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

Artificial Intelligence News & Technology on Instagram: "C Ray is an amphibious robot built for real world missions. It inspects reefs, maps the ocean floor, and monitors marine ecosystems without harming wildlife. It can detect underwater mines, collect data under ice, and explore areas unsafe for humans. Using flexible fins instead of propellers, it moves quietly and efficiently through water and over land. With autonomous control and advanced sensors, C Ray supports research, defense, and env