조회수
3:58
Materials And Their Properties
0:34
This is the world's densest element
1:12:28
Strong Men, Soft Hearts: The Truth About Biblical Masculinity with Joby Martin
0:59
6 Businesses That Rarely Fail
0:19
Bill Gates Wall of Periodic Table! 😳 #shorts
0:46
‼️This was Found in a 500,000,000 year old Dolostone ROCK?!‼️ More Rocks.. 😭 #shorts
0:15
Why springs are NOT made from Ｉ-beams
0:38
Sodium metal is soft and squishy
