Author Arthur C. Clarke, whose science fiction and non-fiction works ranged from the script for "2001: A Space Odyssey" to an early proposal for communications satellites, has died at age 90, associates have said.
Arthur C. Clarke, a visionary science fiction writer who won worldwide acclaim with more than 100 books on space, science and the future, died Wednesday in his adopted home of Sri Lanka, an aide said. He was 90
Advances in the construction of metamaterials will allow us to build composites with properties unlike anything offered by nature, creating the prospect of invisibility technologies. What are the practical and ethical considerations we need to consider in developing such materials?