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Will Tetris-Shape Batteries Put GM Ahead
Individual battery cells are mostly either cylindrical, rectangular, or pouch shape. Rectangular cells stack compactly, whereas cylindrical forms resist swelling.…
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Battery Technical
Wireless Power is No Longer SCI-FI
Wireless power transmission is actually commoner than we thought until we saw a video of a drone that flies without…
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Heinrich Hertz ‘Father’ of Electromagnetism
When Heinrich Rudolf Hertz was born in Germany in 1857, the world knew that electromagnetism existed (see James Clerk Maxwell…
Battery Experiments
Bridging Across from Direct to Alternating Current
For a series of historical reasons that we do not go into detail here, we have ended up with one…
Battery Basics
Lithium Penny Battery: Warning for Parents
Surgeons at London’s Great Ormond Hospital, the UK’s largest pediatrics center have issued a health warning about lithium penny batteries.…