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Laptop Charging Tips for Your Battery’s Sake
Nowadays so many folk use laptops as office computers, that charging-cables permanently draped across desks are a common sight. We…
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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.…
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Lead Battery Knowledge Unknown for Many Years
The Argonne National Laboratory near Lemont, Illinois is an academic research center dedicated to working for the United States Department…