01:01

不可思议的“悬浮雨伞”，走到哪跟到哪，彻底解放双手

01:01

不可思议的“变形桌面”，有了它，电脑里的人可以隔空摸你

01:10

火车没有方向盘和差速器，那它是如何转弯的？工程师真的好聪明！

01:11

不可思议的反推器，用两块钢板挡住发动机，就能帮助飞机刹车

01:11

磁铁是如何制作的？磁力不会消失，那能量从何而来？

01:06

冷却塔里的回声，气球爆炸像打雷，在冷却塔里演奏是什么效果？

01:06

为什么瑞典人抗洪不用沙袋，而是用一块红色的薄塑料板？

01:06

Why Swedes don't use sandbags to fight floods but a thin red plastic board?# Technology

01:05

When toothpicks are delicious food Koreans really dare to eat anything!# Increase Knowledge# Inter

01:04

When toothpicks are delicious food Koreans really dare to eat anything! Even received a warning fr

01:08

Incredible cold energy to generate electricity using liquefied natural gas to freeze propane rely

01:08

Incredible cold energy to generate electricity with liquefied natural gas to freeze propane rely

01:04

It's no exaggeration to make fake blood. How is fake blood made?# Science Experiment# Chemistry

01:04

It's no exaggeration to make fake blood. How is fake blood made? Incredible scientific experiment

01:11

Textbook design how was the Statue of Liberty built? Restore the whole process of the statue's con

01:11

Textbook design how was the Statue of Liberty built? Restore the whole process of the statue's con

01:04

If you are accidentally buried alive how can you save yourself? After watching the increase in kno

01:04

If you are accidentally buried alive how can you save yourself? After watching the knowledge

01:13

Incredible cardiac arrest mechanical arm people flying in front and chasing behind who can stand

01:13

The incredible cardiac arrest mechanical arm people flying in front and chasing behind who can st

01:04

Textbook-style design how was the White House built and how safe is it?# White House

01:04

Textbook-style design how was the White House built and how safe was it?

01:13

Why can't intercontinental ballistic missiles be intercepted? How is the missile launched? Is there

01:13

Why can't intercontinental ballistic missiles be intercepted? How is the missile launched? Is there

01:12

Why does the front hatch pop up when the space return module lands? Just to make the astronauts mor

01:12

Why does the front hatch pop up when the space return module lands? Just to make the astronauts mor

01:13

How does a lightsaber work? Recreate the lightsaber from Star Wars to see how powerful it is?

01:13

How does a lightsaber work? Recreate the lightsaber from Star Wars to see how powerful it is?

01:14

How strong is the human engine and heart? Reveal the working principle of the human circulatory sys

01:14

How strong is the human engine and heart? Reveal the working principle of the human circulatory sys

01:05

Even hard teeth can corrode how strong is stomach acid? And why doesn't it dissolve the stomach?

01:05

Even hard teeth can corrode how strong is stomach acid? And why doesn't it dissolve the stomach?

01:09

How powerful are flash bombs? If someone throws a flash bomb at you can you cover it with your han

01:09

How powerful are flash bombs? If someone throws a flash bomb at you can you cover it with your han

01:19

The most desperate way to die stuck in the cave for 27 hours eventually suffocated to death

01:19

The most desperate way to die stuck in a cave for 27 hours eventually suffocated to death

01:05

The most dangerous festival in the world a hammer down in situ explosion people are happy to incr

01:05

The world's most dangerous festival a hammer down in situ explosion but people enjoy it

01:04

The ”chess robot” invented two centuries ago has become famous in Europe. How powerful is it?

01:04

The ”chess robot” invented two centuries ago has become famous in Europe. How powerful is it?

01:15

Textbook design cable car system inside St. Louis arches

01:15

Textbook design cable car system inside St. Louis arch# popular science# technology

01:12

3D animation demonstration what is the inside of the Eiffel Tower? After watching admire the wisdo

01:13

3D animation demonstration what is the inside of the Eiffel Tower like?# Popular Science# Shake in

01:03

The incredible ”vertical wind tunnel” laboratory can rub out tornadoes. What's going on?

01:03

The incredible ”vertical wind tunnel” laboratory can rub out tornadoes. What's going on?

01:02

How to make ion thrusters at home? In fact the method is very simple

01:02

How to make an ion thruster at home? In fact the method is very simple# ion thruster

01:13

Bubbles can also cause ships to sink? Injecting bubbles into the water an interesting phenomenon o

01:13

Bubbles can also cause ships to sink? Injecting bubbles into the water an interesting phenomenon o

01:05

Incredible bow and arrow thrower how did the ancients throw arrows? In fact the principle is very

01:05

Incredible bow and arrow thrower how did the ancients throw arrows? In fact the principle is very

01:13

Incredible transparent fuel tank whether there is oil or not just look at the fuel tank to know#

01:13

Incredible transparent fuel tank whether there is oil or not just look at the fuel tank

01:22

How to make a small rocket at home? Using white sugar as propeller fuel it can fly so far!

01:22

How to make a small rocket at home? Using white sugar as propeller fuel it can fly so far!

01:19

Several kinds of motorcycle anti-theft lock test one of the methods is really brain-opening

01:02

How to make ”synthetic gold” made of copper which can be made of genuine Nordic gold at home?

01:09

”Caesarean section” is how? 3D animation simulation of the whole process take you to understand th

01:27

How are small buttons made? Visit the button factory and learn about the whole process in one minut