Sound travel

kfacts (34)in #life • 8 years ago

Sound travels 15 times faster through steel than through the air.

8 years ago in #life by kfacts (34)

$0.00

STEEM 0.04

TRX 0.32

JST 0.087

BTC 59898.70

ETH 1589.31

USDT 1.00

SBD 0.41