Slashdot Mirror


User: jyak

jyak's activity in the archive.

Stories
0
Comments
53
First seen
Last seen
Profile
(view on slashdot.org)

Comments · 53

  1. Re:He just used more solar cells on 13-Year-Old Uses Fibonacci Sequence For Solar Power Breakthrough · · Score: 2

    I understand what was quoted, but it doesn't match what I see. Also, 10 PV cells at 0.5V will have a max voltage of 5V. So how did the tree output 5.25 Volts? Certainly, he had to have more cells on the tree.

  2. Concept Design Competition on Shiny New Space Fence To Monitor Orbiting Junk · · Score: 1

    This article didn't seem to mention the fact that other companies also received the same amount for concept development.

    http://www.boston.com/business/articles/2009/07/15/raytheon_gets_space_fence_contract/
    http://www.lockheedmartin.com/news/press_releases/2009/063009_LM_AirForce_SpaceFence.html

    Actually, after searching google news, no article paints the complete picture with awards going to all three competitors, Lockheed Martin, Northrop Grumman, and Raytheon.

  3. Re:Whoa. on **No Title** · · Score: 1

    Yes, that's the sad part. This has been a bad April 1st.

  4. Re:Tool use? on Robotic Arm Controlled By Monkey Thoughts · · Score: 1

    This topic was on PBS Innovation, Episode Human Body Shop. It original aired in 2004 and was then repeated last month. From the website, here is the description:

    Thought Into Action
    To many researchers, the most exciting application of a mind-machine interface would involve tapping the brain for signals that trigger responses outside the body. The field of brain-machine interface (BMI) systems, as they are sometimes called, proposes to make it possible for thought to equal action.

    In humans, rudimentary BMI systems have relied on monitoring a person's brain activity via electroencephalograph (EEG). Electrodes placed on the scalp read and amplify the activity before transmitting it to a computer. By thinking different types of thoughts, patients learn to exert control over a cursor on a video screen. In most cases, this simply moves the cursor in one of two directions. However, this binary code can communicate important thoughts. After the most obvious answers of "yes" or "no," a system can be set up to allow a person to slowly choose letters and thus spell words and make sentences. This research is still in its infancy, but its successful application could allow even those people who are completely paralyzed (a condition known as "locked in") to communicate with the outside world.

    Aspirations for BMI, however, go far beyond communicating thoughts and wishes. The Holy Grail is finding ways for the brain to command the movement of other objects such as artificial limbs. In the mid-1990s, researchers at Duke University clarified how the brain sends out signals directing muscles to move. Miguel Nicolelis, one of the Duke researchers who made the discovery, has already proven that harnessing these signals can link thought and action.

    Nicolelis and his colleagues monitored the brain activity of a monkey as it manipulated a joystick. The brain signals were picked up by hundreds of electrodes buried in the animal's scalp and connected to a cap on its head. Many repetitions of movement generated enough data for the researchers to recreate a "language" and thus enable the monkey to communicate with and control a robotic arm through its brain's neural signals. The animal was even able to control an artificial arm over the Internet 600 miles away. Further research at Duke and other institutions is exploring ways to allow the brain to achieve more delicate control of artificial limbs and also receive sensory feedback simultaneously about what the limbs are touching. Ultimately, when these motor and sensory systems are combined, someone commanding an artificial arm to pick up a glass of water would be able to "feel" where the glass was and control how hard to squeeze it.

    In 2003, the BMI field received a tremendous boost from the U.S. military -- more specifically the Defense Advanced Research Projects Agency (DARPA), which manages research for the Department of Defense and specializes in funding explorations of high-risk, high-payoff technologies. In 2003, DARPA invested $24 million in BMI programs, split among six different laboratories, including the one at Duke.

    A major challenge for BMI research is improving upon the weak, blurry signals provided by EEGs. One nascent technology that might solve this problem is a new kind of brain imaging known as magnetoencephalography (MEG), which measures the magnetic fields created by nerve cells as they produce the small electrical currents used for neurotransmission. MEG provides much better scanning speed and resolution and does not require physical contact to record signals. Current MEG scanners are massive and so sensitive they must be surrounded by shielded walls to prevent readings from being compromised by laboratory machinery or even nearby traffic. But DARPA is funding research into shrinking the scanners' size, with the ultimate goal being a device small enough to fit inside a helmet.

  5. Interesting Conclusion on Inspecting MSN Search · · Score: 1

    Setting up to two pages, one on a MS host and the other on a Linux host, I noticed that google will only find the linux webpage and the MSN search only finds the MS hosted webpage (created in MS publisher). To me, the results in the MSN search seem to provide results for servers/hosts using MS products. I wonder what the real truth is behind all this...

