0 View PremiumSep 4, 2025
Mose lamp, such a brilliant and ingenious invention in the world!
1 View
What is hot ice? Do you know how your palm freezes quickly when you put it in liquid?
31 Views
Do you want to play with your sister? ❤
17 Views
Evolution of Puss in Boots in Movies (1961-2022)
18 Views
Small workshop, big stuff! 142
333 Views
The saddest moment for STEM folks: You spent an afternoon proving that my months of work were all fo
8 Views
Digital life: I’ll delete my account as soon as I’ve sent all the comments.
14 Views
A seven-year-old girl is being courted by top universities simply for solving a single math problem.
How dangerous is it really to reach the summit of Mount Everest? Why does Everest have two "heights"
9 Views
What is a semiconductor? What are semiconductors used for? A 3-minute guide to understanding semicon
6 Views
How does the Dujiangyan Irrigation System work? How did this 2,300-year-old water conservancy projec
11 Views
What is the principle behind submarines? What's the difference between nuclear and conventional subm
The incredible "Diamond Mud" - stick it on the metal gap and a magical phenomenon will happen!
4 Views
The incredible "abrasive flow" squeezes the fluid out of the tube. The picture is so sour.
The incredible elastic tunnel plug inflates into an air bag in half an hour to block the influx of f
How do aircraft take off from and land on an aircraft carrier? An animated explanation of the princi
What is "riveting"? Why do airplanes use millions of rivets instead of welding?
0 View
Why do we need to apply "glue" to handball, a sport with extremely high viscosity?
Why do wingtip upturns on airplanes help you save on ticket prices? Let's start with fluid dynamics.
The incredible "pumice" can float on the sea for 20 years. Do you know the principle?