Imagine a robot walking a single lap of a knotted track in three dimensional space. There is a simple algorithm that allows the robot to disconnect and reconnect the track in such a way as to undo the knot.
A robot that unknots knots
·
Imagine a robot walking one loop of a closed-circuit outdoor track. At certain points on the track, there are bridges where the track passes over itself, but the track never intersects itself anywher…
Share this post