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Extended Data Fig. 7 | Protection of a temperature-sensitive capacitor
from a heat source. a–c, Without protection (T/C, T-type thermocouple;
a), with a polystyrene foam cap (XPS; b) and with a printed silica aerogel cap
(c). d, STL file. e, 3D-printed silica aerogel cap. f, Temperature evolution after
contact with the cartridge heater.