The Roborock Saros Z70 is the first-ever robot vacuum with mechanical arm and advanced object recognition, so it can tidy up ...

It's a game a lot of us played as children -- and maybe even later in life: unspooling measuring tape to see how far it would extend before bending. But to engineer, this game was an inspiration, ...

Steel measuring tape is an interesting material, in that it's rigid enough to hold its shape when extended, but flexible enough that it gives way under pressure. Scientists have taken advantage of ...