fig1

Figure 1. (A) Concept and current research trends in transient electronics; (B) Challenges in the practical realization of advanced transient electronics. The images in the “Active transient devices” panel of (B) are adapted with permission from the following sources: “Devices” from Ref.^[1], Copyright © 2012 AAAS; “Battery” from Ref.^[25], Copyright © 2019 Wiley; “LED” from Ref.^[26], Copyright © 2014 Wiley; and “Sensors” from Ref.^[10], Copyright © 2016 Springer Nature. LED: Light-emitting diode.