Calibrators from deep space tune high-tech earthbound physics experiments
Thursday, August 1, 2013 - 08:00
in Physics & Chemistry
Hold out your hand: Look closely. If you're outside on a sunny day, you might see dust motes and pollen dance in the air, perhaps landing on your skin, and bright rays of sunlight peek between your fingers. To the naked eye, your skin provides a barrier between your body and these exterior elements. The light refracts around your palm, not through it.