Who couldn’t use a $60 portable solar hot dog cooker? Anyone who doesn’t want to solarize their franks in about 10 minutes, that’s who. GoSun’s innovative solar cookers, which concentrate and harness the energy of the sun onto a vacuum tube with a ‘thermal battery’ that allows for quick heating and the ability to buffer cloudy periods, have a new little brother that’s bound to be a hit with the kids. The new Solar Dogger…