Pressing a button appears easy, but the brain needs a probabilistic internal model to control a press. A new theory exposes significant improvements to button design that help gamers and musicians.

Its down-press cannot be as accurately controlled in time as with a push-button where the finger can rest on top of the key cap." Three scientific articles, "Neuromechanics of a Button Press," "Impact ...

When all you have is a finger everything looks like a button. But what happens if you’re unable to press buttons or, more likely, we begin using robots and other tools to interact with the real world?