Aluminum foil lamps outshine incandescent lights
...f biomedical applications. Built of aluminum foil, sapphire and small amounts of gas, the panels are less than 1 millimeter thick, and can hang on a wall like picture frames, said Gary Eden, a professor of electrical and computer engineering at the U. of I., and corresponding author of a paper describing the ......icroscope, but after being exposed to a continuous sapphire laser in the near infrared spectrum, the malignant lines only required half the laser energy to kill them as the healthy cells. "This makes it more practical than the sphere in terms of treating cancer," said Mostafa El-Sayed. "For laser phototherapy...