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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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jul 8, 1980 - cd

Description:

there is a laser beam and a small photoelectric cell . The laser flashes up onto the bottom side of the CD, bouncing off the pattern of bumps lands on the disc.

Added to timeline:

14 Jan 2019
0
0
444
mo music technology

Date:

jul 8, 1980
Now
~ 43 years ago

Images:

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