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  1. "incandescent"? or plasma arc? on BenQ's GP1 LED Projector — Small Package, Good Thing · · Score: 1

    He keeps talking about projectors at 1200 lumens using incandescent lamps - but I'm pretty sure he means "xenon plasma arc" lamps.

  2. Flaw in Solar system, or flaw in math? on Earth Could Collide With Other Planets · · Score: 1

    I don't doubt collision is possible; but I also consider that the discrete nature of the computation (for simulation of a naturally continuous system) has such a significant chance of error that to talk about these tiny chances being predicted by the computation is rediculous - I doubt the predictions are informative.

  3. origin on Pulsar Signals Could Provide Galactic GPS · · Score: 1

    I think origin (0,0,0) [(0,0,0,0,0)?] should be at the Sun upon the start date - since the earth orbits the Sun _and_ rotates, this could remove a couple curliques from the system - of course I know the sun orbits the galactic center and other things, I'm just saying it would simplify the system some when it comes to resolving positional issues to some fine resolution in the future.

    I agree X-ray sources are better than MHz sources.

  4. Re:I replaced it on (Stupid) Useful Emacs Tricks? · · Score: 1

    you waited 25 years? in 1982 my girlfriend wrote an editor for the freshman data structures class at our university. some folks used their editors from then on through school.

  5. Re:grep and emacs integration on (Stupid) Useful Emacs Tricks? · · Score: 1

    Nice! Just stuck it in my .emacs!

  6. If you're still reading, write it in Python! on Best Cross-Platform, GUI Editor/IDE For Python? · · Score: 1

    I couldn't resist, even though my karma will take a hit...

    Blast a weekend into a text area that highlights, then every day add a routine that integrates with the cross reference generator, and don't you have an editor with code browsing after a couple weeks?

    Since you are still reading comments after all of those good lists of projects where others have already done it, don't you want to do it yourself?

  7. here are the ways I know on What is Your Favorite Way to Make Coffee? · · Score: 1

    - boil coarse grind in a pot, shoot a little cold water at the end to settle the grounds (cowboy coffee)
    - boil coarse grind in a pot with chicory, egg, and eggshells. (you don't drink the egg nor the eggshells)
    - filter drip, either filter over cup, coffee maker, or whatever.
    - French press
    - percolator
    - Arabic coffee with touch of cardamom boiled in a middle eastern coffee pot
    - Turkish coffee boiled in middle eastern coffee pot
    - Greek coffee with a load of sugar boiled in middle eastern coffee pot
    - Vietnamese dripped through a Vietnamese dripper over a cup with condensed milk at the bottom (my god it is the best desert coffee)

    Those are the ones I have the equipment for and know how to do. The following might be the best in the world, but as yet I depend upon a local restaurant family for the practice:

    - Etheopian: green coffee beans, roasted by hand in a special skillet, brought out while still smoking so that the aroma can be enjoyed in order to stimulate anticipation, ground and boiled in a clay flask that is spherical on the bottom and has a very narrow neck, the neck of the flask stuffed with woody fibrous substance as a filter, then finally decanted into tiny cups. the flask is rested in a round loop of basketry.

  8. Arabic coffee, anyone? - YES!! on What is Your Favorite Way to Make Coffee? · · Score: 1

    I am a serious Arabic coffee drinker. Hurray to find another on Slashdot!!

    In my opinion there is no need to add sugar. The Cardamom is kind of a sweet taste. But perhaps a slight, slight touch of sugar may bring out the Cardamom a little more?

    I elaborate on my own method below:

    - Put 1 measuring cup of water in a middle-eastern coffee making pot. This can be like a tall narrow saucepan, but it is more frequently shaped like a cone with the wide part at the base and a long metal handle at the top openning. (In emergency or simply to try out Arabic coffee I would go ahead and use the smallest saucepan I have.)

    - Put in 1 level tablespoon of Arabic coffee that has the cardamom. Brands can be Najjar or Tazah or others. I prefer Tazah if you can get it. More or less to taste once you've tried it, but more loses the nuances of flavor quickly.

    - If Arabic brands cannot be found, make your own coffee by purchasing the best French roast your local roaster can recommend, have it ground to the finest Turkish setting possible. The coffee should truly, truly be a powder. When you measure out the tablespoon, add a crushed cardamom seed.

    - Bring to boil on stove. When the coffee begins to foam up, use the long handle to swing the pot away from the heat. When to foam goes down, swing it back. Repeat this until the coffee boils without foaming.

