NASA has reinvented the wheel using a material that 'remembers' its shape

Mars destroys tires — so NASA reinvented the wheel by giving it a memory.Following is atranscript of the video. NASA has reinvented the tire. These rover tires are made from a nickel-titanium alloy. A material that can be deformed and return back to shape. The super-elastic material allows it to “remember” its original shape. Rover tire technology has come a long way. In the 1960s mesh tires were woven from piano wire. The technology worked well, but could only hold so much weight. In 2013...