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.

Crushing ice for a frozen cocktail? Reach for a full-sized blender. Need a quick smoothie for your morning commute? Break out your personal-sized blender, then hit the road with its on-the-go jar. But ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...