Boarding a US NAVY NUCLEAR SUBMARINE in the Arctic - Smarter Every Day 240

Nature's Incredible ROTATING MOTOR (It’s Electric!) - Smarter Every Day 300

Prince Rupert's Drop EXPLODING in Epoxy Resin at 456,522 fps - Smarter Every Day 273

Bullets HITTING Bullets in Slow Motion - THE IMPOSSIBLE SHOT - Smarter Every Day 287

Boarding a US NAVY NUCLEAR SUBMARINE in the Arctic - Smarter Every Day 240

How Do Nuclear Submarines Make Oxygen?- Smarter Every Day 251