Sometimes after dinner, looking at a sink full of dishes, you want to give up washing dishes forever. Peel Plate solves this problem in an unusual way: each plate consists of thin layers of paper that can be peeled off one by one, revealing a clean surface. One set replaces dozens of disposable plates, and the process of using them is reminiscent of a convenient “notepad” for food. The plates

Farmers are using GPS collars to create “virtual fences” that guide livestock safely and sustainably