At the Ronald Reagan UCLA Medical Center, a patient with Parkinson’s disease sat at a desk in front of a computer, pen in ...

Parkinson’s disease can be difficult to diagnose, but one common symptom of the progressive neurodegenerative condition is ...

The Think Ink Pen is designed for people who fidget. It flexes with spring-like resistance, has a magnetic ball for sliding, and a spinner for your thumb to roll around. Think Ink was fully funded ...

So Yu Liao, Jun Qian and colleagues set out to design a cheap and effective pen-and-ink system. Building on prior work, the scientists developed a water-based ink containing conductive carbon ...