Getting your first telescope should feel exciting, not frustrating. If I avoid a few common beginner mistakes, I can turn ...

For more than a century, photographers have had to choose which part of a scene should be tack sharp and which parts would ...

The Witness is a big, open game, which can make it hard for completionists to achieve 100%. This page will document easy to miss puzzles in The Witness for those looking to track down the last few ...

Laser-produced plasmas are plasmas produced by firing high-intensity beams of light. Laser-produced plasmas have been used to create short bursts of x-rays and to accelerate particles — so-called ...

When writer Grace Flandrau left part of her fortune to the University of Arizona in 1971, the roughly $800,000 gift gave John Schaefer flashbacks. The university’s then-president said he thought back ...

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Tucson will become the new headquarters for a combined business unit made up of Tucson-based Raytheon Missile Systems and a Massachusetts-based Raytheon business when parent Raytheon Co. and United ...