Incredible scientific phenomenon: Why is it necessary to add rosin when soldering? The effect is so

What is the principle behind submarines? What's the difference between nuclear and conventional subm

1 View

Manual Experiment: Friction Welding Wood (1)

455 Views

How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

35 Views

It is still more comfortable to weld while standing! A little extravagant! 30 grams of gold material

10 Views

This is the first time I saw a hydraulic press fail.

2.5K Views

Strong men VS. Strong fish

3.2K Views

Incest, but not completely

23 Views

The fifth year of being a VUP | "Song of Entrepreneurship"

33 Views

A millennium-old mystery—anyone who understands can step forward and explain it.

14 Views

The seam weld between the two screws is so large that the master welder can do it with a single elec

51 Views

The Fertilization Process of Sperm and Egg

22 Views

The beautiful CEO was so excited when she saw that the guy could actually weld steel plates with his

22 Views

Introduction to Traditional Group Farming Culture in Africa

54 Views

The most perfect revenge!

123 Views

What would Vikings do if they suspected their wives of cheating?

8 Views

Are the videos we watched fake? Has wild sex education been fooling us all these years?

146 Views

Even a single swipe with an eraser causes it to slip—don’t believe me? Try it yourself!

10 Views

You've never seen friction welding so perfect

76 Views

Why can silver cut ice in seconds? Put a silver bracelet on it and a magical phenomenon will happen.

0 View

Incredible "tubeless siphon", liquid can climb up the wall of the cup by itself, do you know the pri

2 Views