My colleagues and I have developed a flexible, stretchable electronic device that runs machine-learning algorithms to continuously collect and analyze health data directly on the body. The skinlike ...

We rarely see a truly remarkable new technology more than once a decade. After years of undelivered promises, such a technology looks finally set to enter the market: the flexible computer screen.

Who hasn’t wasted precious time trying to find that one spreadsheet buried beneath 15 other open applications on an oh-so-small laptop computer? That tiny display is great when you’re on the go, but ...