How to Bend a Ray of Light

Everybody knows that light is made up of energy, and that it can pass through transparent materials and can travel only in a straight line. Wrong!First of all, due to its wave-particle duality - made famous through the work of Albert Einstein, Louis de Broglie and many others - light can exh... [ read more >> ]

Optical illusion

Image comment: Optical illusion

Optical illusion