Because a real-life tractor beam is currently under development at the University of Colorado Boulder, with the goal of eventually helping to clean up space junk. Space debris is a serious issue ...

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.

Researchers are developing a real-life tractor beam, with the goal of pulling defunct satellites out of geostationary orbit to alleviate the space junk problem. When you purchase through links on ...