C cleverjellybean Guest Feb 14, 2010 #1 SMALL battery powered car? small 10 cm by 10 cm car with a really simple design and circuit
J jcherry_99 New member Feb 14, 2010 #2 Maybe. It's got to be very light and very frictionless. A lemon can run a digital wrist watch for several months (if you put the lemon in a plastic bag to hold it together when it begins to rot.)
Maybe. It's got to be very light and very frictionless. A lemon can run a digital wrist watch for several months (if you put the lemon in a plastic bag to hold it together when it begins to rot.)
T Terris New member Feb 14, 2010 #3 Well, if the car was able to get energy like the human body does then i'm sure all those calories would come in handy.
Well, if the car was able to get energy like the human body does then i'm sure all those calories would come in handy.
