News & Reviews

Congress shouldn't weaken contact lens law: George Flaggs

CLOSE If you wear contacts regularly, there's a really good chance you have slept in them a few times. But what really happens to your eyes when you forget to take out your lenses? USA TODAY NETWORKMayor George Flaggs Jr. sitting in his Vicksburg, Miss., office.(Photo: Rogelio V. Solis, AP)Competition and the free market are cornerstones of the Mississippi and American economies, but some products still experience anticompetitive behavior, which raises prices and hampers...

Ask Ethan: Why Don't We Build A Telescope Without Mirrors Or Lenses?

Large Area Imager for Calar Alto (LAICA) / J.W. FriedPlacing a CCD array at the prime focus of a telescope or observatory is a surefire way to get an outstanding image; a technique that's been in use for well over 100 years. But is it possible to use CCDs in place of a mirror or lens entirely?For hundreds of years, the principle behind the telescope has been as simple as it gets: build a lens or mirror to collect a large amount of light, focus that light onto a detector (like an eye, a...

Snapchat launches sponsored 3D World Lenses, starting with Blade Runner

Snapchat is taking its World Lenses augmented reality feature and opening them up to brands. Snap’s Imran Khan just announced the availability of the new advertising product on stage at Advertising Week New York, along with launch partners Warner Bros and Bud Light, both of which will be debuting branded 3D World Lenses as part of marketing campaigns.The new sponsored 3D World Lenses mean that brands can try to create their very own Dancing Hot Dog style viral sensations, though fear warning:...