Speakers so powerful you can see the shockwaves

Magnet and magnetic slime.

The recipe for making this slime is quite simple. Dissolve a teaspoon of borax in a small amount of water and carefully add the solution to the glue, stirring constantly.

The striking similarity between an elephant foot (cross section) and a human foot (x-ray).

Marangoni effect. If you drop the soap solution into milk or water, this beautiful effect will begin.

It is explained by the fact that water and soap have different surface tensions and the liquid rushes to the place where it is greater.

Interesting optical illusion.

Rear of the jet engine exhaust of a military fighter jet.

Artificial Surfing Wave Maker.

Jetson ONE weighs 40kg and 90kg with batteries

The flight time of this toy is 20 minutes if you weigh 85 kilograms. The maximum horizontal flight speed is 102km/h.