The metal case makes a perfect electromagnetic ... [Rjpope42] has built AM and FM transmitters, each of which will fit in a Mint Tin case. The AM transmitter can run on 9V or 12V, and even ...
New Scientist on MSN12d
Metals can be squeezed into sheets just a few atoms thickSheets of bismuth, gallium, indium, tin and lead can now be made just a few atoms thick by crushing them at a high ...
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