Many do-it-yourself projects involve climbing a ladder — painting walls, cleaning gutters, changing batteries in smoke detectors, hanging lights and decorations, changing light bulbs, installing fans ...

Walls are surmountable obstacles by design. A barrier between what is in and what is out needs some way to be permeable, when the finite contents of what is inside a wall is not enough to sustain the ...

The ANYmal quadruped robot not only walks on four legs, it can also roll on four wheels, stand up, throw boxes, and make its way up and down stairs. As if all that wasn't enough, the thing can now ...