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This is Scientific American's 60-Second Tech. I'm Larry Greenemeier. Got a minute?

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Competitions, contests and challenges have become a potent way to inspire and fund innovation.

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The X PRIZE alone is shelling out tens of millions of dollars to incentivize scientists and engineers to develop new medical technologies, study the oceans and explore the moon.

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Now one of the more unlikely competitions out there seeks to make firearms safer.

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What's called the Smart Tech Challenges Foundation last month launched its Firearms Challenge.

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The goal: find technology that reliably authorizes approved use and blocks the unauthorized use of guns and ammunition.

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So-called smartguns have been in the works for years but haven't gotten much traction.

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The German company Armatix makes an intelligent pistol that requires the shooter to wear a special radio-frequency-ID-equipped wristwatch to activate the weapon.

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Ireland's TriggerSmart likewise makes a gun unlocked by radio waves, as long as the shooter wears a special ring.

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Other companies rely on fingerprints and other biometrics or even sensors and smartphone apps to unlock their weapons.

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Questions about the reliability of such high-tech weapons and, of course, politics have kept them from catching on the U.S.

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But efforts to improve firearm safety, including via smartguns, are worth a shot.

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Thanks for the minute, for Scientific American's 60-Second Tech. I'm Larry Greenemeier.

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