Scientists in Germany have developed ultra thin electronic skin tattoos that can help control virtual and physical objects with mere hand gestures.The polymer foil having sensors is extremely thin and almost invisible. It sticks to the palm of the hand like a second skin.<br/><br/>These sensors will enable people to manipulate everyday objects. It will also help control appliances both in the physical world and in augmented or virtual reality with mere gestures similar to how we use a smartphone now.