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Latest Teller–Ulam design Stories

dv1282007
2015-02-15 10:53:02

All bombs are terrifying, but just what is the difference between the two big boy bombs - the H-bomb and the A-bomb?

2008-12-30 13:30:58

Moscow acquired the secret of the hydrogen bomb from an atomic spy at the Los Alamos weapons lab in New Mexico, a new book says. The Nuclear Express: A Political History of the Bomb and its Proliferation, by Thomas C. Reed and Danny B.

b902bffd07db3feda96540cd51ec1f831
2006-10-18 00:40:00

While North Korea was testing a nuclear bomb, France was verifying its nuclear arms, too — with a battalion of soundless, black, cabinet-sized calculators buried beneath a meadow.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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