CRT televisions operate by shooting electrons at the screen Magnetic fields deflect moving electrons, so placing a magnet near the CRT gives you this neat way to visualize the magnetic field linespic.twitter.com/q1W8lv5Oqh
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The astute reader may notice that these curves are actually the lines perpendicular to the magnetic field More precisely, they are perpendicular to *both* the velocity of the e⁻ & the magnetic fieldpic.twitter.com/EhbmiA59dt
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I’m unclear is your ideal sci comm demographic physical science stem majors? I only recognized this equations bc we covered it in E&M
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I don’t think that hard about it
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Ok that’s cool
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I was actually about to ask if those would technically be magnetic force lines but I think you just answered my question
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I tried to tell my parents exactly this after I did some "experiments" with a Sony Trinitron and a permanent Magnet when I was a child after being confronted about the colour hot-spot during the news
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