We all love using wireless earbuds. But how well do they work?

Working up a sweat and racing pulses are all in a day’s work for researchers Tron Vedul Tronstad and Johannes Tjønnås. They’ve just reached the top after jogging up the long staircase outside NTNU’s Science Building at Gløshaugen in Trondheim. Gløshaugen is the epicenter of all kinds of research, and on this autumn day, Tronstad and Tjønnås are wearing their trainers, earbuds, sensors and a GoPro camera—all in the aid of a new research method.

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