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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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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This is why all CRT monitors at the
@NationalMagLab were monochrome back in the day. When you have a DC magnet ramping up to over 30 Tesla a few feet away, it seriously messes with a color display. -
Yea I was reading about how on black and white you really won’t see it except around the white edges cause that’s where the electrons are hitting
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and when attached to an antenna and tuned to a dead channel (3 in my area) it will display some of the cosmic background radiation left over from the Big Bang.
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I did this as a kid and got grounded.
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There’s a whole generation on social media that will have no idea what kind of screen that is
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And the screen will be distorted afterwards. Don't ask me how I know
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Including ferromagnetic materials was a mistake.
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