When you get ill, or suffer from a chronic condition, doctors normally prescribe drugs to help you get better, but this is based on a set of generic guidelines. The idea is that a smart pill will be able to offer specific doses, tailored to your needs, reducing the risk of side effects and waste.

The computation comes in the form of the DNA, which looks for molecules that it can react with as a form of data-gathering. Put simply, the pill will journey inside your body and sniff the local environment to decide if you need more medicine. Of course, like so many things at the bleeding edge of technology, it's still early days for this form of treatment, but the potential is exciting.