Questions about perpetual machines...
View Single Post
Jan17-07, 10:40 PM
If there was a machine that claimed to have all the characteristics of such a machine and relied on gravity, can it be called a perpetual machine?
Cougars' diverse diet helped them survive the Pleistocene mass extinction
Cyber risks can cause disruption on scale of 2008 crisis, study says
Mantis shrimp stronger than airplanes