Sick of finding out that your milk is sour only after you’ve taken a big gulp? Due to these conditions, people are always looking forward to some kind of sensor that’s easy to use and gives you information about spoilage. This Edible Silk Sensors are the solutions, you can simply wave your phone over it–or any food–to get a verdict on whether it’s still edible. These silk sensors let you know if your food has gone bad~

[ via fastcoexist.com ]