November 20, 2009 Dustin Reader, a young Cincinnati Bengals fan, was suspended from school on Nov. 9...
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Transcript of November 20, 2009 Dustin Reader, a young Cincinnati Bengals fan, was suspended from school on Nov. 9...
November 20, 2009November 20, 2009
Dustin Reader, a young Cincinnati Bengals fan, was suspended from school on Nov. 9 because of this haircut expressing support for his beloved team. School officials in the Ohio city of Hamilton said they prohibit extreme and distracting hairstyles.
Visitors taste Beaujolais Nouveau at the open-air wine spa in Hakone, Japan, on Nov. 19. The Hakone Kowakien Yunessun spa complex launched an open-air wine spa four years ago, and the event takes place every year.
Ch. 15 (nuclear)
Alternative Alternative Energy Energy SourcesSources
http://www.ncpa.org/pub/ba564/http://www.worldofstock.com/closeups/BEN2002.phphttp://www.microbialfuelcell.org/Publications/The%20Alchemist%20%20The%20ChemWeb%20Magazine.htm
Nuclear In development…(or
good holiday dinner conversation)
HydrogenBiofuels
• Ethanol & biodiesel• Microbial fuel cells
Nuclear Energy Fusion = combining Fission = splitting
235U fission• Chain reaction releases energy• Burner reactors
http://www.cameco.com/uranium_101/fact.phphttp://nhs.needham.k12.ma.us/cur/mp/step1.html
http://www.cameco.com/uranium_101/fact.phphttp://energy.cr.usgs.gov/other/uranium/more.html
http://www.eia.doe.gov/cneaf/nuclear/page/reserves/uresarea.html
Uranium Resources Geology of uranium
Sedimentary rocks 235U is <1% (238U)
http://www.cameco.com/uranium_101/fact.phphttp://www.japannuclear.com/nuclearpower/program/waste.html
Other Resources
Reprocessing spent fuel 238U converts to 239Pu
• Breeder reactors– Different technology
– Dangers
Nuclear Power Concerns
Reactor safetyCore meltdowns
• Three Mile Island (1979)• Chernobyl (1986)
– 400X more than Hiroshima
– Thyroid epidemic in children
Pripyat in 2006
Nuclear Power Concerns
Fuel handlingExposure during miningCarelessnessSecurity
http://whyfiles.org/275nukewaste/index.php?g=2.txt
Road transport of spent fuel in Japan
Nuclear Power Concerns Wastes
Not ‘typical’ toxic wasteHousing material is
radioactive
http://www.iaea.org/cgi-bin/db.page.pl/pris.agereac.htmhttp://www.americanprogress.org/issues/2008/07/nuclear_cost.html
Nuclear Power of the Future Fusion
“Star in a jar”• Deuterium + tritium = helium• Clean power
Cold fusion
http://zebu.uoregon.edu/~soper/Sun/earthnuke.htmlhttp://news.bbc.co.uk/2/hi/science/nature/4627237.stmhttp://www.seas.columbia.edu/apam/hbtep/Pictures/slides/tn/nuclear_fusion_dt_reaction.png.shtml Proposed ITER
Hydrogen
http://www.afdc.energy.gov/afdc/http://www.nrel.gov/vehiclesandfuels/whatis_fuelcell.htmlhttp://www.sustainability.dpc.wa.gov.au/CaseStudies/Hydrogen%20Fuel%20Buses/Hydrogen%20Fuel%20Cell%20Buses.htm
Standard H2 fuel cell car
Hydrogen in the HomeHydrogen in the Home
Solar energySplit water
HydrogenUse for electricity
WaterRecycled for splitting
• 3 L is it!– Developing nations