Many people anticipating the creation of an invisibility cloak might be surprised to learn that a group of American researchers has created 25 000 individual cloaks.

NEW YORK, April 24, 2012 /PRNewswire/ -- Mariah Carey's first decade of record-setting hit singles, remixes and fan-favorite album tracks are collected on THE ESSENTIAL MARIAH CAREY.

In a single step, engineers create a rainbow-colored polymer that could open the door to portable, handheld multispectral imaging devices.

NEW YORK, Jan.

Computer scientists at UC San Diego, who set out to simulate all rainbows found in nature, wound up answering questions about the physics of rainbows as well.