Tractor Beams May Actually Work: NASA Studying 3 Methods
Tuesday, November 1, 2011 - 16:00
in Physics & Chemistry
Long known in science fiction, tractor beams may be used by NASA probes to pull in tiny particles for scientific study. “optical tweezers,” “optical solenoids,” and “Bessel beams” are each under study by NASA’s Innovative Advanced Concepts program.