- FarmCraft101 = A guy who owns a farm and does a mixture of Dad skills and quite ambitious engineering https://www.youtube.com/@FarmCraft101

- StuffMadeHere = A lot of people have already recommended this, I also would too https://www.youtube.com/@StuffMadeHere

- Asianometry = "Science, Technology, History, Asia, mostly" great on semiconductors and the economics/business levers behind it https://www.youtube.com/@Asianometry

- Project Farm = thorough testing of hardware https://www.youtube.com/@ProjectFarm

- TwoMinutePapers = Latest breakthrough in AI https://www.youtube.com/@TwoMinutePapers

- Marius Hornberger = a very talented machinist/maker who makes good videos https://www.youtube.com/@MariusHornberger