I built a 20,000 watt microwave oven!
24:29
Testing CRAZY chemistry recipes from a 1933 formulary book (part 4)
31:30
Eu construí uma torre laser de longo alcance no meu quintal
19:41
I converted my microwave into a LASER oven!
34:52
Trump 2.0: Last Week Tonight with John Oliver (HBO)
16:13
Duracell PowerCheck: A genius idea which didn't last that long
27:44
How many plants do you need to breathe? TESTED
17:08
Built My Own X-Ray After a Hospital Charged Me $69,210.32
14:21