What is abra cadabra?

Score: 4.2/5 (55 votes) Abracadabra is an incantation used as a magic word in stage magic tricks, and historically was believed to have healing powers wh...

Why is oil rainbow?

Score: 4.8/5 (50 votes) Most often seen in recently made puddles on the sides of roads, the oil refracts light much the same way a rainbow does. Simply p...

How do micromotions work?

Score: 4.3/5 (5 votes) The Coriolis Effect Coriolis Effect The Coriolis force acts in a direction perpendicular to the rotation axis and to the velocity ...