Science & Technology Q&A for Kids (and others) [October 1, 2021]
The Stephen Wolfram Podcast
How Do Threedy Printers Work?
Injection moulding involves squirting plastic into this void, into this hole inside this mould. That's sort of the traditional way, from when plastics were invented in 19 thirties and so on. Another way of making things is this kind of addative way of make things, which is how threedy printers work. And i think there's a big effort right now to have some, some things made that way. You can make all kinds of elaborate shapes and structures in that fashion.
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