Tagged With shape memory alloys

Stretch a Slinky toy too far, and eventually the metal coil will be warped so much it won't be able to return to its original spring shape. That's a problem also faced by the metal spring tyres designed to roll across our Moon, and other planets our rovers are exploring. But NASA has created an alternative, made from titanium, that can tackle any terrain and always return to its original tyre shape.

Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.

One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.

Stretch a Slinky toy too far, and eventually the metal coil will be warped so much it won't be able to return to its original spring shape. That's a problem also faced by the metal spring tyres designed to roll across our Moon, and other planets our rovers are exploring. But NASA has created an alternative, made from titanium, that can tackle any terrain and always return to its original tyre shape.