Slashdot Mirror


User: Ken_g6

Ken_g6's activity in the archive.

Stories
0
Comments
644
First seen
Last seen
Profile
(view on slashdot.org)

Comments · 644

  1. Too bad it's not ready... on Dutch Town Lays Air-Purifying Concrete · · Score: 1

    for the Beijing Olympics this year.

  2. Re:Or maybe not? on NASA's Mars News Is Not Life, But Perchlorate · · Score: 1

    Actually, perchlorate kind of makes sense. According to Wikipedia, perchlorate is a strong oxidizer; but "Most perchlorate compounds...are slow to react unless heated."

    This could mean it's too cold on Mars for all the iron to have oxidized - assuming the parent's article is correct and what attached to the magnets wasn't oxidized. But once Viking heated a soil sample, the perchlorate had enough energy to go to work. It's like diamond - heat it enough and it turns into graphite (pencil lead); but you'll never see diamond turn into graphite at room temperature.

  3. Not just any tree on Microsoft's Decade-old Patent On Tree-view Mode! · · Score: 4, Informative

    This patent isn't just about trees, or even file-system trees (which Microsoft made prior art for with the old Win3.1 File Manager). This is about file-system trees that also include things that aren't actually in the file system. It's about how things like Control Panel and My Network Places can appear in the same Windows Explorer tree with your C: drive.

    Hopefully, though, the whole thing is now moot.

  4. Re:Why does efficiency matter, except in summer? on Making Strides Toward Low-Cost LED Lighting · · Score: 1

    Is the light bulb that much less efficient at heating my house than an electric heater?

    That depends. Light bulbs are ~95% efficient as heaters. That's similar to electric resistance heaters. But it's much less efficient than a heat pump.

    As compared to simple heaters, heat pumps have efficiencies of 175-600% by getting heat from a place that maintains a constant temperature. (They pull heat out, but more heat migrates in to take its place, so that's essentially free heat.)

    Natural gas furnaces also tend to be more efficient - 80-97% efficient. That may not sound like much; but if the electricity to run your light bulb was made from natural gas, that process was only 60% efficient at best.

  5. Re: A little reactive? on Liquid Metal CPU Heatsink Beats Water Cooling · · Score: 1

    Sheesh. Some people have no appreciation for rustic wood-panel decor on a web site.

  6. Re:Well hungarian notation... on Best and Worst Coding Standards? · · Score: 1

    It helps if you have a standard for your prefixes.

    Sure, txtLogin is what you call a TextBox for a Login, but what do you call, say, a ComboBox for a server?

    cmbServer?
    cboServer?
    cbxServer?

    I've seen both of the first two in the same application once.

  7. Re: A little reactive? on Liquid Metal CPU Heatsink Beats Water Cooling · · Score: 2, Funny

    Could be worse. Could be cesium.

  8. Re: Streetcars on Pickens Plans On Wind Power · · Score: 1

    Streetcars don't need rails. Wires, yes (otherwise, it's a battery-powered electric bus). Rails, not necessarily.

  9. In fantasy: Oz on Sci-Fi Books For Pre-Teens? · · Score: 1

    If we're looking at fantasy books, the Oz series (starting with the Wizard of Oz) were the Harry Potter books of the early 20th century. I read many of them when I was young.

    Many were hard to come by at the time; but now all of them seem to be in Project Gutenberg

  10. Re:So wait.... on ICANN Board Approves Wide Expansion of TLDs · · Score: 1

    Well, there's already http://cola.com/ which is registered to Cola.com, Inc.

    If it hasn't been a problem so far, why should this be any different?

  11. Re:The end of ctrl+enter days? on ICANN Board Approves Wide Expansion of TLDs · · Score: 1

    Yeah, but what happens when you want Wikipedia? With YubNub in my Firefox search bar, I just type "wp [enter]" instead.

    Google Maps? "gmap"
    Google News? "gnews"
    Dictionary.com? "define"

    I just wish "gimg" got Google Image Search.

  12. iTunes on Bill Gates Chews Out Microsoft · · Score: 1

    iTunes. This one should play tunes.

    Yeah...but what's an iPod? A green vegetable? A body snatcher? Some kind of bed?

