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?
Flapping baby birds give clues to origin of flight
Prions can trigger 'stuck' wine fermentations, researchers find
Socially-assistive robots help kids with autism learn by providing personalized prompts