NutriSmart prototype embeds RFID tags directly within food, traces your lunch from start to finish (video) RFID tags are already used to trace everything from poker chips to hotel towels, but what if these little pellets were embedded directly within your lunch, providing everything you'd ever wanna know about that ham sandwich you're about to beast? That's the idea behind NutriSmart -- a food tra
![NutriSmart prototype embeds RFID tags directly within food, traces your lunch from start to finish (video)](https://cdn-ak-scissors.b.st-hatena.com/image/square/6edb68515c3e00065fb14ff889cb3d08be874ffa/height=288;version=1;width=512/https%3A%2F%2Fs.yimg.com%2Fuu%2Fapi%2Fres%2F1.2%2FuaWug.76xEQEgA3hVOGAow--~B%2FZmk9ZmlsbDtoPTYzMDtweW9mZj0wO3c9MTIwMDthcHBpZD15dGFjaHlvbg--%2Fhttps%3A%2F%2Fwww.blogcdn.com%2Fwww.engadget.com%2Fmedia%2F2011%2F05%2Fnutrismart-1306740725.jpg.cf.jpg)