Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch step-by-step as we cut lemons, prepare copper and aluminum electrodes, and ...

A new water-based battery design is safer and more energy-efficient than traditional lithium-ion batteries, Chinese researchers claim. The water-battery has a lifetime of over 1,000 charge-discharge ...

Science Experiment You Can Do Generator 130v from 3v battery ...

Writer and occasional reluctant perpetrator of engine swaps, James O'Neil is a malaise era enthusiast and also fascinated by the many ways the auto industry has since recovered from those dark days.