about this product intimately, but my experience is that these products start at about USD 15000 and go up to about USD 50000. With these kind of prices, nobody cares about an operating system which costs USD 1000.

As a side point, The camera seems to have no external trigger, and be only network triggerable. If you're taking 10ns frames, this is not going to be useful.

On the other hand, the integration of the frame grabber gets around the problem of many cameras (especially pulnix) in that the camera needs a lot of fiddling before it works with a third party framegrabber.

Re:What's the point of a free operating system?

[Anonymous Coward]

1. Price for a module as shown on a data sheet is $5000-$7000, depending on the MCP quality. The least expensive I've seen was $1300, decent one $2500
Next most expensive component - fiberoptic taper ~$500
2. The most important for me with Linux was not that I did not need to pay for it but I was *free* to modify it and the applications.
3. External trigger - see schematics at http://www.elphel.com/3fhlo/index.html

Re:What's the point of a free operating system?

[AndreyFilippov]

Sorry, I probably hit the wrong button and was called "Anonymous Coward"
1. Price for a module as shown on a data sheet is $5000-$7000, depending on the MCP quality. The least expensive I've seen was $1300, decent one $2500
Next most expensive component - fiberoptic taper ~$500
2. The most important for me with Linux was not that I did not need to pay for it but I was *free* to modify it and the applications.
3. External trigger - see schematics at http://www.elphel.com/3fhlo/index.html

Re:What's the point of a free operating system?

[pubjames]

but my experience is that these products start at about USD 15000 and go up to about USD 50000. With these kind of prices, nobody cares about an operating system which costs USD 1000.

Maybe you've got money to burn, but I think most people would like a discount of between 2 and 7% on a reasonably large transation. $1000 is, well, $1000 whichever way you look at it.

A fool and his money...

Re:What's the point of a free operating system?

[tony_gardner]

Thanks for the prices, clearly it's a lot cheaper than some of the systems I've been looking at for our lab, maybe in part due to the lack of precision triggering features I talked about in the main post.

The point I was trying to make is that for most people buying a camera of this sort, they want to buy a finished system. I certainally don't have the time to fiddle to make a system work. I don't want to modify the operating system. And that's easily worth USD 1000 to me. The old argument as to whether a free operating system is cheaper.

In part also the people owning this camera already own something capable of creating bright light bursts down to 10ns (high speed photography is always flash photography) and so are not short of money in order to make their expensive system work.

Re:What's the point of a free operating system?

[gte910h]

As far as an embedded applications engineer is concerned (that's me!), linux is often a very easy environment to put things like webservers on, and there are several ports of the kernel that deliver real-time responsiveness. Custom hardware is easy to integrate into the kernel, and source being available helps hunt down problems.

As far as it being $$$ free, it doesn't cost that much less than anything else. $1000 is about the cost of one engineer working one day. uC/OS-ii (a cheap OS for micros, free for non-commercial use) costs $2500 for one application (that means no royalties per product). Its the facilities and the active developer community that makes linux valuable, not the lack of a licensing price tag.

Re:What's the point of a free operating system?

[Anonymous Coward]

These are exactly my reasons for using Linux. I had to get into
2.4.14 kernel - to modify access to Intel Flash (added "unprotect block" before writing;
boa web server - as the camera does not have the battery powered clock it is always January, 1970 (I did not have patience to run it longer w/o powering down), so I had to make it unconditionally return the image file requested;
and, of course, add my drivers. As I wrote in the article, reality (easiness of the tasks mentioned) far exceeded my expectations (as I had absolute zero experience with Linux when started the project)

Re:What's the point of a free operating system?

[Anonymous Coward]

What' s wrong - again I got called "Anonymous Coward" w/o prior notice! So I repeat with my own name:
These are exactly my reasons for using Linux. I had to get into
2.4.14 kernel - to modify access to Intel Flash (added "unprotect block" before writing);
boa web server - as the camera does not have the battery powered clock it is always January, 1970 (I did not have patience to run it longer w/o powering down), so I had to make it unconditionally return the image file requested;
and, of course, add my drivers. As I wrote in the article, reality (easiness of the tasks mentioned) far exceeded my expectations (as I had absolute zero experience with Linux when started the project)

slashdot expos�

[Mode0x13]

Slashdot: News for Nerds? Or Propaganda for the Impressionable?

Day in and day out, Slashdot sings the praises of "open source" software. New readers of the site must be a little puzzled to find items like "GPL Violation discovered" and "Open Source Guru Speaks" listed on the main page alongside the "straight" science and technology news. Unfortunately, few people really know what Open Source stands for. Perhaps Richard Means Stallman, one of the founders of the movement, can elucidate.

"[The GNU goal was] to be able to use a computer without using any proprietary software," declaims RMS. "Because that way, you can lead a better life." Of course, the only way to get rid of proprietary software is to destroy the software companies that produce it. One way this is accomplished is by putting software that would normally be public domain under a license RMS himself created, called the "General Public License," or "GPL." Simply put, this license allows code to be reused-- unless the final product is distributed without its source code, as a proprietary product must be.

Software is a commodity, and people will often take the cheapest product, even if they have to spend inordinate amounts of time struggling with poor documentation and clumsy user interfaces. "One of the best things I could do with my life is: find a gigantic pile of proprietary software that was a trade secret, and start handing out copies on a street corner so it wouldn't be a trade secret any more," enthuses RMS. "Perhaps that would be a much more efficient way for me to give people new free software than actually writing it myself."

It's time to stop the doubletalk and start thinking about the real meaning of intellectual property. By some measures, intellectual property is the main export of the developed countries of the world. Artists, actors, and musicians make a living off the intellectual property they produce. Programmers and engineers create designs to be sold. And journalists and writers depend on intellectual property. Ironically, the only jobs not deeply tied to intellectual property are the jobs many slashdot readers affect to despise, like service workers, menial laborers, and administrators. If slashdot readers can't stomach Scott McNealy, maybe they would prefer to work with Ronald McDonald. From the other side of the fast food counter.

