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Keywords:

  • microfluidics;
  • liquid metal alloy;
  • wireless strain sensors;
  • radio frequency;
  • stretchable electronics
Thumbnail image of graphical abstract

Shi Cheng and Zhigang Wu demonstrate a new concept of wireless strain sensors, on page 2282, by combining microfluidic stretchable radiofrequency electronics with established integrated circuits. The implemented sensing device is capable of measuring repeated large-area strains of a human joint. The data are transferred wirelessly to a computer system for realtime healthcare or fitness monitoring.