science
The Maths Behind the Perfect Climbing Rope

Rock and mountain climbers rely on strong, yet elastic ropes to keep them safe should they happen to fall. Now mathematicians at the University of Utah have come up with an equation to design an ideal climbing rope—one that would be safer and more durable. They described this perfect rope, and a promising class of materials that might be used to make it, in a recent paper in the Journal of Sports Engineering and Technology. Read More >>

science
This Clever Material Can Remember Hundreds of Past Shapes

Ever got off track working on origami (who hasn’t?), and wished you could figure out how to undo your last few folds? There’s a clever new material that might be able to help. It can revert to literally hundreds of earlier shapes by memory. Read More >>