Sign In
Home
Popular
News
Popular now
New music
Cute animals
Trending today
Hot trailers
Popular music
Comedy clips
New tech
Popular sports
Learn new
Grow your YouTube views, likes and subscribers for free
Animals
Babies
Beautiful
Cats
Creative
Cute
Dogs
Educational
Funny
Heartwarming
Holidays
Incredible
Inspirational
Interesting
Love
Music
Nature
Oops
Performance
Pranks
Science
Sports
Technology
Unexpected
Cat Cartoons
Watch Cute Puppies
Listen Cover Music
Mr. Denjiros Happy Energy!
0
posted by
dcerykm
Why We Can't See the Far Side of the Moon / Mr. Denjiro's Happy Energy! #805 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 32,444 views 2 days ago 3 minutes, 6 seconds
The Mechanism behind a Siren / Mr. Denjiro's Happy Energy! #804 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 131,713 views 9 days ago 3 minutes, 6 seconds
The Law of Increasing Entropy / Mr. Denjiro's Happy Energy! #803 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 246,391 views 2 weeks ago 3 minutes, 1 second
Making a Thermometer / Mr. Denjiro's Happy Energy! #802 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 75,203 views 3 weeks ago 3 minutes, 1 second
静電気はふしぎ/ Static electricity is mystery by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 26,948 views 3 weeks ago 8 minutes, 20 seconds
The Geiger Counter / Mr. Denjiro's Happy Energy! #801 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 302,100 views 4 weeks ago 3 minutes, 1 second
Vacuum-Insulated Cups / Mr. Denjiro's Happy Energy! #800 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 105,360 views 1 month ago 3 minutes, 1 second
Atlatl: A Weapon of Ancient Times / Mr. Denjiro's Happy Energy! #799 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 1,007,299 views 1 month ago 3 minutes, 1 second
The Magic of the Will-O'-the-Wisp / Mr. Denjiro's Happy Energy! #798 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 148,527 views 1 month ago 3 minutes, 1 second
家で簡単実験②/Experiments you can do at home by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 34,351 views 1 month ago 8 minutes, 20 seconds
Sunburn and UV Radiation / Mr. Denjiro's Happy Energy! #797 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 177,002 views 1 month ago 3 minutes, 1 second
Stone on Stone: Starting a Fire / Mr. Denjiro's Happy Energy! #796 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 92,921 views 2 months ago 3 minutes, 1 second
風船の科学/The Science of Balloons by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 54,282 views 2 months ago 8 minutes, 20 seconds
Water Vapor Explosion / Mr. Denjiro's Happy Energy! #795 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 803,410 views 2 months ago 3 minutes, 1 second
How Cassette Tapes Work / Mr. Denjiro's Happy Energy! #794 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 104,304 views 2 months ago 3 minutes, 1 second
ゴムは面白い/Rubber is interesting by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 129,937 views 2 months ago 8 minutes, 20 seconds
Ballista: The Ancient Weapon / Mr. Denjiro's Happy Energy! #793 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 545,149 views 2 months ago 3 minutes, 1 second
The Science behind Water Repellency / Mr. Denjiro's Happy Energy! #792 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 173,482 views 3 months ago 3 minutes, 1 second
科学クッキング/science cooking by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 95,067 views 3 months ago 8 minutes, 20 seconds
Boom! The Thermite Reaction / Mr. Denjiro's Happy Energy! #791 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 293,084 views 3 months ago 3 minutes, 1 second
Fly Straight with the Gyroscopic Effect! / Mr. Denjiro's Happy Energy! #790 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 266,775 views 3 months ago 3 minutes, 1 second
科学マジック/science magic by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 41,604 views 3 months ago 8 minutes, 8 seconds
Start a Fire like the Iceman / Mr. Denjiro's Happy Energy! #789 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 160,176 views 3 months ago 3 minutes, 1 second
Casts and Cast Saws / Mr. Denjiro's Happy Energy! #788 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 517,718 views 3 months ago 3 minutes, 1 second
遊びの科学/science of play by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 47,565 views 4 months ago 8 minutes, 20 seconds
Bolas: An Ancient Weapon / Mr. Denjiro's Happy Energy! #787 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 941,104 views 4 months ago 3 minutes, 1 second
Sewing Machines that Operate Needles and Threads / Mr. Denjiro's Happy Energy! #786 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 80,254 views 4 months ago 3 minutes, 1 second
水のチカラ/The Power of Water by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 122,569 views 4 months ago 8 minutes, 20 seconds
Cooking with Mr. Denjiro! Electric Bread/ Mr. Denjiro's Happy Energy! #785 by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 98,390 views 4 months ago 3 minutes, 1 second
石の中の結晶！ジオード／ Geodes: Rocks with Crystals Inside by でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy! 145,617 views 4 months ago 3 minutes, 1 second
Recommended
Puppies React To Mirrors & It's Hilarious!
01:11
When A Voice Speaks Louder Than The Words It Says
01:13
To Give Or To Receive: The Science Of Giving
02:20
Creative Way To Spend A Weekend!
04:49
Synchronized Skydive in Dubai - True Must See
01:19
Buy 1, Get 3 - And This Time It's Not A Prank!
04:42
Will Your See Your Reflection In A Penguins Mirror?
02:22
10 Life Hacks You Need To Know For Christmas!
05:26
What Is Hurricane Compared To Slayer's Music?
00:10
New Car For The Mom!
17:53
