The trebuchet, a device that terrified the ancients, could hurl a 300-pound boulder 400 meters. Do y

Maklum balas
Laporan

0 View PremiumSep 29, 2025

Repost is prohibited without the creator's permission.

0 Pengikut · 417 Videos

Disyorkan untuk anda

Semua
Anime

The slowest aircraft in the world, F1D, has a thin layer of material, but can fly in the sky for 40

3:00

The slowest aircraft in the world, F1D, has a thin layer of material, but can fly in the sky for 40

2 Views

Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

0:33

Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

9 Views

"Who on earth is raising these adorable cats?!"

6:20

"Who on earth is raising these adorable cats?!"

11 Views

Decompression video of the workers series!

4:07

Decompression video of the workers series!

28 Views

If you often watch videos, you don’t know how terrible the job of a porn appraiser is!

1:33

If you often watch videos, you don’t know how terrible the job of a porn appraiser is!

152 Views

Why doesn't it hurt when a needle is stuck in my finger?

1:26

Why doesn't it hurt when a needle is stuck in my finger?

14 Views

The ancient navigational tool "Sextant" is still in use today! Do you know how it works?

2:34

The ancient navigational tool "Sextant" is still in use today! Do you know how it works?

0 View

What is "cushion paper"? Gently pull out the honeycomb grid, which could replace plastic packaging!

2:45

What is "cushion paper"? Gently pull out the honeycomb grid, which could replace plastic packaging!

0 View

The incredible "Puff Boat" can move forward by lighting a candle. Do you know the principle?

2:50

The incredible "Puff Boat" can move forward by lighting a candle. Do you know the principle?

0 View

How does a microwave oven heat something? Why can't you put metal in a microwave?

3:03

How does a microwave oven heat something? Why can't you put metal in a microwave?

0 View

The roller itself is hollow, so how can it generate 60 tons of high pressure? The secret lies within

2:34

The roller itself is hollow, so how can it generate 60 tons of high pressure? The secret lies within

1 View

What is a "Peano curve"? Is it one-dimensional or two-dimensional if you use a line to fill in a squ

3:28

What is a "Peano curve"? Is it one-dimensional or two-dimensional if you use a line to fill in a squ

1 View

A question that has puzzled people for many years: Why does paper become transparent after being sta

2:42

A question that has puzzled people for many years: Why does paper become transparent after being sta

2 Views

The ocean is full of water—how on earth are underwater tunnels built? After watching this, I can't h

3:32

The ocean is full of water—how on earth are underwater tunnels built? After watching this, I can't h

0 View

What is "wheel suspension"? Put a pen on the wheel and something interesting happens.

2:44

What is "wheel suspension"? Put a pen on the wheel and something interesting happens.

0 View

What is the principle of this operation?

0:43

What is the principle of this operation?

haoyongwujingongju

0 View

An incredible scientific phenomenon: two circles have different diameters, but why do they roll the

2:02

An incredible scientific phenomenon: two circles have different diameters, but why do they roll the

0 View

How do trains operate in snowy weather? A "plow" is installed on the locomotive, and an interesting

2:32

How do trains operate in snowy weather? A "plow" is installed on the locomotive, and an interesting

0 View

The incredible "Paternoster Elevator" has no doors and never stops. Do you know how it works?

2:18

The incredible "Paternoster Elevator" has no doors and never stops. Do you know how it works?

0 View

The incredible "dry brewing table", pour tea on the soil, and interesting phenomena will happen!

2:01

The incredible "dry brewing table", pour tea on the soil, and interesting phenomena will happen!

0 View