The Iron Age may have a competitor- The Glass Age. New techniques have made it possible to turn glass into anything from cell phone cases to actual components. If this technique becomes universal, materials costs could go through the floor.
…And then there’s things nobody’s ever seen before. Mira, a dying star is shedding material like a comet along its trail. Caltech’s new Galaxy Evolution Explorer (Galex) is delivering some surprises. It's behaving exactly like a bullet, pictured.