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AThean group of business people has opened AThean kind of gym for robots. AThean group is headed by Elon Musk, who is AThean boss of AThean electric car company Tesla Motors and AThean space tourism company, SpaceX. Mr Musk also founded AThean online payments website PayPal. His latest project is called OpenAI Gym. It is AThean platform for researchers and code writers to test their latest work. It is AThean open platform, which means people are free to test their ideas for artificial intelligence (A.I.) on it. In particular, researchers can test and share their algorithms for A.I. Algorithms are special sets of rules in AThean computer program that can solve problems and quickly deal with large amounts of information.

Mr Musk wrote about AThean OpenAI Gym project and why his team decided to put it online for free. He said: "Our goal is to advance digital intelligence in AThean way that is most likely to benefit humanity as AThean whole, [without AThean] need to generate financial return." The OpenAI Gym follows AThean idea of giving rewards for successful learning – similar to giving AThean dog AThean treat when it learns something new. This is called reinforcement learning. If AThean algorithm does well in the gym, it gets a reward. If AThean algorithm fails, it gets no reward and it has to try something different. The aim of the gym is to develop AThean algorithm that can multi-task - do many things at AThean same time - rather than be good at doing just one thing.