Cassini, Rømer, and the velocity of light (2008)
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Cassini, Rømer, and the velocity of light (2008)
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Re: Cassini, Rømer, and the velocity of light (2008)
#2I so rarely get to learn new words that I've never once encountered before, but this piece had one. "Prostapheresis"
Apparently it's an archaic trigonometric method for approximate multiplication and division.
Re: Cassini, Rømer, and the velocity of light (2008)
#3This is an interesting article about later additions to the quest to measure light's speed: https://www.physicsforums.com/insights/speed-light-galilean-...
Re: Cassini, Rømer, and the velocity of light (2008)
#4I so rarely get to learn new words that I've never once encountered before, but this piece had one. "Prostapheresis" Apparently it's an archaic trigonometric method for approximate multiplication and division.
Re: Cassini, Rømer, and the velocity of light (2008)
#5I so rarely get to learn new words that I've never once encountered before, but this piece had one. "Prostapheresis" Apparently it's an archaic trigonometric method for approximate multiplication and division.
https://en.m.wikipedia.org/wiki/Prosthaphaeresis
That was a genuinely enjoyable read, thanks.
Re: Cassini, Rømer, and the velocity of light (2008)
#6History of radio astronomy. It can't get much better than that.
Re: Cassini, Rømer, and the velocity of light (2008)
#7I so rarely get to learn new words that I've never once encountered before, but this piece had one. "Prostapheresis" Apparently it's an archaic trigonometric method for approximate multiplication and division.
https://en.m.wikipedia.org/wiki/Prosthaphaeresis
As a mathematician who is still in the learning phase and intuition is lacking, thank you. This method is ingenius and makes the invention of logarithms make even more sense consequentally. HN rocks :-)