One of my oldest physics party tricks, now photographed in makeshift home studio.
(more…)Tag: fun
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FW’s Notebook, Spacetime Optics with a Schwarzschild Blackhole
Some scrap calculations that I think are valid.
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Waiting for the black hole image now!
19:02 NZDT,
Auckland
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What Does it (really) Take for an ECLIPSE?
I guess you know the drill by now. Round earth with a moon whizzing around, and the pair occasionally block sunlight from each other. Neat stuff.
Do you want to see an actual ray diagram of that?
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Yourong Frank Wang 