SciShow
SciShow Talk Show #8: Human-Powered Helicopters and a Red Fox (2013x60)
: 22, 2013
Da Vinci imagined a helicopter powered solely by human muscles. Now more than 500 years later, two teams are using advanced materials to try and make that dream come true. Hank and Catilin discuss these two teams and the Sikorsky Prize that they are battling for.
Then Jessi from animal wonders shows of Seraphina the red fox!