<P>44The Military Engineer ? July-August ? 2010 the Pentagon, the Of?ce of Naval Research (ONR) highlighted its microbial fuel cell, a device that could revolutionize naval en- ergy use by converting decomposed ma- rine organisms into electricity. These fuel cells convert naturally-occurring fuels and oxidants in the marine environment into electricity, offering a clean, ef?cient and reliable alternative to batteries and other environmentally-harmful fuels. The fuel cell can be a viable power source for long-term operation of autonomous underwater unmanned vehicles, in-water sensors, and devices used for surveillance and monitoring the ocean environment. Named one of TIME magazines Top 50 Inventions for 2009, the fuel cells pow- erful return of clean energy could reduce carbon emissions in the environment and change the way we fuel our vehicles and supply power to our homes. Microbial fuel cell research is a great example of naval needs propelling ad- vanced technology that also has poten- tial bene?t to the public said Rear Adm. Nevin Carr, USN, Chief of Naval Research. The Secretary of the Navy issued ?ve en- ergy goals to the Department of the Navy last October at ONRs Naval Energy Forum and this fuel cell research will help provide part of the solution. Think of it as a battery that runs on mud, said Linda Chrisey, Ph.D., ONR Program Manager. They are sustain- able, environmentally friendly and dont involve hazardous reactants like a regular battery might because they use the natu- ral carbon in the marine environment. For example, we are working on a 4-ft-long autonomous underwater vehicle that will settle on the sea?oor and recharge its bat- teries using this fuel cell approach. We are already able to power many types of sen- sors using microbial fuel cells. Leonard Tender, Ph.D., research chem- ist in the Center for Bio/Molecular Science and Engineering at the Naval Research Laboratory (NRL), has been a central ?g- ure in the development of the fuel cell. We work on the intersection of microbi- ology and electrochemistry, Dr. Tender said. The most fascinating aspect of the program is how these micro-organisms function and the mechanisms by which they take fuel, metabolize it and generate electrical current. Working with scientists from the Univer- sity of Massachusetts at Amherst, Dr. Ten- der and his team started to investigate elec- tricity-generating microorganisms. The most promising, called Geobacter, was discovered in the Potomac River imme- diately downstream of the Washington, D.C., headquarters of NRL. The discovery of the tiny Geobacter mi- crobe by Derek Lovley, Ph.D., of the Uni- versity of Massachusetts at Amherst holds the key to understanding microbial en- ergy conversion. Geobacter uses hair-like extensions, or pili, to generate electricity from mud and wastewater. Researchers have developed a strain of Geobacter that is eight times more ef?cient than other strains at producing power. (Contributed by John M. Castagna, ONR) Technology News (continued) Forum dheSMxeÐ?O|e&or?mbrings togetherseniorexeÐ?O|esfromthe ?niformeEser|iÐesanEtheÐri|ate seÐtortoEisÐ?ssiss?es ofshareEinterest. Senior?le|elSMS?stainingMembers ;siÐeWresiEents?SeniorxeÐ?O|esanE WrinÐiÐals?anEgo|ernmentemÐloyees ranUeE?5?S14anEabo|esho?lE marUtheirÐalenEarstoa?enEthis exÐl?si|enetworUinge|ent?feat?ring tho?ght?Ðro|oUingEisÐ?ssionsfrom Ueys?bueÐtma?erexÐerts. Save the date! November 8-9, 2010 2010 Where leadership meets learning www.same.org?exeÐfor?m November 8-9, 2010 New Orleans, La.</p> <UL><LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/1/1/">Front-Cover</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/2/2/">Inside-Front-Cover</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/3/3/">Page-1</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/4/4/">Page-2</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/5/5/">Page-3</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/6/6/">Page-4</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/7/7/">Page-5</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/8/8/">Page-6</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/9/9/">Page-7</a></LI> 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