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Matt Brown - security researcher and bug bounty hunter
Robert Murray Smith - general mechanical engineering tinkering, lots to learn
TheCod3r - console and other electronic repairs
Wesley Kagan - builds cars but is just an overall genius and entertaining
Joe Grand - hacker, genius
There are more popular/sometimes better people and channels in each genre but I’ve stuck to those with under 1 million sub’s. I’ll assume people like Colin Furze, Ben Eater, Computerphile are already too well known for this thread
I have. Its the matter and antimatter thing. I wonder who put it there in the first place