Grumpy Old Geeks Topics Ingestible electronics Topic Ingestible electronics 2 mentions in 1 episode Swallowable sensors that the hosts say researchers powered using fluid in the gut. Mentions 196: Nordstradamus Feb 13, 2017 1:31:04 Ingestible electronics, those little things that you swallow and they take the readings 1:31:37 use your gut juice to power these sensors.