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User: JamesP

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  1. O... M... G... on Return of the Vacuum Tube · · Score: 3, Interesting

    The article is painful in some aspects

    Electrons move more slowly in a solid than in a vacuum, which means transistors are generally slower than vacuum tubes; as a result, computing isn't as quick as it could be.

    I'm flabbergasted.

    Meyyappan, who co-developed the "nano vacuum tube," says it is created by etching a tiny cavity in phosphorous-doped silicon. The cavity is bordered by three electrodes: a source, a gate, and a drain. The source and drain are separated by just 150 nanometers, while the gate sits on top. Electrons are emitted from the source thanks to a voltage applied across it and the drain, while the gate controls the electron flow across the cavity

    This is really a vacuum tube if you add a high dose of immagination. Really

    The separation of the source and drain is so small that the electrons stand very little chance of colliding with atoms in the air

    Makes me wonder if tunneling plays a part here

  2. Re:Ok, really? on RunCore Introduces Self-Destructable SSD · · Score: 1

    Makes sense if you want to reuse the disk and don't want to use a computer to rewrite it.

    I think the overcurrent is not just "to the chip" but may be exactly tied to the erasing process, so you just "fry" (over erase) the memory cells

    And that's exactly the point, if you're in a critical situation (like at gunpoint) you don't want to waste time with "overwriting" but should just go to the overcurrent method.

  3. Ok, really? on RunCore Introduces Self-Destructable SSD · · Score: 1

    "First method goes through the disk, overwriting all data with garbage"

    That's the WORSE possible way to "self destruct"

    Do you know why in flash memory they have to work differently then on a spinning disk?

    Erasing blocks takes a lot of time. Exactly because it's erasing a whole block!

    Erasing and then overriding seems pointless (even though theoretically you could dissolve the chip in acid and then measure the charges there to see if you can recover traces of data)

    The second way seems much more promising.

    And by the way, "InVincible"?! Really? It should be the opposite of that!

  4. Re:"Personal Reasons?" on Resumegate Continues At Yahoo: Thompson Out As CEO, Levinsohn In · · Score: 3, Funny

    "Personal reasons" could be anything

    I'd like to imagine something like: He's not being too fond of YHOO redecorating his office with smoked cod.

  5. Re:No more Unity 2D? on Google Talks About Its Ubuntu Experience · · Score: 1

    Do you know what makes sense?

    Not wasting time doing graphical gimmicks for a window manager (which will be buggy and slow anyway)

    "to help the perhaps 1-2% of your userbase"

    I think the number is higher, still, why should I upgrade my machine to run the latest versions?

  6. Re:I hope they ban his ass on Facebook Co-Founder Saverin Gives Up U.S. Citizenship Before IPO · · Score: 1

    " wouldn't he also need to pay Brazillian taxes based upon his citizenship as well?"

    No

    As others have said, the US taxes income earned while you live elsewhere (that is, you live,work and get payed in another country, USA taxes that)

    Brazil (and most countries) don't

  7. Re:Again? on Exposure to Wide Variety of Microbes May Reduce Allergies · · Score: 2

    Yes, because the only observations that are true is what comes from a lab, right?

    Vaccines come from the exact kind of observation the parent mentions, sure it was tested.
    But of course, modern "web scientists" only consider "research" that comes from lab financed companies

    But if you want to test it, sure, go ahead, because obviously you know better than several years of immune system research

     

  8. Translation on Mistreated Foxconn Brazil Workers Threaten Strike · · Score: -1, Flamebait

    Someone is wanting more bribes

    Actual work conditions are irrelevant, as long as union leadership is compensated accordingly

  9. Re:The bigger problem on Solar Cells That Emit Light Break Efficiency Record · · Score: 1

    Well, cost of the support system is something that ends up getting cheaper with scale and technology improvements

    And maybe you don't need a battery, or need only a small one.

    The key here is efficiency, or better summed up by "bang for the buck".

    Energy during the night is cheap, so it makes sense to use from the grid.

  10. Re:The new get rich scheme! on Quantum Experiment Shows Effect Before Cause · · Score: 1

    No, no!

    For a grant to be approved it has to have the "magic words of the day"

    So it would probably be like

    1. Cloud computing
    2. Collide photons
    3. ???
    4. Profit!

  11. Re:WWSD? on Ellison Doesn't Know If Java Is Free · · Score: 1

    That's assuming he could shower and be properly dressed for the occasion

  12. Re:What's up with the title? on Whistleblower In Limbo After Reporting H-1B Visa Fraud At Infosys · · Score: 1

    You're absolutely 100% right about the CBP interview!

    I'm not sure about the "cannot produce any work while on US", but I guess since they don't want to take any chances they took this stance. Especially if this is traceable to you while in the US like source code.

