Swans on Tea
Physics, tech and humor.
Swans on Tea's Latest Posts
My internet is down. And there is only so much I am willing to do from my phone.
The US Naval Observatory was established on Dec 6, 1830, as the Depot of Charts and Instruments under the command of LT Louis Goldsborough. Its function was to maintain, repair and rate navigational instruments and had an annual budget of $330. Its mission expanded in 1842 to include its function as the national observatory, and [...]
An audio map of US dialects I’ve linked to the soda vs pop map before, but this takes study of US linguistic differences to the next level. I didn’t realize there was more than one way to pronounce bag.
Since we are not asking “What else floats in water?” Use of ancient lead in modern physics experiments ignites debate Unfortunately the story really doesn’t lay out the case for why ancient lead ballast falls into the category of “cultural heritage artifact” or my more than a small fraction of it would need to be [...]
… keep those hypocycloids rolling, rawhide! Rolling Hypocycloids In addition to animated gifs showing the hypocycloids, there’s a short explanation of symmetry groups, which is important in physics, especially in understanding spin states and quarks.
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