I have one such router(HW revision 1.0, firmware 2.02.7) so I gave it a guick check (again... I tested it when I bought it) and I can't get the remote administration page on the WAN. Currently, I only forward port 22 and I disabled the DMZ.
Re:Over-wired? and tooo far ahead of the curve
on
Fiber To The Dorm Room
·
· Score: 4, Insightful
Is there any real reason to put fiber all the way to the dorm room? The main advantage of fiber over copper is that it can run MUCH longer distances, but it is more expensive and difficult to work with. Why not just run the fiber b/w buildings and then put copper gigabit switches in the buildings so students can use commodity gigabit ethernet adapters? My guess is that they were so far ahead of the curve(CWRU has always been overwired) that they started the upgrade to all fiber before copper gigabit was a viable option and are now stuck with all the extra fiber going to the dorm rooms, causing the students to have to make extra purchases to interface with the less common fiber .
Did a litle research at antennaweb.org and the actuall list of what 'should' be unused in my area is a bit shorter: 6,10,12,17-19,23,25,28,30-31,35,37,42,44 ,47,51
I wasn't including HD channels before, and there were a few I had forgotten about, I have been using only cable for many years now.
Thats still 17 unused channels, and I live right between two major cities (DC and Baltimore).
I agree that this plan sounds fraught with dificulties, but I believe that the FCC plan does not involve 'guard bands' instead it deals with unused channels, ie in my area (not exactly rural) there are plenty of unused channels b/w 5 and 51, (6,8,10,12,15-19,21-23,25,27-31,33-35,37-39,41-44, 46-49,51), and I'm being generous about which channels can be recieved.
Coordinating this could be very tricky. I would be curious what exactly they are doing to prevent such situations as (i forget the technical term for it 'hidden reciever' I think) this:
NOTE: The numbers are probably unrealistic, but I am just trying to make a point.
For the sake of arguemnt lets say we have a tv station with an effective range of 20 miles, and a WiFi operator with an effective range of 10 miles. The two antenaes are 25 miles apart. So the WiFi listens, but can't hear the TV station so it uses the frequency and everyone in the overlapping area gets interference.
I had a little ascii art illustration here, but I couldn't get it past the junk filter
From a Truth In Advertising (ha!) standpoint, it certainly stinks.
But the key line in the article is that federal law prohibits using anything other than the EPA estmates for advertising fuel efficiancy. So while it may stink, the 'guberment' is more to blame than Honda.
NOTE: IANACG (i am not a car guy)
The article suggests that the tests are not necisarily accurate b/c they use emisions to estimate the amount of fuel used. And that the tests were designed to be simple to replicate.
Why wouldn't it be simpler to just fill the tank, run the car, and then see how much fuel it takes to refill the tank?!? Is there some reason this wouldn't be a reliable test?
While I agree that the story itself was sensationalized, this research does have some value. It could be a stepping off point for developing new protocols for dealing with immunosupressed indivuduals. eg should someone that falls into the susceptible category take extra precautions when bathing, and if so what should those precautions be?
Did you read the next paragraph?
Their paper has been accepted for publication in an upcoming issue of Applied and Environmental Microbiology. Their research was funded by a grant from the National Institutes of Health, the medical research arm of the federal government.
So while Lysol may have helped out some, at least some of the money came from a respectable source. Although, I hope this study didn't cost all that much to do.
Assuming it is exactly 17inch diagonal, then it is 431.8mm diagonal dot pitch is usually defined as the digonal distance between pixels so the monitor has sqrt(1280*1280+1024*1024) ~= 1639.2 pixels along the diagonal 431.8/1639.2 ~= 0.2634mm
Back in the early days of spy satelites this was common practice. After a spy sat finished a roll of film it would be ejected and caught somewhere over the Pacific by a Navy pilot. IIRC they used planes and not chopers.
lets see, 16 bytes / string at 300hz gives us 16*300*60*60*24 = 414720000 bytes/day or about 400megs / day If instead you use a simple binary representation with 6bytes/record we get 6*300*60*60*24 = 155520000 byets/day or about 150megs / day I bet the data would compress really well, but if a pda would have enough horspower to log and compress is an open question, I would guess yes.
ps
If you want to play with bits and save 2 more bits per record then we get: 5.75*300*60*60*24 = 149040000 bytes/day
RAID array of these things. I'm being serious, really.
Just think in a normal 3.5inch drive case you could probably fit at least 30 of these drives (lets say 1.5inch x 1 inch for each drive with two 3x5 layers, should leave plenty of room for electronics). Given the tiny size of each drive the seek times are probably phenominal) and even if each one wasn't all that fast or even reliable they could be combined to make an incrediably fast drive (using RAID5 or similar internally) with amazing seek times. BUT it might cost an arm and a leg, unless mass manufacturing could bring prices WAY down.
Slashdot Mirror
I have one such router(HW revision 1.0, firmware 2.02.7) so I gave it a guick check (again ... I tested it when I bought it) and I can't get the remote administration page on the WAN. Currently, I only forward port 22 and I disabled the DMZ.
