Free Republic

The photograph above shows two D600 DSLRs. The one on the right is defective, while the one on the left isn’t. Both cameras have their aperture setting set to f/8.

Apple vice president of worldwide product market David Moody spoke to invited guests at a special press event on Wednesday in New York City. Today’s event is all about bringing innovations to creative pros, Moody told the assembled. “We have several announcements spanning hardware and software,” he said. New PowerBooks First on the list are refreshed PowerBook models. Moody announced two new systems — 15-inch and 17-inch PowerBooks. The 15-inch model now features a screen with 1440 x 900 resolution, the same as the previous generation 17-inch model. The 17-inch model now features a 1680 x 1050 pixel display —...

Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 April 6 Vintage Gamma Rays Credit: ESA / IAS / CEA-SACLAY Explanation: Gamma-rays are the most energetic form of electromagnetic radiation. But these high energy photons penetrate and interact in normal materials and cannot be focused by lenses and mirrors like those in optical telescopes. So how do you make an image in gamma-ray light? One way is to use a patterned mask of material which can...