Sort:  

Thanks for sharing!

When you see it, tell me how was it. They're one of my fav science channels on YouTube

I think I've seen another from the same people. They do good videos.

Coin Marketplace

STEEM 0.20
TRX 0.13
JST 0.029
BTC 68237.15
ETH 3499.75
USDT 1.00
SBD 2.72