The best science and technology pictures of the week

News imageReuters A Japanese toymaker watches the world’s smallest infrared remote-controlled helicopter hover in front of him, ahead of the International Toy Show in Tokyo. (Copyright: Reuters)Reuters
A Japanese toymaker watches the world’s smallest infrared remote-controlled helicopter hover in front of him, ahead of the International Toy Show in Tokyo. (Copyright: Reuters)

The most impressive pictures this week from the worlds of science and technology, including astronaut photography, a tiny helicopter and a hovering bicycle.

More stunning image galleries:

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