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	<title>The Why Files &#187; Physical Science</title>
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	<link>http://whyfiles.org</link>
	<description>The Science Behind The News</description>
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		<item>
		<title>Pop goes the super supernova</title>
		<link>http://whyfiles.org/2009/pop-goes-the-super-supernova/</link>
		<comments>http://whyfiles.org/2009/pop-goes-the-super-supernova/#comments</comments>
		<pubDate>Thu, 03 Dec 2009 19:17:30 +0000</pubDate>
		<dc:creator>svmedaristwf</dc:creator>
				<category><![CDATA[All]]></category>
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		<category><![CDATA[Conservation of energy and increase in disorder]]></category>
		<category><![CDATA[Earth & Space]]></category>
		<category><![CDATA[Earth and Space Science]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Motions and forces]]></category>
		<category><![CDATA[Origin and evolution of the earth system]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Space & astronomy]]></category>
		<category><![CDATA[ancient universe]]></category>
		<category><![CDATA[astronomy]]></category>
		<category><![CDATA[astrophysics]]></category>
		<category><![CDATA[Avishay Gal-Yam]]></category>
		<category><![CDATA[electron-positron pair]]></category>
		<category><![CDATA[heavy element production]]></category>
		<category><![CDATA[pair instability]]></category>
		<category><![CDATA[supernova 2007bi]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=3778</guid>
		<description><![CDATA[Titanic explosion shows one of the biggest bangs since the Biggest Bang, spreads useful elements through the universe. Finally revealed: anti-matter is working for you!]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Nanotech</title>
		<link>http://whyfiles.org/2009/nanotech/</link>
		<comments>http://whyfiles.org/2009/nanotech/#comments</comments>
		<pubDate>Thu, 30 Jul 2009 22:27:05 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Properties in matter]]></category>
		<category><![CDATA[Structures and properties of matter]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[buckyball]]></category>
		<category><![CDATA[C.N. R. Rao]]></category>
		<category><![CDATA[composite material]]></category>
		<category><![CDATA[material science]]></category>
		<category><![CDATA[nanocarbon]]></category>
		<category><![CDATA[nanostructure]]></category>
		<category><![CDATA[nanotechnology]]></category>
		<category><![CDATA[nanotube]]></category>
		<category><![CDATA[plastic]]></category>
		<category><![CDATA[polymer]]></category>
		<category><![CDATA[strength]]></category>
		<category><![CDATA[synergy]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2697</guid>
		<description><![CDATA[Adding nanotubes makes a stronger plastic, but adding several nano-structures greatly increases the benefit, according to a new study from India. Read about the frontier of material science.]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/nanotech/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>New battery technology allows fast charge and discharge</title>
		<link>http://whyfiles.org/2009/new-battery-technology-allows-fast-charge-and-discharge/</link>
		<comments>http://whyfiles.org/2009/new-battery-technology-allows-fast-charge-and-discharge/#comments</comments>
		<pubDate>Thu, 12 Mar 2009 19:25:10 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Chemical reactions]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[Transfer of energy]]></category>
		<category><![CDATA[cell phone battery]]></category>
		<category><![CDATA[charge]]></category>
		<category><![CDATA[discharge]]></category>
		<category><![CDATA[electric car battery]]></category>
		<category><![CDATA[fast charging]]></category>
		<category><![CDATA[fast discharging]]></category>
		<category><![CDATA[fast recharging]]></category>
		<category><![CDATA[lithium ion movement]]></category>
		<category><![CDATA[lithium-ion battery]]></category>
		<category><![CDATA[lithium-iron-phosphate battery]]></category>
		<category><![CDATA[plug-in hybrid battery]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1702</guid>
		<description><![CDATA[By tweaking the conventional recipe, researchers have sped up electricity movement in a lithium battery by 100X.  Want to charge your electric car in minutes or your phone in seconds?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/new-battery-technology-allows-fast-charge-and-discharge/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Fuel Faves: Coffee meets diesel!</title>
		<link>http://whyfiles.org/2009/fuel-faves-coffee-meets-diesel/</link>
		<comments>http://whyfiles.org/2009/fuel-faves-coffee-meets-diesel/#comments</comments>
		<pubDate>Tue, 06 Jan 2009 15:18:27 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Natural hazards]]></category>
