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 ...

Andy is a seasoned technology journalist with more than 15 years experience in the mobile industry, writing for Digital Trends, Wired, and more. During that time he has reviewed hundreds of ...

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