  13. I do know about a book... on Entertainment Weekly Bemoans Lack of Great Science Books · · Score: 1

    Carl Sagan's Cosmos has a companion book. I happen to have the nice big hardcover version.

  14. Re:Free energy on DIY Solar Resources? · · Score: 1

    Given that most of the things we have today are DC, wouldn't it make sense to develop a new electricity plug/standard?

    Or do we just go with the damn huge "cigarette lighter" connector?

    No need for a new standard. There appear to be several existing choices.

  15. Re:Free energy on DIY Solar Resources? · · Score: 3, Informative

    Since you're doing the lighting from scratch, and you want it exclusively powered by solar, I'd suggest looking at low-voltage DC lighting. DC bypasses the inverter, so it's more efficient for the same type of lighting. It's also probably less likely to kill you/burn down your shed if you make a mistake.

    Disclaimer: IANAE - I am not an electrician

  16. Doesn't work with FF3 on Mozilla Outage On Firefox 3 Record Launch Day · · Score: 1
    From a comment on its add-on page, emphasis mine:

    It appears the developers stopped supporting this in 2007. Among other things, this means it does not work with FF 3.0. http://code.google.com/p/foxtorrent/issues/list
  17. Re:Hmmm on Firefox Download Day To Start At 1 p.m. EST · · Score: 1

    I finally loaded a page offering FF3, so try again.

  18. Re:Cookies/Forms on Firefox Download Day To Start At 1 p.m. EST · · Score: 1

    delete your profile. If you're having cookies disappear, there's a problem with your profile. I ran into that problem when I went to 3.0b5 How's that going to let me keep the cookies I already have? Perhaps I should make a backup of the "%USERPROFILE%\Application Data\Mozilla\Firefox\Profiles" directory first. Then I can copy the cookies.txt and bookmarks.html over manually.
  19. Re:Your server was coded by a hamster on Visualizing Open Source Contributions · · Score: 2, Informative

    Well, that may be, but I found his real name anyway:

    Ken Coar (no relation to this Ken.)

  20. Re:Hide the evil code? on 2008 Underhanded C Contest Officially Open · · Score: 1

    I'm sure it would be nearly impossible to hide the evil code here, because anything that isn't a simple assignment loop is suspicious.
    Maybe stick in stuff in the image loader, image temporary copy code, and keep the blackener to the obvious implementation, then stick stuff in the saver. One thing I thought of was that you could edit the image in-place to prevent copies leaking data on whatever disk you're using. Furthermore, you could write the negative of the section you're blackening before blackening or randomizing it, ostensibly to make data recovery harder. That gives you an excuse to do slightly more complicated stuff - but I'm not sure how to use it. Anyone who thinks up a good excuse for bit shifts will probably win this thing.

    Actually, if they were using PPM-P3, in-place blackening would do it: 123->000; 23->00; 3->0! But they're using P6 instead, which leaves no room for extra space that way.
  21. This explains the 2000 election on The Red Team Wins · · Score: 1

    In particular, the results of the 2000 presidential election.

    Why can't Democratic states be "red states"?

  22. Re:Memory issues on Firefox 3 Release On Tuesday · · Score: 1

    I've been using the RC, and must say the memory issues that the Mozilla developers have tried to claim never existed, are almost nonexistent now. Is that because all the extensions that the Mozilla developers have tried to claim caused all memory issues are not compatible with FF3?
  23. Not rocket science? on Twitter Not Rocket Science, but Still a Work in Progress · · Score: 1
  24. Re:spec creep on Dell Shows Off Its Eee PC Rival · · Score: 2, Insightful

    $500 US is about 325 Euro, so it's not much over if at all. And if they stick with that USD figure, it's getting cheaper for you by the day!

  25. high-performance computing? on What Makes a Programming Language Successful? · · Score: 1

    Perhaps we have different definitions of "high-performance computing". Doing a fluid-dynamics simulation on a 100+ CPU cluster is high-performance computing. I took a class where they taught it it with C or Fortran and MPI (which has a really awful API, by the way).

    Perhaps you mean real-time computing? Java might be up to that in some cases.