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Updated: June 2, 2025
Foucault's entire apparatus in 1862 had been enclosed in a single room; Newcomb's revolving and fixed mirrors, between which the rays of light were to run their timed course, were set up on opposite shores of the Potomac, at a distance of nearly four kilometres. Just as these experiments were concluded in 1882, M. Magnus Nyrén, of St.
You do this, and I'll wager that within a week the Colonel will induce the President to send the whole regiment to the Mississippi." "Can you reduce your prediction to a mathematical certainty?" asked Dick, a twinkle appearing in his eye. "No, I can't do that," replied Warner, with an answering twinkle, "but you're the very fellow to influence Colonel Newcomb's mind.
So thickly is the space we traverse strewn with this cometary dust that the earth sweeps up, according to Professor Newcomb's estimate, a million tons of it each day. Each individual particle, perhaps no larger than a millet seed, becomes a shooting-star, or meteor, as it burns to vapor in the earth's upper atmosphere.
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