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		<category><![CDATA[Science and technology in society]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[Transfer of energy]]></category>
		<category><![CDATA[Wacky science]]></category>
		<category><![CDATA[biodiesel]]></category>
		<category><![CDATA[biofuel]]></category>
		<category><![CDATA[coffee]]></category>
		<category><![CDATA[renewable fuel]]></category>
		<category><![CDATA[transesterification]]></category>
		<category><![CDATA[Transportation]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1104</guid>
		<description><![CDATA[Oils in spent coffee grounds are easily converted into biodiesel -- a renewable source of transportation energy. Bottoms up for CofFuel? ]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/fuel-faves-coffee-meets-diesel/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Life during the &#8220;other&#8221; Big Bang!</title>
		<link>http://whyfiles.org/2008/life-during-the-other-big-bang/</link>
		<comments>http://whyfiles.org/2008/life-during-the-other-big-bang/#comments</comments>
		<pubDate>Thu, 11 Dec 2008 20:58:36 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Biology]]></category>
		<category><![CDATA[Body parts]]></category>
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		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Historical perspectives]]></category>
		<category><![CDATA[History and Nature of Science]]></category>
		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[Transfer of energy]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[Wacky science]]></category>
		<category><![CDATA[amino acids]]></category>
		<category><![CDATA[Furukawa]]></category>
		<category><![CDATA[hadean era]]></category>
		<category><![CDATA[meteorites]]></category>
		<category><![CDATA[organic molecules]]></category>
		<category><![CDATA[origin of life]]></category>
		<category><![CDATA[space debris]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1077</guid>
		<description><![CDATA[Did the arrival of 4,000,000,000,000,000,000 tons of space junk start the formation of organic molecules roughly 4 billion years ago? "Could be," says a new study from Japan...]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/life-during-the-other-big-bang/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Small is beautiful: Nanotech meets biology!</title>
		<link>http://whyfiles.org/2008/small-is-beautiful-nanotech-meets-biology/</link>
		<comments>http://whyfiles.org/2008/small-is-beautiful-nanotech-meets-biology/#comments</comments>
		<pubDate>Thu, 25 Sep 2008 21:26:58 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[Abilities necessary to do scientific inquiry]]></category>
		<category><![CDATA[All]]></category>
		<category><![CDATA[Bio brainstorms]]></category>
		<category><![CDATA[Biology]]></category>
		<category><![CDATA[Brains & computers]]></category>
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		<category><![CDATA[By Theme]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Properties in matter]]></category>
		<category><![CDATA[Science as Inquiry]]></category>
		<category><![CDATA[Structure of atoms]]></category>
		<category><![CDATA[carbon nanotubes]]></category>
		<category><![CDATA[DNA mapping]]></category>
		<category><![CDATA[fast chromosome mapping]]></category>
		<category><![CDATA[glaucoma research]]></category>
		<category><![CDATA[graphene]]></category>
		<category><![CDATA[microfluidics]]></category>
		<category><![CDATA[nanotechnology]]></category>
		<category><![CDATA[silicon]]></category>
		<category><![CDATA[wound treatment]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1065</guid>
		<description><![CDATA[Biology operates on the nanometer scale, and now ultra-small technology is producing monster benefits for genetic analysis, cell biologists, and the treatment of blinding glaucoma.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/small-is-beautiful-nanotech-meets-biology/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Running short of copper, phosphorus, rare elements</title>
		<link>http://whyfiles.org/2008/running-short-of-copper-phosphorus-rare-elements/</link>
		<comments>http://whyfiles.org/2008/running-short-of-copper-phosphorus-rare-elements/#comments</comments>
		<pubDate>Fri, 12 Sep 2008 04:42:27 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Properties in matter]]></category>
		<category><![CDATA[Science and Technology]]></category>
		<category><![CDATA[Structures and properties of matter]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[The future]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[agriculture]]></category>
		<category><![CDATA[biosolids]]></category>
		<category><![CDATA[copper recycling]]></category>
		<category><![CDATA[copper shortage]]></category>
		<category><![CDATA[element shortages]]></category>
		<category><![CDATA[environmental economics]]></category>
		<category><![CDATA[phosphorus fertilizer]]></category>
