Wow Toys...

https://www.evernote.com/shard/s59/sh/ce9e183d-24d7-4716-89f7-5f0df744f060/43343a780e1350f4e237156aefe5f266

www.engineering.com

http://www.engineering.com/Videos/tabid/4624/Default.aspx
need to look at this

https://www.youtube.com/user/UoNFEBE

https://www.youtube.com/user/UoNFEBE

I don't really like the  dreaw with marker sped up kind of images

500 subscribers...

https://subbable.com/crashcourse

https://subbable.com/crashcourse

I really like it but the videos are too long

https://www.youtube.com/watch?v=qG2SwE_6uVM&list=UUX6b17PVsYBQ0ip5gyeme-Q

kind of cool

https://www.youtube.com/user/alltime10s

https://www.youtube.com/user/alltime10s

I cannot stop watching but there is no real content...