AltEnergyNetwork wrote: > Power harnessed one step at a time > > > In the push to harvest alternative energy, scientists > have tapped a number of novel sources: the sun, corn, > old cooking oil. But how about the simple act of walking? > > For two architecture students at the Massachusetts > Institute of Technology in Cambridge, Mass., the > sound of footsteps is an echo of energy gone to waste. > They figure that the stomp of every footfall gives > off enough power to light two 60-watt bulbs for one second. > So I figure I take about 2 steps per second, and could light 2 60 watt bulbs for 2 seconds, (or 240 watts per second) every second. I've used a stereo that can make 240 watts of sound output, but I don't walk as loud as that stereo is... Where is all that sound coming from? Do people really walk that loud?
doug swanson -- Contentment comes not from having more, but from wanting less. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * All generalizations are false. Including this one. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * This email is constructed entirely with OpenSource Software. _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/sustainablelorgbiofuel Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (70,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/