The Titanic may have struck an iceberg and sank helplessly because of a strange atmosphere-caused optical illusion, a new book argues. British historian Tim Maltin says super refraction, an extraordinary bending of light that causes mirages, prevented the Titanic’s crew from seeing the fateful iceberg.
New materials developed at Berkeley bend light in unnatural -- almost supernatural -- ways
By Jaya JiwatramPosted 08.14.2008 at 1:31 pm 12 Comments
Ever wished you could have Harry Potter's invisibility cloak? Science, not magic, could make that a reality. Researchers at the University of California at Berkeley have created materials that have the potential to bend light and even redirect it around themselves, cloaking any object behind them. They are metamaterials, materials that gain unusual properties via their structures. While all materials found in nature have a positive refractive index, these man-made metamaterials have a negative one.