Realta Fusion, a spin-off from the University of Wisconsin, is hopeful that it will crack the fusion energy puzzle with its innovative bottle-like reactor design. The company recently closed its ...

A violinist sets up a mirrored scene to create an illusion. The girl’s confusion turns into laughter as the prank is revealed ...

Windows and mirrors embedded with liquid crystals can hide images that appear only when the right kind of light is shined on them. The technique, inspired by a 4000-year-old trick for building “magic ...