An interesting old item called "candle extinguisher" can extinguish candles at a designated location

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

lengkepu

1 View

Water will flow uphill

haoyongwujingongju

12 Views

Speed bump!! Amazing machinery~

jixiepangke

18 Views

Can ice bullets really withstand the high temperature of gunpowder and become invisible after being

dandingbiji

7.7K Views

The manga corresponding to episodes 10-11 of Musashi Re:Zero Season 2 (probably, I’m not sure)

tapashaのyiwaerdi

15 Views

Let's follow Mechanical Punk to explore the irresistible charm of machinery!

jixiepangke

10 Views

Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

haoqiwanhuatong

26 Views

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

d___iezatan

159 Views

Learn a few handy tips for hardware tools—don't miss out!

haoyongwujingongju

11 Views

If this continues, comic conventions won't need real cosplayers anymore

weigemowan

286 Views

The Fertilization Process of Sperm and Egg

Jinzhengmeiyongde

10 Views

Don't pick your belly button after taking a shower

sunshugongkufan

41 Views

When talking about her father, Liu Yifei's eyes welled up with tears. Although her parents are divor

xiaofuji___i

14 Views

This fish is so scary that it even dares to bite people while protecting its cubs!

quanzhilierentekaopu

46 Views

In case you haven't seen a scallop "walk", SpongeBob SquarePants is not kidding me

otis_arias_01

389 Views

The genius invented the "Mecanum Wheel"! Why can it move sideways, diagonally, and rotate in place w

lengkepu

0 View

Do you know all these geography facts?

wojiufanyixia

0 View

What is "vermiculite"? Burn a few stones with fire and an interesting phenomenon will occur.

lengkepu

0 View

Be Holy and righteous. No unclean can enter the kingdom of God

AMBERLEchan7

1 View

From uploading to being viewed, what does a video go through? [Bad Review]

chapingjun

0 View