Finally: The smart pill

Older patients, in particular, may need to remember to take five or more different pills at a time, three times a day, for problems such as heart disease and diabetes…

Under the Helius system of smart pills, they would get the five drugs they need each time in a blister pack. The pack would also include the Helius tablet embedded with a sensor the size of a grain of rice.

This is made from food ingredients that react with stomach fluids to power a digital signal for around five minutes which sends information to the shoulder patch about what pills have been taken and when.