What do those colorful iPod Nano cases have in common with sapphires? In both substances the color is not on the surface, but integrated in the structure of the material. As usually, [Bill Hammack] ...

Transparent aluminum oxide (TAlOx), a real material despite its sci-fi name, is incredibly hard and resistant to scratches, making it perfect for protective coatings on electronics, optical sensors, ...

Scientists from the Ateneo de Manila University (ADMU) and the Nara Institute of Science and Technology have found a cost-effective way to make aluminum transparent through a process called ...