The way someone walks, talks, smiles, or gestures gives a clue to who they are. Whether through the flick of an eyebrow, the ...

One of the most obvious aspects of these conversations are the wide variety of hand movements that people make while they speak. So, what are we doing with these hand movements?

An experimental new wearable could allow people such as stroke victims to communicate via subtle hand movements. The device takes the form of a relatively thin patch that is temporarily adhered to ...