Not everyone enjoys working at a menial job in the day, simply in order to slave away at poorly organized programming projects. Not everyone enjoys being told that he has the "freedom" to work, without pay, for a small clique of free software partisans. It is one thing to oppose microsoft's monopoly on the desktop, and the RIAA's slow strangulation of fair use rights. It is quite another to embrace a whole economic and political ideology that centers around the exploitation of childlike programming savants.

This message is not a troll, although many slashdot readers may take it as such. It is simply a warning to users to think carefully before they blindly follow the political lead of Rob Malda, Jon Katz, and the like. I encourage readers to repost the text of this message, and others like it, to the supposedly "free" message boards of slashdot and other sites.

Peace out, and God bless.

Jon's life

[Anonymous Coward]

Please stop posting your childhood memories, Jon.

Write an article or something instead.

Proud owner

[ciryon]

I have one of Axis' earlier network cameras and it's truly great. Really cool to be able to telnet into your camera and login to fix things. It also gets it's own IP.

I wish Axis a warm good luck with this new high speed camera!

Ciryon

Re:Proud owner

[dudemaster]

Me too, Axis definately has it's act together. I see security applications with these.

Only problem w/ the Axis is I've seen it lock up at times going through my Apache rewriter (maybe needs a config tweak) or via my SMC NAT when accessed from outside the LAN. Maybe a slow connection on the other end, but I don't think that's it. I should really do a firmware upgrade on it :O

Other than that, it works fine - I wish them luck too and hope to see more stuff on the market with embedded Linux. There's some jockying going on - i.e. J2ME, Tini, etc. but there's plenty of space in this area. You should be able to flash a new release of Linux into your HDTV, security or phone system to get more functionality out of it, and you should be able to telnet into it to fix things :-)

all together now...

[saviorsloth]

imagine a Beowulf cluster of these! :P

Watch out for that MCP

[The G]

...combines a fast gated micro-channel plate (MCP)...

And if it gets out of hand, only Tron can save us!
--G

Re:Watch out for that MCP

[Anonymous Coward]

...or Micro$oft will sue them for copyright infringement... MCP = Microsloth Certified(able) Professional

Embedded Linux in my Buick

[selectspec]

What happens when the home directory and NIS server goes down and I'm doing 85mph on the highway? ;)

Meteor shower cam ...

[freaker_TuC]

... I can see those ad's coming up already ... "hidden meteor shower cam!"... double as good, double snappy!

Am IP banned or am I not?

[Anonymous Coward]

FIRSTUS&nbsp POSTUS,&nbsp BEEOTCHAE!!!!

I r0x0r, you 5ux0r!

[Anonymous Coward]

FIRSTUS&nbsp POSTUS,&nbsp BEEEOTCHAE!!!!
I r #1! All others r #2 or lower!




pleeeeease?!!!!

CYIaBCX SUYA?!!!

[Anonymous Coward]

Can you imagine...

a Beowulf cluster of Ben Franklin's goats SHOVED&nbsp UP&nbsp YOUR&nbsp ASS?!!!&nbsp


I can, and the image gives me great satisfaction. You are quite annoying and not at all humorous.

Re:CYIaBCX SUYA?!!!

[Anonymous Coward]

I imagine it would be something like this.

Cool. See through haze, silt

[AJWM]

Neat. In addition to the obvious high-speed photography applications, a system like this coupled with a similarly short duration flash system could make a vision system capable of seeing through some kinds of particle clouds. Might be more applicable underwater, where the particles are bigger.

Basically, the problem in low-visibility situations like that is that the particles near you scatter so much of your light back at you that you can't see the stuff further away. If you send out a 10 ns pulse of light and don't open the shutter until it has had time to go out some distance (say 100 ns for 100 feet, divided by whatever the refractive index of water is), then you only see the light that has bounced off whatever is 100 feet away (well, mod multiple reflections from silt particles).

Won't work in really thick clouds, of course, but it has possibilities. (Consider, for example, driving in a snowstorm at night -- you don't need or want the snow immediately in front of the headlights lit up.)

Future home oops

[WyldOne]

What was the IP of the door web cam again? ticka,ticka,ticka... Oh there is is. Hmm.. Ok, I know him. Oh CRAP.. now what was the *&^&#$^$ IP address of the door lock?

Network Cameras in general

[UncleRoger]

There are actually quite a few network cameras available if you don't need a high-speed camera. Most have a built-in webserver, and several run a version of embedded linux. My personal favorite (and Ed's) is the Panasonic KX-HCM10 which can be had for as low as $329.99. The Axis and Samsung cameras are pretty cool too, if you can afford them.

Other cameras include the StarDot NetCam, which is also available from ThinkGeek (along with the Axis 2100 and 2120 cameras) and the IQeye cameras.

The real advantage to these is that you can simply plug them into your network and watch [whatever] through your web browser. My interest stems from my upcoming need to be able to work and keep an eye on a baby sleeping at the same time. There are, of course, baby monitors that come with little TV's or that plug into your television, and the annoying X10 cameras, but they all require a separate monitor and need extra gear to be viewed in more than one location. With a network camera, not only can we watch the kid from any computer in the house, but relatives can watch too, over the internet. And all I need to do to set it up is plug it in and set the IP address.

Porn drives technological innovation...

[Anonymous Coward]

...Why else do you think the following came into existance:

- boradband connection (the clue is the name)
- 3ccd cameras with "anti-shake" image stablization

...and now we can add high-speed digital cameras to that list... perfect for catching those hard to get jiz, facial and snowballing shots.