Batteries Powered by Leftover Food
Lazyhound writes "Technologists at the University of the West of England in Bristol have come up with a cheap, organic battery that can run on household leftovers, and be manufactured for just £10." There's also a New Scientist article. The New Scientist would like to point out that they broke the story, and the BBC followed up.
In the Czech Republic children are given E. coli to help prevent allergies.
40W bulb * 8 hours = 40 J/s * 8 hr = 1,152,000 J
50g sugar * 4 Cal/g = 200 Cal = 800,000 J
Aren't they off by a factor of 2?
Tiller's Rule: Never use a word in written form that you've only heard and never read. You will end up looking foolish.