    - The cooking is done. Wait for about 1 to 2 minute with the pot covered for the grounds to settle. Decant into some kind of tiny cup: if not an Arabic coffee cup, then an espresso cup or classical demi-tasse will do. You should get about 3 to 4 of these little servings.

    As you sip, the serving of coffee is done once you start to get to the grounds. At that point fortune telling may be engaged in - I prefer to serve myself another.

  9. can still explode! on Navy Gets 8-Megajoule Rail Gun Working · · Score: 1

    Take a look at these two quotes from the article:

    Because the gun uses electricity and not gunpowder to fire projectiles, it's safer, eliminating the possibility of explosions on ships and vehicles equipped with it.

    The projectile fired yesterday weighed only 3.2 kilograms and had no warhead. Future railgun ordnance won't be large and heavy, either, but will deliver the punch of a Tomahawk cruise missile because of the immense speed of the projectile at impact.

    Now, wait a second. If the projectile delivers that much energy, then the railgun must be handling that much energy plus some. If somehow that railgun were to mishandle the energy, say if there were some kind of short or some component failure, then that Tomahawk cruise missle punch could happen at the railgun instead of at the target.

    I'd HARDLY say that is "...eliminating the possibility of explosions on ships..."!! I hope the Navy brass aren't buying that line!

  10. skin cancer / UV on Wal-Mart Is Pushing Compact Fluorescent Bulbs · · Score: 1

    Florescent lamps leak prodigious amounts of UV light through their phosphor coating (it's what stimulates the phosphor to glow) which can cause skin cancer. I never thought about it until my skin doctor recommended wearing sunscreen at work and explained it.

  11. RODENTS on How to Protect a Home When Away in Winter? · · Score: 1
    Why has no one mentioned animals? Even if all food is removed, which will lessen the call to ants, rodents for one love to live in the insulation of a home and will make Habitrail systems throughout the walls and nest in places like kitchen drawers. I don't have a solution, but believe me, I've had the problems!! I've simply gone on rampage after the fact, trapping (I release them if they live), killing (the infant's mothers desert them and the adorable things need to be smashed), and cleaning. I've had racoons move into the attic, and unfortunately they are frequently rabid in my area of NY.


    I tend to agree with the "keep it occupied" line of thought, but for only part of the year, if you are not in a ski town, I don't know. If for year-round, then get a management agency that at least can answer a phone and collect rent for you for less than $100/mo.


    Include pest control along with landscape maintenance as an ongoing attention required for the property.

  12. HYDRO = water on Crunching the Numbers on a Hydrogen Economy · · Score: 1
    To be off topic, and to deliver a hit to my reasonably good karma, I must point out that the poster has used the term "hydropower" inappropriately:

    Hydro = water; gen = precursor ("from which something comes"); hydrogen = precursor to water; hydropower = "water-power", not "hydrogen-power".

    And while I do recognize that common usage in chemistry vernacular of "hydro-" (for instance in "hydrocarbon") does in fact refer to hydrogen and not to water, I must also point out that common usage of "hydropower" certainly refers to power generated from water and not from hydrogen!! ;>

  13. byte-order independence on Advanced Data Structures? · · Score: 2, Interesting
    On a couple of them the programmer passed data around as char data and used offsets to get at the data in them.

    Although mentioned in a negative light,

    This technique is important when you have to move data between big-endian and little-endian processors. It lets you write portable I/O routines.

  14. you must try them out on Do Ergonomic Chairs Really Work? · · Score: 1

    i must say that if it were not for my ergonimic chair, i would be a debilitated programmer. probably making my living building brick walls, as the lifting & carrying of bricks and mortar are far more ergonimic activities in my experience.

    BUT - the chair MUST FIT YOUR OWN BACK, not some average ideal back. you must try them all out before you buy one. if you get one that doesn't do it for your unique body, then it's not really an ergonomic chair.

    also find out what's important for you. for me, i must have the seat tilt forward a bit, about 1 to 2 cm., while the back remains straight up. this eliminates the Herman Miller Aeron chair, which tilts both forward at once. USELESS!!

  15. still important on Is Microprocessor/Controller Design Dead? · · Score: 2, Interesting
    there is A LOT of embedded processor work out there. i work for a company that is constantly looking for programmers who are accustomed to working with embedded processors. i personally would be glad to hire a talented 2 year tech. cert. level person as a programmer on my systems.

    here's thoughts:

    1) companies advertise for 4 year engineers and higher, they simply don't see the need to advertise for 2 year certificate level applicants. you need to train your people in networking to get around that. also provide placement service.

