4433 тысяч подписчиков
444 видео
Is That Floating in Air?: Tensegrity / Mr. Denjiro's Happy Energy!
The Science Behind Home Runs / Mr. Denjiro's Happy Energy!
Throwing Shuriken! / Mr. Denjiro's Happy Energy!
The Air Engine / Mr. Denjiro's Happy Energy!
How to Make a Clean Cut on a Bottle / Mr. Denjiro's Happy Energy!
古代の武器②/Ancient Weapons
Why We Can't See the Far Side of the Moon / Mr. Denjiro's Happy Energy!
The Mechanism behind a Siren / Mr. Denjiro's Happy Energy!
The Law of Increasing Entropy / Mr. Denjiro's Happy Energy!
Making a Thermometer / Mr. Denjiro's Happy Energy! #802
静電気はふしぎ/ Static electricity is mystery
The Geiger Counter / Mr. Denjiro's Happy Energy!
The Principles of Buoyancy / Mr. Denjiro's Happy Energy!
刃物の歴史/History of Cutlery
Utility Knife Blades -A Mysterious Phenomenon / Mr. Denjiro's Happy Energy!
How Does a Yacht Sail Against the Wind? / Mr. Denjiro’s Happy Energy!
