The surface of a vinyl record is much more intricate than one may think.
By coating an LP with silver and hitting it with electrons, along with a motion-controlled electron microscope taking stop-motion photos of the needle’s drag at 50 microns a second, Applied Sciences‘s Ben Krasnow is able to take a close up look at the space where needle meets vinyl in superior detail. Microscopio Usb
Krasnow compares the density of the content on a two channel stereo recording to that of a capacitance electronic disc (aka analog video disc), whose content density produces a visible light diffraction
Check out the contours of the vinyl in the video below.
Steve is Editor in Chief of DHA and does some other things too
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