The quest for a real life tractor beam continues, with a 2-micrometer-thick silicon light bender. The silicon metasurface changes a solid beam into a triple spiral one that can pick up particles.

Add Yahoo as a preferred source to see more of our stories on Google. Rustic ceiling beams in a modern style home - Sheila Say/Shutterstock There are those lucky few who happen to have a home ...

A practical guide to creating building beams from recycled plastic waste. Trump mocks Obama after judge orders Kennedy Center name removal Multiple victims dead, officer shot in 'traumatic' domestic ...