    2) microcontroller work is good experience, and there is a lot out there, but my company works with SOAC - system on a chip - level embedded systems. these are complete, very high performance, large computer systems targeted to DSP applications, in my case video compression. it is far more sophisticated than a microcontroller system. yet the skills of working with software to controll interrupt controlled on chip I/O devices are the key.

    3) hardware design is handled by highly skilled designers who are working with GHz signals and very high density components. the need for 2 year level applicants is in software.

    4) it will be crucial for your 2 year level applicants to be well versed in the basic vocabulary of Computer Science (data structures and algorithms) and well experienced in embedded software. as far as I am concerned, experience designing hardware around a microcontroller is excellent way to increase software savy.

    all in all, I don't think the hardware experience is the sell, except insofar as it bolsters the software skills.

  16. Perens was misquoted on Bruce Perens on UserLinux and Ubuntu · · Score: 1
    i'd just like to point out, the large black lettered quote saying, "I don't feel Linux is the right fit for the enterprise," is a MISQUOTE.

    in the article he said:

    "I don't feel that Linux is the right fit for a profit-making enterprise."

    and the context is that it's hard to make money by distributing a Linux distro.

  17. not a slashdot worthy topic on CBS Coming to the Produce Aisle · · Score: 1
    how the, um, bejeepers did this story get posted?

    i'm sorry, but i can't see where this is any kind of interesting development in the tech world...

    is it really "news for nerds"..."stuff that matters"?

  18. barcode your bookshelves on Solving the Home Library Problem? · · Score: 1
    one idea i've had, not sure how meritorious, is to put barcode labels on the shelves. then when you stack a book you can scan the UPC and then scan the shelf, and the database knows where the book should be.


    when you restack a book, you can scan the UPC and then the database can tell you where it was stacked last, so you can put it back in the same place if you want to.

  19. Arabic coffee and Shawarma !! on Answers from 'Our Man in Jordan' · · Score: 1

    i'll take it right now!!

  20. BASIC first, then the world! on Is Visual Basic a Good Beginner's Language? · · Score: 1
    nobody's said it yet (i think.. i didn't see it anyways), so i've *got* to come out with this:

    BASIC is the best for beginners!

    problem with C is, beginners don't even know a computer does one step, then another. block structured syntax blows beginners away... they need to know about stepwise execution before all the Algol-ish syntax/symantic issues.

    10 PRINT "type your name"

    20 INPUT A$

    30 PRINT "hello, ", a$, "!"

    40 END

    BASIC for two - six weeks, then go to whatever you want, they'll be ready.

  21. Re:No Progress? on Microsoft vs. Computer Security · · Score: 4, Insightful

    i must agree: the very "constant stream of patches" is in fact great progress; to have that kind of rapid support, delivered by an automated update system that for me at least works seamlessly, is incredibly good!

  22. Re:hideous on FreeBSD Logo Contest Winner Announced · · Score: 1
    let's face it - this thing won the logo contest because it was the best thing submitted - in terms of the permutations, in terms of the goals of the FreeBSD group, et cetera.

    if something better - more workable - were submitted, it would've won...

    so we can't really know if we would make the same choice unless we could see the other submissions! damn, though...

  23. not cute on FreeBSD Logo Contest Winner Announced · · Score: 1

    i'll be the first (or roughly) to come right out and say i don't like it! it doesn't even look like a critter of any type - rather it is like a top or yoyo or some kind of made thing...

  24. Re:Data on vinyl done before on Software Distribution By Vinyl · · Score: 1

    yes, i remember getting one plastic flexible record in the late 1970's inside Interface Age magazine (never as popular nor as well known as Byte...). the software was i think a system tool like an 8080 assembler or something, but i didn't have a computer yet, so i didn't try it (plus i liked the 6800 despite the odd index register mode). it was recorded so that a regular 300 baud FSK telephone modem should've been able to demodulate it.

    (non-computer magazines used to frequently distribute music that way - remember?!)


    the magazines also tried various optical formats for software. the best, because you could easily build a scanner, was a simple format of vertical columns of large (1/16" x 1/4" or so) tick marks, one col. for clock, one col. for bits. the best reader was a large fruit juice can on a record player - you make a wand with a photodiode and wrap the page around the can.

  25. bad typesetting! on Introducing The Heron Programming Language · · Score: 1
    This is for the producers of the magazine:

    In English you are NOT allowed to stick a hyphen wherever you want to in a word! When you want to split a word between the end of one line and the beginning of the next, you must only do it between syllables! Any worthwhile English dictionary shows where the syllables split in the words.

    If you print the article as it is typeset in the preview, not only will it be hard to read, but you're gonna look pretty mediocre.