…ingestible computers and minuscule sensors stuffed inside pills.
…the body is the power source. Just as a potato can power a light bulb,
…pill hits the bottom of the stomach, it sends information to a cellphone app through a patch worn on the body. The tiny computer can track medication-taking behaviors and monitor how a patient’s body is responding to medicine. It also detects the person’s movements and rest patterns.
Firefighters, football players, soldiers and astronauts have used the device so their employers can monitor them and ensure they do not overheat in high temperatures.