Copper is non-magnetic, though it creates resistance in the presence of a strong magnetic field, causing the magnet to halt for a moment before it even touches the copper.

The spark in the macroscope.

The law of inertia has "left the chat room"

The freezing of distilled water

Since it has no center of crystallization, this water does not freeze. Once we shake the bottle, though, some air sinks into the water and forms the center of crystallization, then the water crystallizes.

Shoes that can be made suitable for winter walks

A giant african snail, which can grow to be 30 cm in length. They feed on more than 500 types of plants, including peanuts, beans, peas, cucumbers, and melons.

Photographer attempts to get a bunch of F-15's to line up for a cool shot

A Dutch athlete receives a portrait of Adolf Hitler as a sports prize, presented by General Otto Schumann, commander of the Ordnungspolizei. The Hague, The Netherlands, 1941.

knocking morning dew off hail netting in NSW, Australia

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.