EAT asks us to explore human food habits. How do we give more people access to affordable, healthy food? What can we do to ensure that our food production is sustainable, and that we aren't wasting or polluting the planet with too much packaging? Can a design idea encourage people to make better food choices?

This short film from the Technology Enhancement Programme (TEP) is one of a series of clips which were produced to demonstrate the properties and use of a range of smart materials.

This thick plastic film disappears almost instantly when it gets wet. Its uses in project work include simple water-activated...