The Low-Stakes Race to Crack an Encrypted German U-Boat Message
A ramshackle team of American scientists scrambled to decode the Nazi cipher before the time ran out. Luckily, they had a secret weapon.
Source: wired.com
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The do-it-yourself cyclotron
Amateur cyclotron builders are dedicated, tenacious, and obsessed. Another thing they have in common: The experience changes their lives.
Source: symmetrymagazine.org