Nasa and the amazing space printer


Nasa and the amazing space printer

Media captionWatch: The 3D printer will be sent to the International Space Station next month

If you have ever struggled getting hold of a spare part for an appliance, consider the astronauts on the International Space Station (ISS), where deliveries are not exactly regular, and postage is rather extortionate.

There has only ever been one way to get something into space: blast it up there. It is expensive - every ounce of weight costs thousands of pounds.

Read the full article...