how communists made unbreakable glass (and perhaps predictably, couldnt sell it in the west because it wasnt disposable enough): https://www.youtube.com/watch?v=vEvBpjCOBu0
@sabbatical Neat!
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
@sabbatical Neat!