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