Scientists show that it is possible to distinguish between left-handed and right-handed people by noninvasively monitoring just their brain activity during passive tactile stimulation. These results are key in haptic research (the study of sensory systems) and have various important implications for brain-computer interfaces, augmented reality, and even artificial intelligence. (1)

Raise your hand. Clap. Look in the mirror.

(Does the mirror look back?)

Stop laughing. Have you ever wandered?

How can you see which hand you have raised if you are crying?