  6. Mozilla vs. Firefox on Planning For Mozilla 2.0 · · Score: 2, Insightful

    Truthfully, as small and quick as Firefox is, I still have to say that I like the Mozilla browser so much better. I love control of my browser, and clicking on the tools menu drop down and having direct access to all of the managers (cookies, popups, etc..) is the greatest options on could have as easy as they can give it to you. Firefox was a little tricky to get used too at first, and I particular dont like the button interface.

  7. Re:Pearl Harbor on What's the Worst Movie You've Ever Seen? · · Score: 1

    The first thing I did, when I looked at this thread was open FIND in Firefox and type in pearl harbor. I was so happy to see at least one person commenting on how horrible this movie actually was. Even though there are tons of bad movies, this is by far the worst "A" movie ever, and I can't see how it ever made money. It boggles my mind how a movie is rated 5.5/10 on IMDB.com and made close to $200 million.

  8. Re:So apache no invulnerable then... on FSF FTP Site Cracked, Looking for MD5 Sums · · Score: 1

    Actually....it doesn't. They have not said if the ftp software was vulernable or it is was actually hacked. They only said the ftp server was compromised. Someone unauthorized could have gained access to the server. Who knows....

  9. It all depends.... on What Kind Of Computer To Bring To College? · · Score: 1

    ..on what type of person you are. Laptops are good if you know they will be useful (I know I would play games in class if I had one). If you forget things easily, you better write down what you have to do or where you have to be. If you handwriting is chicken scratch, then don't use a small book calender and you better get a PDA. I would be lost if I didn't have one. I personally like the idea of a desktop in the dorm with a ftp server running so you can access any file you may need at any time. For all the questions you have asked, ask yourself, "What would suit me the best?"

  10. Re:More books to read - The Classics on A Good Summer Read? · · Score: 1

    These are all excellent books with some I would like to add:

    - Fahrenheit 451 by Ray Bradbury
    - 1984 by George Orwell
    - The Grapes of Wrath by John Steinbeck
    - Fight Club by Chuck Palahniuk
    - Left Hand of Darkness by Ursula K. Le Guin
    - Anything Written by Douglas Adams

  11. Because I am FORCED to use it. on What's Keeping You On Windows? · · Score: 1

    First, when I am giving a computer at work it has windows. Second, I am an engineering and there are very limited programs developed and supported on linux. This is why I am forced and stuck using windows by no choice of my own.

  12. Re:Lets power up. on GM's Billion-Dollar Fuel-Cell Bet · · Score: 1

    I am not going to belabor the point about a car using more electricity than a house, but I think the idea behind the car supplying its excess power to the house will help alleviate power grid issues. It will help reduce the load on the power grid at high demand times, which helps prevent brown outs and power shortages. This would be very helpful in areas like Los Angeles. I think this idea is a great help to the power industry. I am current working on a Fuel Cell Inverter that is meant to do the same. I hope more interest and ideas like this will help the struggling power industry.

  13. Too Many Spam Articles...reminds me of a skit on Beating the Spam Merchants · · Score: -1, Offtopic

    Mr. Bun: Morning.

    Waitress: Morning.

    Mr. Bun: Well, what you got?

    Waitress: Well, there's egg and bacon; egg, sausage and bacon; egg and spam; egg, bacon and spam; egg, bacon, sausage and spam; spam, bacon, sausage and spam; spam, egg, spam, spam, bacon and spam; spam, sausage, spam, spam, spam, bacon, spam, tomato and spam; spam, spam, spam, egg and spam; (Vikings start singing in background) spam, spam, spam, spam, spam, spam, baked beans, spam, spam, spam and spam.

    Vikings: Spam, spam, spam, spam, lovely spam, lovely spam.

    Waitress: (cont) or lobster thermador ecrovets with a bournaise sause, served in the purple salm Mr. Bunor with chalots and overshies, garnished with truffle pate, brandy, a fried egg on top and spam.

    Mrs. Bun: Have you got anything without spam?

    Waitress: Well, there's spam, egg, sausage and spam. That's not got much spam in it.

    Mrs. Bun: I don't want any spam!

    Mr. Bun: Why can't she have egg, bacon, spam and sausage?

    Mrs. Bun: That's got spam in it.

    Mr. Bun: It hasn't got as much spam in it as spam, egg, sausage and spam has it?

    Mrs. Bun: (over Vikings starting again) Could you do me egg, bacon, spam and sausage without the spam then?

    Waitress: Ech!

    Mrs. Bun: What do you mean ech! I don't like spam!

    Vikings: Lovely spam, wonderful spam....etc

    Waitress: Shut up! Shut up! Shut up! Bloody vikings. You can't have egg, bacon, spam and sausage without the spam.

