Not far from Interlaken, we boarded a train that inched up a snowy mountain, bound for an Alpine saddle between the peaks known as the Jungfraujoch.

NEWYORKER: The Grand Tour

At a microelectromechanical systems conference that is taking place at Interlaken, Switzerland, from January 21st-25th, the researchers will describe their latest creations, which include moving microparts that are driven by light.

ECONOMIST: Microelectronics grows up