this post was submitted on 03 Jul 2025
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Technology

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[–] MurrayL@lemmy.world 46 points 2 days ago

Loving this little nugget from the article:

the translucent CD, which was pitched as an environmentally friendly option

Ah yes, the environmentally friendly option of producing thousands of plastic disks that don’t work.

[–] cmnybo@discuss.tchncs.de 26 points 2 days ago (2 children)

How is that even supposed to work? The laser beam has to be reflected back down to the sensor in order to read the CD.

[–] aeronmelon@lemmy.world 33 points 2 days ago* (last edited 2 days ago) (1 children)

Translucent != transparent, but you might be on to something.

Maybe it works better on slim drives with a lower ceiling. Larger drives with space above the disc might allow the laser to refract and generate garbage.

Edit: okay, nevermind, it really is completely transparent. Here’s a picture:

This is actually stupid. At no point during the manufacturing process did anyone mention how CDs work?

The vinyl being transparent is fine, vinyls work by a needle touching the surface, optical discs work by… optics!

[–] bdonvr@thelemmy.club 8 points 1 day ago (1 children)

I mean the CD does work. But not with all players... Not sure what makes some work and some not. Laser wavelength?

[–] MotoAsh@lemmy.world 12 points 1 day ago

Most likely the sensitivity of the electronics and whether they consider the surely weak signal noise.

[–] SheeEttin@lemmy.zip 7 points 1 day ago* (last edited 1 day ago)

CD players use 780 nm light, which is infrared. What is transparent in visible light may be reflective in infrared. Obviously, this material is not sufficiently reflective.

[–] NABDad@lemmy.world 12 points 1 day ago

People still buy CDs?

[–] aeronmelon@lemmy.world 11 points 2 days ago

Maybe stick to making vanity records for the superfans / vinyl collectors.

[–] ConstantPain@lemmy.world 2 points 1 day ago

Hahahahahaha

[–] glimse@lemmy.world 1 points 1 day ago (1 children)

Really wasn't into the singles but overall, pretty good album.

[–] 01189998819991197253@infosec.pub 3 points 11 hours ago

The album really is a transparent reflection on humanity.