Science: Curved Light

At the Pittsburgh meeting of the American Chemical Society last September, Dr. Harry Robert Dittmar of the du Pont Research Laboratories described "Pontalite," a new plastic known chemically as methyl methacrylate polymer, as clear as optical glass, only half as heavy as common glass, flexible, non-shattering (TIME, Sept. 21). Last week du Pont scientists in Manhattan demonstrated that a pretzel shaped length of Pontalite could conduct light, carry it around bends as a cable carries electricity. A flashlight was held close to one end of the twisted plastic tube. The other end...

Want the full story?

Subscribe Now


Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!