How much thrust does a ceiling fan produce?
18:28
These digital clocks aren't digital at all
17:48
Fans; High is next to Off on purpose
16:33
The "Impossible Torpedo" was real
32:51
Thermoelectric cooling: it's not great.
24:56
There are two types of smoke alarm. One of 'em ain't so good.
13:31
What’s the Deal with Base Plates?
27:55
Eu construí uma bicicleta com rodas esféricas omnidirecional
21:48