Mr. Denjiro's Happy Energy!

3:06

Get Electricity from the Air! / Mr. Denjiro's Happy Energy! #862

Shared 3 days ago

48K views

3:06

The Truth Behind Smoke Screens / Mr. Denjiro's Happy Energy! #861

Mr. Denjiro's Happy Energy!

Shared 1 week ago

52K views

3:06

Can You Stop a Bullet with Liquid?! / Mr. Denjiro's Happy Energy! #860

Mr. Denjiro's Happy Energy!

Shared 2 weeks ago

116K views

3:06

Proving the Existence of Atmospheric Pressure / Mr. Denjiro's Happy Energy! #859

Mr. Denjiro's Happy Energy!

Shared 3 weeks ago

56K views

8:20

バランスって大事！/Balance is important!

Mr. Denjiro's Happy Energy!

Shared 3 weeks ago

33K views

3:06

The Ultimate Pogo Stick?! / Mr. Denjiro's Happy Energy! #858

Mr. Denjiro's Happy Energy!

Shared 1 month ago

61K views

3:06

Musical Plastic Bottles / Mr. Denjiro's Happy Energy! #857

Mr. Denjiro's Happy Energy!

Shared 1 month ago

43K views

3:06

Chainsaw Kickback: The Hidden Danger / Mr. Denjiro's Happy Energy! #856

Mr. Denjiro's Happy Energy!

Shared 1 month ago

813K views

3:06

Heatstroke Prevention: Cooling Rings / Mr. Denjiro's Happy Energy! #855

Mr. Denjiro's Happy Energy!

Shared 1 month ago

133K views

8:20

科学はアートの夢を見るか？/Does science dream of art?

Mr. Denjiro's Happy Energy!

Shared 1 month ago

63K views

3:06

Chain Whip / Mr. Denjiro's Happy Energy! #854

Mr. Denjiro's Happy Energy!

Shared 1 month ago

202K views

3:06

Kangaroo Shoes / Mr. Denjiro's Happy Energy! #853

Mr. Denjiro's Happy Energy!

Shared 2 months ago

108K views

3:06

Stone Skipping / Mr. Denjiro's Happy Energy! #852

Mr. Denjiro's Happy Energy!

Shared 2 months ago

113K views

3:06

Dust Explosion / Mr. Denjiro's Happy Energy! #851

Mr. Denjiro's Happy Energy!

Shared 2 months ago

486K views

8:20

つめた～い/Sooo cold

Mr. Denjiro's Happy Energy!

Shared 2 months ago

66K views

3:06

Discovering the Nucleus Using Gold! / Mr. Denjiro's Happy Energy! #850

Mr. Denjiro's Happy Energy!

Shared 2 months ago

183K views

3:06

Spiral Pump: A Perpetual Motion Machine?! / Mr. Denjiro's Happy Energy! #849

Mr. Denjiro's Happy Energy!

Shared 3 months ago

602K views

3:06

Foxhole Radio / Mr. Denjiro's Happy Energy! #848

Mr. Denjiro's Happy Energy!

Shared 3 months ago

180K views

3:06

How to Pump a Swing / Mr. Denjiro's Happy Energy! #847

Mr. Denjiro's Happy Energy!

Shared 3 months ago

63K views

3:06

Klein Bottle / Mr. Denjiro's Happy Energy! #846

Mr. Denjiro's Happy Energy!

Shared 3 months ago

1.2M views

3:06

Dancing String / Mr. Denjiro's Happy Energy! #845

Mr. Denjiro's Happy Energy!

Shared 3 months ago

133K views

8:20

楽器は震えている/The instrument is vibrating

Mr. Denjiro's Happy Energy!

Shared 3 months ago

44K views

3:06

Ancient Inca Whistling Vessel / Mr. Denjiro's Happy Energy! #844

Mr. Denjiro's Happy Energy!

Shared 3 months ago

109K views

3:06

The Monkey and the Hunter / Mr. Denjiro's Happy Energy! #843

Mr. Denjiro's Happy Energy!

Shared 4 months ago

69K views

3:06

Staff Sling / Mr. Denjiro's Happy Energy! #842

Mr. Denjiro's Happy Energy!

Shared 4 months ago

69K views

3:06

Plasma / Mr. Denjiro's Happy Energy! #841

Mr. Denjiro's Happy Energy!

Shared 4 months ago

272K views

8:20

Solar power

Mr. Denjiro's Happy Energy!

Shared 4 months ago

56K views

3:06

Morse Code Transmitter / Mr. Denjiro's Happy Energy! #840

Mr. Denjiro's Happy Energy!

Shared 4 months ago

65K views

3:06

The Trajectory of a Cannonball / Mr. Denjiro's Happy Energy! #838

Mr. Denjiro's Happy Energy!

Shared 5 months ago

316K views

3:06

The Vacuum-Packed Human / Mr. Denjiro's Happy Energy! #839

Mr. Denjiro's Happy Energy!

Shared 5 months ago

951K views

3:06

Axe Throwing! / Mr. Denjiro's Happy Energy! #837

Mr. Denjiro's Happy Energy!

