51:40

Building a rocket launch site in the mountains the benefits are visible to the naked eye why not

47:32

Why does the high-speed railway which can circle around the equator of the earth always walk on t

48:31

Harrier fighter is unusual. How strong is the vertical take-off and landing method? Can make a forc

51:36

Submarines can also carry aircraft? In order to burn the war to the United States Japan developed

40:55

Distributed photovoltaic power station will become the next outlet of solar energy utilization but

51:07

A mortar that cannot be fired in a straight line needs to be aimed at. What is the secret of aiming

51:51

Is the surplus electricity from the power plant saved or wasted? What is the reason behind it [Uncl

49:31

Carbon dioxide can be made into gasoline the cost as long as 3 yuan a liter really]

47:02

In the 21st century tanks still need to be started by hand? How to start a tank scientifically? [U

52:03

Even glass is also metal this new alloy material is 20 times more elastic than steel or will ushe

45:02

In order to improve the safety of the plane the plane is made of rubber inflatable? Can it still f

50:02

How was the Nord Stream Pipeline the world's largest natural gas pipeline laid at the bottom of t

53:28

The experiment of the new recoverable rocket failed but the pace was getting faster and faster. Th

46:06

SpaceX to change the life of the space suit? The first private spacewalk billionaire in human histo

47:38

Radar looks harmless to humans and animals and is indeed developed as a lethal weapon. What happen

46:42

The hit rate of the missile is too low. Train pigeons into pilots? This is not a brain hole it is

46:02

Why are submarines all black? Isn't blue better to hide? You probably can't imagine the real reason

44:51

Russia's ”dagger” from the actual combat effect really can be regarded as a real ”hypersonic miss

48:03

In fact the cabin door of the plane is not locked so anyone can open it? What if you meet a mob a

45:23

The border on the plateau is in conflict can the tanks drive up? Can the tanks still breathe norma

46:22

As the most advanced naval weapon how does the torpedo hit the target? Tell you with a simple anim

45:44

The plane flew over the moon and blew up the dust on the moon. How did you do it with a difference

45:56

In order to prevent tail wiping airliners always have to kick their feet before taking off? Look a

45:51

India's rocket turned out to be boiling water you dare to believe it? Dare to dare to do again bri

41:29

Why is there a loud fart noise when a large truck brakes? Just look at the principle and you will u

48:37

The engine that drives the plane to fly close to the speed of sound the blades inside are actually

47:59

Does the cell phone really explode at the gas station? The regulations have been around for a long

39:30

The only function of flying in the airplane mode is to save electricity? What problem is the flight

46:54

Everyone knows the truth about stealth planes that can be seen but cannot be hit. Why can't they be

46:45

Is controllable nuclear fusion a big joke in the energy industry or a future star? Can it really so

42:34

What is the importance of the inlet of a supersonic fighter? In order to prevent ”nasal congestion”

40:29

King Kong Barbie who is known as the water can drag more than 1000 times the behemoth. How does a

41:19

The aircraft carrier used to be full of small holes but now it has disappeared. Can you guess the

46:13

The Boeing 7J7 an airliner you may not have heard of also has a strange engine

53:20

How does a brushless motor work?# Motor# Brushless Motor# rc Model

51:17

Put the car engine on the plane can it still fly? Will the speed break through the limit!?

47:34

Folding is not enough. They made the plane inflatable. Can this thing really fly?

41:37

Boeing's Brain: Is it fantastic or unrealistic to replace the rocket launcher with F-15?

01:06:01

NASA的垂直回收火箭，比SpaceX星舰早了30多年，为什么没能成功制造出来呢？！【科学火箭叔】

43:03

Why were the fighters over the Pacific and over Europe different during World War II?

41:52

Lockheed's paper plane-the nuclear-powered aircraft carrier# Skunk Works# plane

01:06:28

Building flying saucers where only aliens patent! More than half a century ago humans also tried

48:09

太空探索与核爆还有关系？！爆炸式火箭推进助力太空事业，这里面是什么原理！？【科学火箭叔】

55:15

If you float a wind power station hundreds of meters high on the sea you are not afraid of being b

36:38

Raptor 3 Generation Hanging Global?# Rocket Engine# SpaceX# Elon Musk# Rocket

56:22

What is the ”dark shirt” on the starship? Can it jump over the somersault of the space shuttle?

49:50

F-22 who is only 25 years old is about to retire? As the absolute main force in the US Air Force

49:32

A top-secret flight 70 years ago almost turned into a desperate flight. What is it?

48:44

Magnetic Fluid Propeller How to Make Submarine Completely Silent# Knowledge Popularization# Scienc

55:47

这架战斗机居然接住了射出去的炮弹，史上唯一将自己击落的战机，格鲁曼F11-老虎是如何做到的？【科学火箭叔】

57:46

[Uncle Rocket] Pulling 1000 times the behemoth why is the tug so strong?# Science and Technology A

51:35

What is a little stone into gold a little ”oil” into gold T-54 the treasure in the oil tank

46:43

What if the plane doesn't stop? Then tie the rocket! Let the transport plane take off and land smoo

53:10

Put oil in the wing why does the plane do this? Let me explain the reason to you once.

51:14

What the hell is a swinging turret?# Tank# Military Science and Technology# Revelation of Science a

55:29

There are quite a few exotic planes X-29 did they grow up like this on purpose or did someone pac

53:07

If you don't agree you'll be cut off. Why does this fighter known as the ”flying chain saw” exis

51:03

Why did the most unprofessional bombers in World War II put ”hula hoops” on their bodies?

50:08

The high temperature of 3000 degrees the hot air from the rocket nozzle why didn't you melt yours

48:12

Is it the most handsome fourth-generation aircraft-Su-27?# Fighter# Aircraft# Aviation Science Popu