The floating cube illusion [📹 Jeremiah Chiu] pic.twitter.com/cWEv…

A homopolar motor is very easy to build. You just need a battery, a magnet and some conductive wire The magnet provides a magnetic field that will interact with the magnetic field induced by the current in the wire.

Just 15 minutes after its closest approach to Pluto on July 14, 2015, New Horizons spacecraft looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains.

Did you know? The Earth's magnetic field deflects 1.5 million tons of solar material shoot off the sun at 100 miles per second EACH SECOND. [📹 NASA] pic.twitter.com/E9oo…

Worm charming, worm grunting, and worm fiddling are methods of attracting earthworms from the ground using vibrations, also practiced by animals. One common example is the "Seagull dance", which tippy taps to make worms come out of the ground.