It's called the Distributed Electronic Cosmic-Ray Observatory (DECO), and unlike the huge, multimillion-dollar particle detectors housed in labs, DECO allows smartphone owners to turn their phone into a pocket-size cosmic-ray particle detector by downloading two apps and sticking a piece of duct tape over the camera lens to block out light particles. "The apps basically transform the phone into a high-energy particle detector," Justin Vandenbroucke, a physics professor at the University of Wisconsin-Madison and creator of the apps, said in a statement. Cosmic rays are still a mystery to astrophysicists. Waves of cosmic rays are constantly breaking against the Earth's atmosphere.
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