Add Yahoo as a preferred source to see more of our stories on Google. In a discovery that challenges conventional optics, scientists have managed to make a laser beam cast its own shadow—a feat ...

Scientists may have discovered how to create a real-life tractor beam using electromagnetic radiation that can draw particles toward it. The result is something very akin to the tractor beam seen in ...

For SF works like "Star Wars", as a technique to attract spaceships and luggageTractor beam"Will appear. In reality, we succeeded in making a tractor beam that floats objects by floating ultrasonic ...