Aharon Agranat's wife wears the earrings he crafted for her with pride. The jewel in each stud is a pale green man-made crystal— potassium lithium tantalate niobate— concocted by Agranat, a 48-year-old Israeli physicist. The crystal, KLTN for short, may also revolutionize fiber optics and change the way you use the Web, transmit data, or phone loved ones. Read more at Discovery Magazine.
July 7, 2001