    Mrs. Bun: I don't like spam!

    Mr. Bun: Shh dear, don't cause a fuss. I'll have your spam. I love it. I'm having spam, spam, spam, spam, spam, spam, spam, baked beans, spam, spam, spam and spam. (starts Vikings off again)

    Vikings: Lovely spam, wonderful spam...etc

    Waitress: Shut up! Baked beans are off.

    Mr. Bun: Well, can I have her spam instead of the baked beans?

    Waitress: You mean spam, spam, spam, spam, spam, spam, spam, spam, spam, spam, spam, and spam?

    Vikings: Lovely spam, wonderful spam...etc...spam, spam, spam! (in harmony)

  14. Re:Why is serial ATA faster? on Serial ATA Coming · · Score: 3, Interesting

    Parallel ATA cannot scale to support several more speed doublings, and is nearing its
    performance capacity. By contrast, Serial ATA's roadmap starts at 1.5 gigabits per second
    (equivalent to a data rate of 150 MB/s) and migrates to 3.0 gigabits per second (300 MB/s), then
    to 6.0 gigabits per second (600 MB/s). This roadmap supports up to 10 years of storage
    evolution, based on historical trends.

  15. Concerns... on First 802.11 Wireless Movie Theater? · · Score: 1

    I wonder if other theatres, that don't have table seating, will pick this up. I think it would be annoying to try and watch a movie with all the LCD screens glowing. Also, I wonder what the MPAA has to say about this since that with more gadgets allowed in the theatres, it will be easier to get copies on the internet.

  16. Re: except from Dilbert on No More Unrestricted Internet At Work · · Score: 1


    Boss: A good manager hires people who are smarter than he is.

    Eemployees: So... your boss is dumber than you?

    Employees: And your boss's boss is dumber yet?

    Employees: According to your theory, our CEO is the dumbest person in the company.

    Employees: Unless you are all bad managers.

    Employees: Truely we are doomed either way.

    Boss: This concludes the motivational part of the meeting.

  17. Windows Users on Fair Software Installation · · Score: 2, Informative

    Take control back of YOUR computer with all the proper utilities. Go to onlythebestfreeware.com tto get the best free utilities to rid your computer oof unwanted items.

  18. Re:come again? on FCC: Cable ISPs Need Not Give Competitors Access · · Score: 0

    We didn't elect Bush. I voted for Gore who did, by the way, win the popular vote. Only if the Govoner of Florida was related to Gore....

  19. What a shame... on When Good Ebay'ers Go Bad · · Score: 1


    Maybe they should start a internet manhunt.

  20. Congrats... on Kathleen Fent Read This Story · · Score: 1

    But I am mainly posting to see this story make it to the Hall Of Fame.

  21. This is a good thing... on Linus Merges ALSA Into 2.5.4 · · Score: 1

    As someone new to linux and knowing very little about programming this is good news to hear. When I did a linux install for multiple distros I keep having problems with my onboard sound (AC97). I couldn't hear anything. I heard about ALSA, downloaded the lastest version, installed the utilities. With the help of some documents and readmes, I edited some files and unmuted all the sound channels. It was fairly simple and in no time at all I was listening to my music again.

  22. Re:New King - Direct Connect on New File Sharing Networks · · Score: 1

    Direct Connect is okay. It is a little confusing for the average user but bascially it is a windows version of mIRC. The only down side of DC is that some poeple don't have 10+ Gigs shared in order to connect to hubs.

  23. Ghost It.... on Affordable Home Backups for 10-100G Systems? · · Score: 1

    What I do is you Ghost to image the hard drive (you can even compress the image) and then save it to another hard drive or even a bootable cd/dvd that can later restore your hard drive image.

  24. Helpful Links... on Building a Cheap Oscilloscope Using Your PC? · · Score: 4, Informative

    http://www.epanorama.net/links/oscillator.html
    - Information on Oscillator circuits

    http://www.dansworkshop.com/Homebuilt%20oscillos co pe.shtml
    - Website about a homebuilt 'scope

    http://members.tripod.com/michaelgellis/scope.ht ml
    - Scope diagrams and schematics

    http://www.picotech.com/oscilloscope.html
    - Company with PC based products

    Hope this helps...

    National Instruments has great instruments as PCI cards and you can make your own programs/software in Labview but this option is on the expensive side.

  25. Re:I say... on Gaming Companies Being Sued Over Columbine · · Score: 2

    Yes, I did read it. My point is that since every is so called 'sue happy', I might as well get some cash. I was not involved with the victims, so I wasn't involved with the lawsuit. But since everyone can sue anyone, hell let me in on the action...