Gadgets are big in beauty, and a new venture is raising funds to finalize the launch of a special camera that can help consumers better protect themselves from damaging UV rays.   Voxelight is the company behind Sunscreenr, a small camera that shows areas of the skin that are not covered by sunscreen or if the sunscreen has worn off. The Chapel Hill, NC-based company, founded by David Cohen and Jon Meyer, has an Indiegogo campaign which at press time, had 300 backers and had raised $152,64...