  13. Re:What's up with the title? on Whistleblower In Limbo After Reporting H-1B Visa Fraud At Infosys · · Score: 1

    Well, IANAL but

    B-1 allows you to "work" in the USA, that's not the issue. If you're representing a foreign company in a business meeting, that's work, for example.

    What you cannot absolutely do is get payed/compensated by a company in the US.

    There's an extensive list of what's allowed by a B-1 visa, still It's a complicated issue

    And of course, a B-1 allows you to stay up to 3 months (IIRC) in the US for a maximum of 6 months per year.

  14. Re:At least it should be easy to do on Mandatory Brake-Override Proposed For All Cars · · Score: 1

    If tapping the brake overrides the accelerator, that means that in the future you'll have to pay a tow truck to get your oxygen sensor replaced. A rather pricey add-on to what is already an over-priced part.

    Well, I never had to pay for a tow truck... Call insurance and they get a tow-truck to get your car wherever it needs.

    But of course, this is irrelevant, you don't need to override all of the accelerator when the brake is hit.

    Oh and you don't need a tow-truck if your accelerator cable breaks.

  15. Re:This case suddenly became a lot more important on Oracle and Google Spar Over Whether Programming Languages Can Be Copyrighted · · Score: 4, Interesting

    Yes

    I sincerely think Google should quietly buy the copyright to C/C++ before this

    Then let Oracle go ahead with this.

    As soon as Oracle gets copyright protection on languages google does 2 things:

    1 - (motion to) Block the sale/usage of anything Java since Java comes from C/C++
    2 - (motion to) Block the use of anything written in C/C++: Oracle products, JVM, etc, etc

    Losing Android at this point is merely an annoyance.

    Congratulation Oracle, if that's what you want, that's what you get.

  16. Re:What? on Ask Slashdot: At What Point Has a Kickstarter Project Failed? · · Score: 3, Insightful

    Those Kickstarter projects that are basically "We'd like to make an indie game that does X" really annoy me. You do? Bugger off and do it then!

    THIS. SO MUCH THIS

    A lot of people think kickstarter is a "poor me, I have his idea but no one will finance me to do it." Or even " Look, I've already drawn the iPhone icon for this app "

    Well, guess what, you're making yourself look like an 'e-homeless' person.

    There are a lot of worthy projects on kickstarter, but they usually are:

    1 - more specific
    2 - the project leaders have already shown what they are capable of doing
    3 - the money is really an issue (materials, manufacturing, etc) and not like "you are paying me to do something I could do in my free time for free"

  17. Re:Unicode on Slashdot Coming Attractions · · Score: 2

    Well, Slashdot offers complete Unicode support!

      But it's limited to the U+0000 to U+007F range

  18. Let's hope on VISA, MasterCard Warn of 'Massive' Breach At Credit Card Processor · · Score: 4, Funny
  19. Re:Stopped reading at... on Ask Slashdot: How To Feed Africa? · · Score: 2

    Exactly

    Do you know what else has poor soil? The Amazon Forest http://rainforests.mongabay.com/0502.htm

  20. Re:ah, libertarians on The Fall of Data Haven Sealand · · Score: 1

    Well, no, they don't think that

    They usually think that the Government does a excellent job at it.

  21. Re:Mouse != Human on Drug Turns Immune System Against All Tumor Types · · Score: 1

    Well, you could test with 100 mouse, sure, but does it make sense?

    I guess it's better to 'get it out of the door' and go test it in other ways.

    There's a limited amount of testing you can do in mice and have a meaningful result.

     

  22. Re:Not Just A Kuwaiti Problem on Kazakh Gold Medalist Is Played Borat Anthem · · Score: 1

    Well, it's not like they can display the Japanese flag upside down

    or the old Lybian flag

  23. Re:Good news everyone! on Killing Cancer With Engineered Viruses · · Score: 1

    So, next step, to cure aids they will use a specially engineered cancer!

  24. Of course on Is It Time For the US Government To Back Fusion At NIF Over ITER? · · Score: -1, Flamebait

    The ITER people will whine , wah wah wah it's only 10 years away yada yada yada

    Because of course ITER 'is the only true and scientific way'

    OTOH it would be good for the DoE to put their weight behind other types of confinement and fusion generation (like Polywell, which IIRC is funded by the Navy)

  25. Re:The wet t-shirt effect? on Google Cools Data Center With Bathroom Water · · Score: 2

    Well it's quite simple

    1 - dress a wet t-shirt
    2 - go outside (preferably if you live in NYC on the month of January)
    3 - tah dah!

    Now, seriously, this effect can be more easily felt for example if you drop ethanol (pure or moderately diluted - most spirits will do) in your hand, and you feel it cool.

    Volatile substances (water is volatile but not as much as other substances) cool the substances they are in contact with when they evaporate (so what's cooled is usually the amount of liquid that hasn't evaporated yet and its substrate)