China's Robot Troops Near India Border, Human-like Movements Catch Attention

Remarkable Facts on Instagram: "Follow @remarkable.facts if you want to get smarter every day. -------------- The Rubik's Cube, a revolutionary three-dimensional puzzle invented in 1974, presents a complex combinatorial problem. Initially conceived as a teaching tool for spatial relationships, this seemingly simple object comprises a series of interlocking pieces that can be rotated along three axes. The core challenge lies in its state space, a vast number of possible configurations that, for t