Nanotechnology isn't just protecting your food - it's in your food. Scientists are manufacturing nano-sized vitamins that are easier for our bodies to absorb. In the future they hope to create 'interactive' food - food and drink that could change color, flavor or nutrients on demand. Meanwhile, top chef Heston Blumenthal is dreaming of Willy Wonka style sweets, with three different tastes in one. Supported by the University of Nottingham, he's even employed a research student who will investigate how nanotechnology could improve foods' flavour. Read more on Future food at the Science Museum.