Think your car is 98.6 percent efficient?

December 13, 2007 on 12:51 pm | In General, Product |

Of course not, but your bicycle is!  Johns Hopkins U. always seems to come up with some cool studies and facts…..

” When it comes to efficient use of energy, it’s tough to beat a bike.

That’s what Johns Hopkins University engineers learned when they aimed an infrared camera at a computer-controlled bicycle drive train in a campus lab. The camera detected heat generated by friction as the chain moved through the sprockets under varying conditions. This heat represented wasted energy, and by measuring it, the engineers were able to identify sources of inefficiency……”

Read the whole article here