battery

Frog photo by Bignoter (English WP) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons. Battery (photo credit graphicstock.com)

How the battery was invented because of an unfortunate frog

Italian scientist Alessandro Volta is credited as the inventor of the electrical battery, but a frog played a role. Volta’s invention, the voltaic pile, was made up of pairs of copper and zinc discs on top of each other. A layer of cloth or cardboard soaked in brine separated the discs, and acted as the electrolyte. This produced a stable and continuous current, and lost little charge over time when not in use – although the voltage wasn’t strong enough to produce sparks…

Read More

Awesome video: How to make a simple motor with an AA battery

Watch experts from the At-Bristol Science Centre create a simple electric motor using a 7dayshop.com battery, a magnet, a screw and insulated wire. (Video credit: At-Bristol/YouTube) We think this is a pretty awesome demonstration from the team and thanks for using 7dayshop.com batteries! The video features Sarah Stephens and Nerys Shah, from the centre’s Live Science Team and was produced by  Ross Exton, Live Science Video Producer. Find out more about the At-Bristol Science Centre > click here Find out more about 7dayshop batteries > click…

Read More
error

Did you enjoy this blog? Please help spread the word :)