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A robotic hand can juggle a cube - with lots of training

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© The Associated Press   This undated photo provided by OpenAI shows a robotic hand holding a cube at the company's research lab in San Francisco. The hand, called Dactyl, has a single job, and that’s to rotate a cube until the letter facing up matches a random selection. (Eric Louis Haines/OpenAI via AP)

By RYAN NAKASHIMA, Associated Press

How long does it take for a robotic hand to learn to juggle a cube?

About 100 years.

That's how much virtual computing time it took researchers at OpenAI to train its disembodied hand. OpenAI is the nonprofit artificial-intelligence lab funded by Elon Musk and others.

The hand, called Dactyl, has a single job: to rotate a cube until the letter facing up matches a random selection.
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Every movement that brings the cube closer to the goal gives the robot software a small reward. Dropping the cube gives it a penalty.

In real life, researchers worked about a year to get the hand to the point of about a dozen successes in a row.

The success demonstrates how robots trained in a virtual environment can operate in the real world.

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Technology - U.S. Daily News: A robotic hand can juggle a cube - with lots of training
A robotic hand can juggle a cube - with lots of training
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Technology - U.S. Daily News
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