See also: Radium
Science Memes
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Next: Carbon fiber filament for 3d printers
3D printers, period. The microplastics they create are insane.
How do printers create microplastics? I'd think they wouldn't be significantly different than other ways of manufacturing plastic parts. Genuinely curious.
After printing you have to not only trim the extra bits, but you have to sand it down, whereas manufacturers use molds and only have to trim the seams.
Ah so the finishing work. Makes sense.
E: Reading about PLA specifically, it appears to be compostable. Also burning it doesn't produce nasty byproducts. So perhaps 3D printing with PLA isn't that bad, of one takes care of the excess.
It's compostable in the same way that taco bell is mexican food; you have to add a lot of qualifiers before anyone will agree with you.
As far as regular people are concerned, pla isn't being composted.
Could someone please explain the joke to me?
To quote Wikipedia:
It was also later discovered to cause lung cancer, mesothelioma and also because of its fibrous structure; it breaks into lots of tiny little microscopic needles when agitated. Those little shards get inhaled and poke tiny holes in your lungs which causes Asbestosis (kind of like Emphysema for smokers).
Sometimes the little shards make it through the lungs into the blood and thence onwards to cause cancer in any part of the body* it comes to rest
*Except the most protected parts: brain and gonads
I remember as a kid we had some kind of puck-shaped asbestos bathroom deodorizer. It was also used in urinals back in the day.
Yummy