A couple of weeks ago we did a story about the Space Elevator - a hypothetical way of getting to space, by hanging a long cable from a satelite and sending lifts up and down it, writes Ben King.
It's a lovely idea, but it's slightly beyond the scope of modern technology to make it possible. But to encourage people to try and develop the technologies necessary, NASA has sponsored a competition.
That happened this weekend - university teams got together to see who could build the strongest cable, and the best robot to climb up it.
Sadly, none were quite good enough to claim the prize from NASA... But you can read the full story of the competition here. If you have no idea what we're talking about, it's probably best to watch our report first.
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