		<category><![CDATA[phosphorus recycling]]></category>
		<category><![CDATA[prevent future shortages]]></category>
		<category><![CDATA[rare earth elements]]></category>
		<category><![CDATA[rock phosphate]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1064</guid>
		<description><![CDATA[Without phosphorus fertilizer, millions would starve. A shortage of copper -- and electricity -- could short-circuit our economy. Without many obscure elements, we would not have LCDs and cell phones. Should we act to prevent future shortages?]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/running-short-of-copper-phosphorus-rare-elements/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Electric eye learns from animal eye!</title>
		<link>http://whyfiles.org/2008/electric-eye-learns-from-animal-eye/</link>
		<comments>http://whyfiles.org/2008/electric-eye-learns-from-animal-eye/#comments</comments>
		<pubDate>Thu, 07 Aug 2008 20:39:47 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Motions and forces]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Structure and function in living systems]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[back of camera]]></category>
		<category><![CDATA[camera]]></category>
		<category><![CDATA[curved light detector]]></category>
		<category><![CDATA[distortion]]></category>
		<category><![CDATA[flexible electronics]]></category>
		<category><![CDATA[hemispheric light detector]]></category>
		<category><![CDATA[image]]></category>
		<category><![CDATA[lens]]></category>
		<category><![CDATA[photodetector]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1059</guid>
		<description><![CDATA[Lenses cannot project a perfect image on the flat back of a camera, so images are distorted at the edges. A revolutionary camera solves this problem by curving the light detector.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/electric-eye-learns-from-animal-eye/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Laser: The invention that just won&#8217;t quit!</title>
		<link>http://whyfiles.org/2008/laser-the-invention-that-just-wont-quit/</link>
		<comments>http://whyfiles.org/2008/laser-the-invention-that-just-wont-quit/#comments</comments>
		<pubDate>Thu, 17 Jul 2008 22:22:00 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Properties in matter]]></category>
		<category><![CDATA[Structures and properties of matter]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[chemical identification]]></category>
		<category><![CDATA[climate model]]></category>
		<category><![CDATA[eye surgery]]></category>
		<category><![CDATA[fiber-optic communications]]></category>
		<category><![CDATA[influenza virus structure]]></category>
		<category><![CDATA[laser applications]]></category>
		<category><![CDATA[laser history]]></category>
		<category><![CDATA[laser invention]]></category>
		<category><![CDATA[laser-assisted machining]]></category>
		<category><![CDATA[lasers]]></category>
		<category><![CDATA[lidar]]></category>
		<category><![CDATA[spectroscopy]]></category>
		<category><![CDATA[telecommunication]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1057</guid>
		<description><![CDATA[Lasers read and write CDs and DVDs, form the heart of fiber-optics, and are being used in climate prediction, chemical identification, high-tech manufacturing, even the battle against influenza.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/laser-the-invention-that-just-wont-quit/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Dig the latest top tech tricks</title>
		<link>http://whyfiles.org/2008/dig-the-latest-top-tech-tricks/</link>
		<comments>http://whyfiles.org/2008/dig-the-latest-top-tech-tricks/#comments</comments>
		<pubDate>Thu, 05 Jun 2008 20:57:20 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Motions and forces]]></category>
		<category><![CDATA[Paleontology & archeology]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Properties in matter]]></category>
		<category><![CDATA[Science as Inquiry]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[Archeologists]]></category>
		<category><![CDATA[archeology]]></category>
		<category><![CDATA[electrical resistance]]></category>
		<category><![CDATA[find where to dig]]></category>
		<category><![CDATA[ground-penetrating radar]]></category>
		<category><![CDATA[magnetic susceptibility]]></category>
		<category><![CDATA[magnetometer]]></category>
		<category><![CDATA[radar]]></category>
		<category><![CDATA[resistivity]]></category>
		<category><![CDATA[see through the ground]]></category>
		<category><![CDATA[sonar]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1052</guid>
		<description><![CDATA[What you can't see can still interest you. Archeologists use radar, magnetic, electrical gizmos to see through the ground, find places to dig.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/dig-the-latest-top-tech-tricks/feed/</wfw:commentRss>
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