This is a seriously cool #rocket #engine #design *that works* https://youtube.com/watch?v=bha6yZsS7oY In #theory a #hobbyist could build this at home! Really epic stuff, #integza has come a long way!
*Exceptional* - a #hobbyist has been working on building their own #silicon #lab and making #transistors ! http://sam.zeloof.xyz/second-ic/ Insanely cool progress!