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This is Scientific American 60-Second Space. I'm Clara Moskowitz. Got a minute?

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Thousands of energetic particles called cosmic rays fly right through our bodies every second without us ever noticing.

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Now scientists want your help to track this radiation from space in a massive citizen science project by using your smartphone.

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Physicists don't know for sure where cosmic rays come from,

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but they suspect supernovae and powerful black holes are involved.

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Although we're bombarded with the particles, the very highest energy cosmic rays are rare.

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Studying them has therefore been difficult.

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But it turns out that smartphone cameras are actually good at detecting them.

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When these especially energetic rays hit Earth's atmosphere they create a shower of other charged particles.

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These particles hit a camera's sensor, resulting in one bright pixel against a dark background.

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If enough phones in the same area see particles, scientists can recreate the cosmic ray's path through space.

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You can take part in the project through an app called CRAYFIS (for Cosmic Rays Found in Smartphones).

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CRAYFIS only operates when a phone is plugged into a power source and not otherwise being used, so it will not drain your battery.

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Imagine: between Candy Crush and Facebook sessions, your phone can help unravel the mysteries of the universe.

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Thanks for the minute, for Scientific American 60-Second Space. I'm Clara Moskowitz.

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