9 March 2010, 5:06 pm
what is the component that makes them so expensive?... Read More »
9 March 2010, 5:05 pm
I've been doing research on hydrogen fuel cells and have read that the method currently used is to extract it from natural gas (which isn't very energy efficient) but there are methods such as extracting it from water, pee (is that true?), landfill gas, and electrolysis what i dont understand is wh... Read More »
9 March 2010, 4:51 am
what is the difference in price between solar cells and fossil fuels?... Read More »
8 March 2010, 7:28 am
Individual Tax Cuts: 1. "Making Work Pay" Tax Credit (Sec. 1001, Page 195). In tax years 2009 and 2010, the Making Work Pay provision will provide a refundable tax credit of 6.2 percent of earned income up to $400 for individuals and up to $800 for married taxpayers filing joint returns. 2. Incre... Read More »
7 March 2010, 7:35 pm
plz cn i get d answer quickly..i have my exam at 10am... Read More »
7 March 2010, 1:39 pm
I am working on a differential equations project, and I need to model the food, oxygen(air), and a hydroponic system for astronauts on Mars. This is what I came up with so far. Mf- Food, Mo-Oxygen, Mh-hydroponic plants (for food and oxygen) ΔMf = -k Δt ΔMh = kMh Δt - a Δt ΔMh/ Δt = kMh-... Read More »
7 March 2010, 9:09 am
... Read More »
6 March 2010, 11:08 am
does anyone know the average internal resistance of an alkaline fuel cell. Thanks for answering ;))... Read More »
6 March 2010, 2:05 am
Perfection is imperfect She had always been so happy, and loved food. She had it all--- the style, the brains, the talent, the humor, the strength and the beauty. However, she never realized it. All she wanted, was to feel beautiful. So, she decided to stop eating. She finished the muffin she had fo... Read More »
5 March 2010, 4:13 pm
I wanted to talk to a scientist about microbial fuel cell. like how to go about building one.... Read More »
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