Can a Fresnel lens melt HRB400 rebar?

Fresnel lens vs. Obsidian

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Water will flow uphill

37 Views

Scientific Experiment

36 Views

Good guy, there will be no need to build bridges in the future.

42.5K Views

Let him post for 3 days first～

54 Views

Releasing an ant queen in a crowd of hungry mosquitoes, how will it end?

101.7K Views

A tool men can’t refuse

25 Views

The Magical World

60 Views

Homemade Fly Trap

371 Views

Pepsi: Huh? ? ? ? ? ? ? ? ?

330 Views

The “Speed Bump Man”: An Irresistible Mechanical Charm

43 Views

How do you weld a large pipe to a small pipe?

51 Views

Nice green tongue ice cream physics

18 Views

It turns out that mice don’t communicate with each other, and the last one was so miserable

289.6K Views

Experiment: Coca Cola VS Mentos

9.8K Views

Aileima: Amazing! Acrobatic flying hollow cabbage—showing off tricks, a pilot among vegetables.

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After reading this, you will understand how terrible the biochemical experiment of Unit 731 is.

116 Views

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

2.6K Views

High Voltage Toys 9

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The hydraulic press violently decompresses! ! !

11.7K Views