2013-01-06, 13:56 | Link #1541 |
blinded by blood
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God the media reporting on the negative temperature experiment is so misleading...
It's not actually colder than absolute zero. It cannot be. We can't even cool anything to absolute zero, because it's a theoretical point like the speed of light--it's an asymptote and the value of energy required would approach infinity.
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2013-01-06, 14:12 | Link #1542 |
1.048596
Join Date: Jun 2012
Location: Location?
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The media also blew up about the FTL neutrino about a year ago as well. Whatever makes the readers happy, I suppose, or just bad editing and a lack of scientific knowledge. (I'm leaning towards the latter)
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2013-01-06, 15:26 | Link #1543 |
Gamilas Falls
Join Date: Feb 2008
Location: Republic of California
Age: 46
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Does it mean all those old Sci-fi script writers that had thing at temperatures "below" Zero K are now correct?
(No, but the fans now have something to handwave it away). And Cirno was right......?
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2013-01-06, 15:59 | Link #1545 |
Senior Member
Join Date: Jan 2008
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Secret US cybersecurity program to protect power grid confirmed:
"Newly released documents confirm that the National Security Agency (NSA), America's top cyberespionage organization, is spearheading a cloaked and controversial program to develop technology that could protect the US power grid from cyberattack. Existence of the program, dubbed Perfect Citizen, was revealed in a 2010 Wall Street Journal article. But intriguing new details are revealed in documents released by the NSA last month to the Electronic Privacy Information Center (EPIC), an Internet privacy group that petitioned for them in 2010 under the Freedom of Information Act." See: http://www.csmonitor.com/USA/2013/01...-entryNineItem |
2013-01-07, 13:44 | Link #1546 |
Senior Member
Join Date: Jan 2008
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The Kilogram Has Gained Weight:
"The kilogram may need to go on a diet. The international standard, a cylinder- shaped hunk of metal that defines the fundamental unit of mass, has gained tens of micrograms of mass from surface contamination, according to a new study. As a result, each country that has one of these standard masses has a slightly different definition of the kilogram, which could throw off science experiments that require very precise weight measurements or international trade in highly restricted items that are restricted by weight, such as radioactive materials." See: http://news.yahoo.com/kilogram-gaine...005533827.html |
2013-01-07, 13:46 | Link #1547 |
Senior Member
Join Date: Jan 2008
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Biofuels cause pollution, not as green as thought - study:
"Green schemes to fight climate change by producing more bio-fuels could actually worsen a little-known type of air pollution and cause almost 1,400 premature deaths a year in Europe by 2020, a study showed on Sunday. The report said trees grown to produce wood fuel - seen as a cleaner alternative to oil and coal - released a chemical into the air that, when mixed with other pollutants, could also reduce farmers' crop yields." See: http://news.yahoo.com/biofuels-cause...015806435.html |
2013-01-07, 20:00 | Link #1548 | |
NYAAAAHAAANNNNN~
Join Date: Nov 2007
Age: 35
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2013-01-07, 20:28 | Link #1549 |
books-eater youkai
Join Date: Dec 2007
Location: Betweem wisdom and insanity
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Study: Billions of Earth-size planets in Milky Way
http://hosted.ap.org/dynamic/stories...01-07-20-02-05 Earthsize, not earthlike.
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2013-01-07, 22:12 | Link #1550 | |
Unspecified
Scanlator
Join Date: May 2010
Location: Unspecified
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Giant squid filmed in world first
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2013-01-08, 09:16 | Link #1551 | |
Senior Member
Join Date: Sep 2008
Age: 38
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2013-01-08, 10:55 | Link #1555 |
Senior Member
Join Date: Mar 2012
Location: Where the Sky Touches the Sea
Age: 30
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NASA Eyes Plan to Drag Asteroid Near the Moon
"Capturing a near-Earth asteroid and dragging it into orbit around the moon could help humanity put boots on Mars someday, proponents of the idea say. NASA is considering a $2.6 billion asteroid-retrieval mission that could deliver a space rock to high lunar orbit by 2025 or so, New Scientist reported last week. The plan could help jump-start manned exploration of deep space, carving out a path to the Red Planet and perhaps even more far-flung destinations, its developers maintain. " http://news.yahoo.com/nasa-eyes-wild...133639284.html
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2013-01-08, 13:30 | Link #1556 |
廉頗
Join Date: Feb 2004
Location: Massachusetts
Age: 34
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I think it's because we are in the infancy of our ability to detect planets outside of our solar system, and up until this point we have only been able to find gas giants. With technology progressing, we can now begin to reliably detect the presence of rocky planets for the first time. Still, not too exciting to anyone but the scientific community involved in these measurements, as I'm sure the general public always assumed there'd be Earth-sized, rocky planets out there.
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2013-01-09, 04:56 | Link #1557 |
Secret Society BLANKET
Graphic Designer
Join Date: Oct 2006
Location: 3 times the passion of normal flamenco
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BBC: Rheinmetall demos laser that can shoot down drones
LAZOOORS~ One step closer to operational point defense lasers. Also, Giant Squid filmed by scientists in world first
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2013-01-09, 05:07 | Link #1558 |
blinded by blood
Author
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Point defense is probably the most realistic use for weaponized lasers. It's interesting how that seems to be their role in more modern science-fiction yarns. Write what you know, I suppose.
I guess that's also why people wrote "lasers" in the 80s and 90s as discrete, slow-moving blobs of light... write what you don't know!
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2013-01-09, 06:39 | Link #1559 | |
NYAAAAHAAANNNNN~
Join Date: Nov 2007
Age: 35
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So when am I getting my Lascannon.
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