7 Jul
2015
7 Jul
'15
5:39 p.m.
On 2015-07-07 14:26, Richard Fateman wrote:
There is a gear train in the SF exploratorium with a motor going 200rpm on one end and the far end has a gear embedded in concrete. The last gear will rotate once in, what, a trillion years... RJF How many megatons if it actually stored all the energy from that motor?
http://www.exploratorium.edu/arts/works/machine-concrete emanating from http://www.chadweisshaar.com/blog/2013/03/26/trip-to-boston/ --rwg