ancient
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Ancient Gas Clouds Spotted by Astronomers May Be Remnants of First Stars
Astronomers operating the European Southern Observatory’s Very Large Telescope think they’ve found three gas clouds that formed in the aftermath of the very first stars, when the Big Bang was still in the rear-view mirror.
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What The Heck Was A Comptometer?
This 1942 ad for a comptometer is just perfect because first of all, I had no idea what a comptometer was (a mechanical calculator, basically) and second, the spec sheet is wonderful: no glare dials, elimination of non-essential zeroes, and a “Keystroke Censor.”