What comes to your mind when you hear the words “soap bubbles”? The childhood joy of seeing these floating spheres you so desperately try to catch? Well, soon we'll be able to watch movies on such bubbles and use them as a 3d display.
Researchers at the University of Tokyo have developed a special mixture of water, sugar, glycerin, soap, a surfactant and milk — a combination known as a colloidal liquid. This very mixture is to be applied in producing of the bubble displays, which are claimed to be the world's thinnest transparent screens.