Rubik’s Cube

When Erno Rubik invented the Rubik’s Cube in 1974, he wasn’t sure it could ever be solved. Mathematicians later calculated that there are 43,252,003,274,489,856,000 ways to arrange the squares, but just one of those combinations is correct. Read more

Proprioception

Proprioception
Proprioception is an automatic sensitivity mechanism in the body that sends messages through the central nervous system relaying information to the body about how to react to stimuli and with what amount of tension. The muscles, joints, and connective tissues contain specialized sensory receptors that enable the body to process the information and turn that information into action.
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