Shared 5 months ago

452K views

3:06

Pulleys on a Giant Crane / Mr. Denjiro's Happy Energy! #836

Mr. Denjiro's Happy Energy!

Shared 5 months ago

81K views

8:20

回るとどうなる？/What happens when you turn it?

Mr. Denjiro's Happy Energy!

Shared 5 months ago

98K views

3:06

The Melodica / Mr. Denjiro's Happy Energy! #835

Mr. Denjiro's Happy Energy!

Shared 6 months ago

37K views

3:06

Video Tricks with a Smartphone / Mr. Denjiro's Happy Energy! #834

Mr. Denjiro's Happy Energy!

Shared 6 months ago

23K views

3:06

A Tin Can Telephone World Record! / Mr. Denjiro's Happy Energy! #833 *Audio in EN / GE/ FR/ PT/ ES

Mr. Denjiro's Happy Energy!

Shared 6 months ago

65K views

3:06

How Do Skateboards Move Forward? / Mr. Denjiro's Happy Energy! #832 *Audio in EN / GE / FR / PT / ES

Mr. Denjiro's Happy Energy!

Shared 6 months ago

180K views

8:20

もっと光を！/More light！

Mr. Denjiro's Happy Energy!

Shared 6 months ago

50K views

3:06

Let’s See Cosmic Rays! / Mr. Denjiro’s Happy Energy! #831

Mr. Denjiro's Happy Energy!

Shared 6 months ago

80K views

3:06

Why Boomerangs Always Come Back / Mr. Denjiro’s Happy Energy! #830

Mr. Denjiro's Happy Energy!

Shared 7 months ago

79K views

3:06

Spinning in Midair!: The Cat Righting Reflex / Mr. Denjiro’s Happy Energy! #829

Mr. Denjiro's Happy Energy!

Shared 7 months ago

696K views

3:06

The Mechanism Behind Your Voice / Mr. Denjiro’s Happy Energy! #828

Mr. Denjiro's Happy Energy!

Shared 7 months ago

223K views

8:20

投げてみた/I tried throwing it

Mr. Denjiro's Happy Energy!

Shared 7 months ago

94K views

3:06

Hard Steel’s Weakness / Mr. Denjiro’s Happy Energy! #827

Mr. Denjiro's Happy Energy!

Shared 7 months ago

1.6M views

3:06

Japanese Martial Arts: Kusarigama / Mr. Denjiro’s Happy Energy! #826

Mr. Denjiro's Happy Energy!

Shared 8 months ago

394K views

3:06

Synchronization in Our Daily Lives / Mr. Denjiro’s Happy Energy! #825

Mr. Denjiro's Happy Energy!

Shared 8 months ago

223K views

3:06

A Charcoal Phone?!: The Carbon Microphone / Mr. Denjiro's Happy Energy! #824

Mr. Denjiro's Happy Energy!

Shared 8 months ago

70K views

8:20

コレの仕組み/How this works

Mr. Denjiro's Happy Energy!

Shared 8 months ago

351K views

3:06

Jumping from Up High with Just a Stick?! / Mr. Denjiro's Happy Energy! #823

Mr. Denjiro's Happy Energy!

Shared 8 months ago

465K views

3:06

Gravity on the Moon: Leaping High / Mr. Denjiro's Happy Energy! #822

Mr. Denjiro's Happy Energy!

Shared 9 months ago

81K views

3:06

Archimedes' Heat Ray / Mr. Denjiro's Happy Energy! #821

Mr. Denjiro's Happy Energy!

Shared 9 months ago

181K views

3:06

How to Start a Fire / Mr. Denjiro's Happy Energy! #820

Mr. Denjiro's Happy Energy!

Shared 9 months ago

107K views

3:06

Optical Illusions to Trick Your Brain! / Mr. Denjiro's Happy Energy! #819

Mr. Denjiro's Happy Energy!

Shared 9 months ago

232K views

8:20

レンズ/lens

Mr. Denjiro's Happy Energy!

Shared 9 months ago

53K views

3:06

How to Throw Playing Cards! / Mr. Denjiro's Happy Energy! #818

Mr. Denjiro's Happy Energy!

Shared 9 months ago

287K views

3:06

Liquid Nitrogen Rocket / Mr. Denjiro's Happy Energy! #817

Mr. Denjiro's Happy Energy!

Shared 10 months ago

132K views

3:06

How a Trumpet Produces Sound / Mr. Denjiro's Happy Energy! #816

Mr. Denjiro's Happy Energy!

Shared 10 months ago

343K views

3:06

A Railgun?! The Accelerating Ball / Mr. Denjiro's Happy Energy! #815

Mr. Denjiro's Happy Energy!

Shared 10 months ago

389K views

8:20

エンジン/Engine

Mr. Denjiro's Happy Energy!

Shared 10 months ago

295K views

3:06

Cries of the Dead: The Death Whistle / Mr. Denjiro's Happy Energy! #814

Mr. Denjiro's Happy Energy!

Shared 10 months ago

2.4M views