At first glance, these look like machined brass blocks left behind by a highly advanced civilization. They are actually completely natural Pyrite (fool's gold) crystals that form into near flawless, intersecting cubes as they grow in the earth.
The jobs no one wants are going to robots
Meet Reflex, a robot from a Brooklyn startup already hauling heavy loads in warehouses and even cleaning bathrooms.
The future of work is changing
Chladni Patterns turn sound into sight.
When a plate vibrates, sand gathers along still points, revealing geometric shapes formed by standing waves. Named after Ernst Chladni, these patterns change with frequency.