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What is In the Cellphone Battery in Your Device
The battery inside your phone has a positive and negative ‘terminal’ on the outside of the case. The terminals connect…
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Battery Experiments
Experiment: Battery Engine
Making a battery engine is very simple. Things needed: Battery Magnet Copper wire Procedure: Wrap the copper wire around…
Historical Personality
George Westinghouse (1846-1914)
The inventor-entrepreneur George Westinghouse was born on October 6, 1846 in New York, USA. He launched his career at a…
Historical Personality
John Frederic Daniell (1790 – 1845)
John Frederic Daniell was born in London in 1790. He is one of the most famous self-taught polymaths of the world…
Battery Basics
Some Interesting Battery Charging Techniques
In previous posts we discussed how some standard as well above-standard (intelligent) chargers work. In this post we will discuss…



