THIS DAY IN SCIENCE: Discovery of Hooke's lost manuscripts in 2006

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How Special Relativity Makes Magnets Work

How Special Relativity Makes Magnets Work

Magnetism seems like a pretty magical phenomenon. Rocks that attract or repel each other at a distance – that’s really cool – and electric current in a wire interacts in the same way. What’s even more amazing is how it works. We normally think...
Citrus Battery Contest

Citrus Battery Contest

Introduction When two metals having different electrical potentials are placed in a solution of an electrolyte (such as a lemon or an orange, with its high concentration of citric acid), a crude electrochemical cell is set up. The cell is a voltaic cell resulting from...
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