Slide Rule
The slide rule is an analog device for performing mathematical computations. The first slide rule was created in 1630 by British mathematician
William Oughtred (1574–1660). His devic...
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Slide Rule
Pocket calculators only came into common use in the 1970s. Digital computers first appeared in the 1940s, but were not in widespread use by the general public until the 1980s. Before pocket...
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Slide Rule
A slide rule is a hand-held, manually operated calculating tool that allows the user to perform multiplication, division, exponentiation, extraction of roots, and various other algebraic op...
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Slide Rule
With the publication of logarithmic tables by John Napier (1550-1617) in 1614, astronomers and mathematicians were freed from much of the drudgery long associated with their professions. So...
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Slide Rule
With the publication of logarithmic tables by John Napier (1550-1617) in 1614, astronomers and mathematicians were freed from much of the drudgery long associated with their professions. So...
Read more
In labs at Johnson Space Center, away from the buzz about NASA's new spaceship and its new missions to the moon and Mars, a group of engineers are plodding away at another piece of the puzzle: spac...
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A handwritten card containing a Bible verse that Apollo 11 astronaut Buzz Aldrin used during a lunar Holy Communion service is up for sale Thursday at a space-related auction.Aldrin, the second man...
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Rick Tocchet's involvement in a gambling ring wasn't as deep as initial reports suggested, but damaging enough to keep the Phoenix Coyotes' assistant coach out of the NHL for at least a few more mo...
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Slide Rule
Slide Rule
Slide Rule
Slide Rule
Slide Rule
NASA engineers work on new spacesuits
