The skin on the hand can reveal one’s true age. In fact, a study in the medical journal of the American Society of Plastic Surgeons reports that hands are the most accurate reflection of a person's age. But there’s a new device on Indiegogo called Hands On that aims to treat hands with the use red light technology, air movement and a lotion that is massaged into the skin. The inventor is Tobias Hämmerli, who said he created the device as a labor of love for his aunt who was lamenting the...