A radio for dark matter

Instead of searching for dark matter particles, a new device will search for dark matter waves. Researchers are testing a prototype "radio" that could let them listen to the tune of mysterious dark matter particles. Dark matter is an invisible substance thought to be five times more prevalent in the universe than regular matter. According to theory, billions of dark matter particles pass through the Earth each second. We don't notice them because they interact with regular matter only very weakl...