I’m at a Whole Foods in Palo Alto with Dror Sharon, cofounder and CEO of Consumer Physics, based in San Francisco and Israel. Sharon is holding his smartphone and a tiny handheld device he calls SCiO, which is about the size of a TicTac box. We are browsing around the produce department, checking out the Brix level of various items. The Brix number represents the sugar content of a solution and, for fruits, is an indicator of whether or not a particular fruit has much flavor. The tomatoes, according to the SCiO’s accompanying smartphone app, are horrible; not a big surprise in March. The apples are mixed, there is only one variety Sharon would buy right now. The mangos, he proclaims, are just perfect, and contemplates filling a bag before we go.

Read more on IEEE Spectrum here.