Electric tractors are on their way to work in rural Oregon. They are part of a project to expand electrification in the transportation sector, a demonstration to prove out operational and other ...

Scientists built a working tractor beam—the first example of one that pulls objects visible to the naked eye. The tests were in highly controlled laboratory experiments. A tractor beam like this one ...

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.