What is "shellac"? You might have tasted this magical Indian glue, secreted by billions of insects!

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

2 Views

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

7.7K Views

Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin

10 Views

Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

36 Views

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

160 Views

There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

57 Views

Use inertia to remove parts. #PopularScience #Unzip #Inertia #SlidingHammer

16 Views

Why do we say that no two pairs of ripped jeans are exactly alike? #Science #Unzip #Jeans #Workers #

11 Views

How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

14 Views

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

13 Views

Why not use a high-pressure water gun to wash your car? #Science #Unzip #High-pressureWaterGun #CarW

16 Views

Why does glass crack along the scratch of a glass cutter? #Science #Unzip #Glass #Physics #Trivia

9 Views

Why is the blade of a gantry shear angled? #Science #StressRelief #HeavyMachinery #GantryShear #FunF

10 Views

The wisdom of the working people is to change the direction of force to move heavy objects. #Science

14 Views

2025 JD World Street Dance Finals, Song Haoming, the little brother, relaxed in Paris

25 Views

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

27 Views

Yao Lao and Jin Yin Er Long, are you here to make fun of me?

20 Views

Just go there.

11 Views

Why does steel slag when forging iron? #Science #Unzip #Forging #ExtremeComfort

18 Views

I've learned a lot! I always thought sperm extraction involved watching porn movies for visual stimu

41 Views