Is there any real reason to put fiber all the way to the dorm room? The main advantage of fiber over copper is that it can run MUCH longer distances, but it is more expensive and difficult to work with. Why not just run the fiber b/w buildings and then put copper gigabit switches in the buildings so students can use commodity gigabit ethernet adapters? My guess is that they were so far ahead of the curve(CWRU has always been overwired) that they started the upgrade to all fiber before copper gigabit was a viable option and are now stuck with all the extra fiber going to the dorm rooms, causing the students to have to make extra purchases to interface with the less common fiber .
Did a litle research at antennaweb.org and the actuall list of what 'should' be unused in my area is a bit shorter:4 ,47,51
6,10,12,17-19,23,25,28,30-31,35,37,42,4
I wasn't including HD channels before, and there were a few I had forgotten about, I have been using only cable for many years now.
Thats still 17 unused channels, and I live right between two major cities (DC and Baltimore).
NOTE: IANAEE (I am not an EE)
, 46-49,51), and I'm being generous about which channels can be recieved.
I agree that this plan sounds fraught with dificulties, but I believe that the FCC plan does not involve 'guard bands' instead it deals with unused channels, ie in my area (not exactly rural) there are plenty of unused channels b/w 5 and 51, (6,8,10,12,15-19,21-23,25,27-31,33-35,37-39,41-44
Coordinating this could be very tricky. I would be curious what exactly they are doing to prevent such situations as (i forget the technical term for it 'hidden reciever' I think) this:
NOTE: The numbers are probably unrealistic, but I am just trying to make a point.
For the sake of arguemnt lets say we have a tv station with an effective range of 20 miles, and a WiFi operator with an effective range of 10 miles. The two antenaes are 25 miles apart. So the WiFi listens, but can't hear the TV station so it uses the frequency and everyone in the overlapping area gets interference.
I had a little ascii art illustration here, but I couldn't get it past the junk filter
Whatever the way is that they 'drive' the car in the current tests.
But the key line in the article is that federal law prohibits using anything other than the EPA estmates for advertising fuel efficiancy. So while it may stink, the 'guberment' is more to blame than Honda.
NOTE: IANACG (i am not a car guy)
The article suggests that the tests are not necisarily accurate b/c they use emisions to estimate the amount of fuel used. And that the tests were designed to be simple to replicate.
Why wouldn't it be simpler to just fill the tank, run the car, and then see how much fuel it takes to refill the tank?!? Is there some reason this wouldn't be a reliable test?
Are you going to Reticulate your Splines?
Did you read the next paragraph?
So while Lysol may have helped out some, at least some of the money came from a respectable source. Although, I hope this study didn't cost all that much to do.
And on the other hand .294*1639.2 ~= 481.9mm which is 18.97 inches, I think the reviewer juggled some numbers on accident.
Assuming it is exactly 17inch diagonal, then it is 431.8mm diagonal
dot pitch is usually defined as the digonal distance between pixels so the monitor has sqrt(1280*1280+1024*1024) ~= 1639.2 pixels along the diagonal
431.8/1639.2 ~= 0.2634mm
Back in the early days of spy satelites this was common practice. After a spy sat finished a roll of film it would be ejected and caught somewhere over the Pacific by a Navy pilot. IIRC they used planes and not chopers.
Talk about screwing up simple math .... ugh i'm stupid today!
its 14 bytes / string (including newline)
so the first number should be 362880000 bytes / day
lets see, 16 bytes / string at 300hz gives us
16*300*60*60*24 = 414720000 bytes/day or about 400megs / day
If instead you use a simple binary representation with 6bytes/record we get
6*300*60*60*24 = 155520000 byets/day or about 150megs / day
I bet the data would compress really well, but if a pda would have enough horspower to log and compress is an open question, I would guess yes.
ps
If you want to play with bits and save 2 more bits per record then we get:
5.75*300*60*60*24 = 149040000 bytes/day
Jon Blake Cusack 2.0
Not exactly what you mentioned, but its the closest I could find.
It Starts With B
Someone actually tried to come up with story to go with frogger. And by "tried" I mean "failed miserably"
Hmmm, if they can get breast tissue to work why not brain tissue?
Im pretty sure this has been on slashdot several times but I could only find one other:
0 23 4
http://slashdot.org/article.pl?sid=01/02/21/194
A quick calculation shows that 3324 square degrees is almost exactly 1 sr ... hmm coincidence?
RAID array of these things. I'm being serious, really.
Just think in a normal 3.5inch drive case you could probably fit at least 30 of these drives (lets say 1.5inch x 1 inch for each drive with two 3x5 layers, should leave plenty of room for electronics). Given the tiny size of each drive the seek times are probably phenominal) and even if each one wasn't all that fast or even reliable they could be combined to make an incrediably fast drive (using RAID5 or similar internally) with amazing seek times. BUT it might cost an arm and a leg, unless mass manufacturing could bring prices WAY down.
Please at least cite your sources:
http://hardocp.com
Although he said $250,000
Many CPUs have a split cache design (usually just for L1). One cache would be for instructions (command?) and the other for data.
I couldn't think of a more appropriate name for a "Lecturer in Media and Cultural Studies"
Time to build a water cooling system ....
n dex31.aspc om/search?q=diy+water+cooling
Heater Core
Pump
Tubing
You will need to go elsewhere for the waterblocks unfortunately...
Need help getting started?
http://www.overclockers.com/topiclist/i
http://hardocp.com
http://www.google.