Fire + solder PIC-60 + water

Certain materials feature a shape memory effect — after deformation, they return to their original shape when heated.

Such a property is due to its superelasticity. Titanium nickelide, as an example, has this quality. Similar materials are quite practical and can be used in a wide range of areas, from space to medicine.

Spinning a skateboard wheel at 400 mph

Ernest Shackleton’s advertisement for the expedition to the south pole

Around half of all zippers in the world is made by a Japanese company called YKK. Take a look at some of your zippers and i bet some of them says YKK on it!

Portion of a Roman Aqueduct made out of hand-carved marble. The pieces fit together tightly enough to be airtight, and act as an "inverted syphon", carrying water down one side of a valley and up the other.

This photograph was taken seconds before the red car explodes, killing everyone including the photographer. Miraculously, the man wearing yellow and the kid survive.

https://en.m.wikipedia.org/wiki/Omagh_bombing

Induction heating

A method of non-contact heating with high frequency and high magnitude currents of electrically conductive materials.

Iranian woman in the era before the Islamic revolution, 1960.

Sound pressure is the variable overpressure that occurs in an elastic medium when a sound wave passes through it.

Grasp reflex of a newborn

Just a picture of Justin Trudeau's mothers gaping vagina

North Dakota buried under snow, 1966

The United States accidentally dropped a nuke in North Carolina and it was found hanging on a tree, luckily not detonated.

The same room, same angle, 100 years apart. Titanic.

Male dromedary camels has an organ called a dulla in its throat, a large, inflatable sac he extrudes from his mouth when in rut to assert dominance and attract females.

This Ground to Cloud lightning (sometimes called Upward Moving lightning) in Australia

You may not see the mountain lion, but the mountain lion sees you