Space tractor beams may not be the stuff of sci-fi for long

On Feb. 10, 2009, disaster struck hundreds of miles above the Siberian Peninsula. That evening, a defunct Russian satellite orbiting Earth crashed into a communications satellite called Iridium 33 moving at a speed of thousands of miles per hour. Both spacecraft erupted into a rain of shrapnel, sending more than 1,800 chunks of debris spiraling around the globe.