For nearly 30 years, scientists have theorized that such a vortex should be possible within the realm of electromagnetism. In 1996, R.W. Hellwarth and P. Nouchi theorized that “focused doughnuts” of ...

It’s also a neat idea to bring these recording binoculars to sporting events or concerts to get closer to the action. Most venues should allow these inside, especially since they’re under five inches ...

Immediate Vortex is a recently launched trading platform designed to make it easier to spot profitable opportunities in the ...

Experience the outdoors around the clock with one of our recommended models designed for hunters, photographers, and midnight ...

You can take stunning images while birding, even with an entry-level camera. Here are our top picks, from basic workhorses to ...

Vortex Optics has been a dominant force in the hunting and outdoor optics industry, specializing in high-end scopes, sights, binoculars and rangefinders ... Vortex also boasts one of the best ...

Save $79 on a pair of the best binoculars for stargazing, the Celestron Nature DX 12x56 are 29% off at Amazon. Their ...

If you're looking to upgrade your optics for the upcoming hunting seasons, you're in luck. Right now, at the annual Cabela's Gear Up sale, you can save hundreds on binoculars, scopes, and rangefinders ...

All this in one single package! One of the best binoculars for hunting with a budget is Vortex Triumph HD 10×42. It offers ...

By that 40th trip around the sun, most people probably already have most things they “need,” so a birthday gift is an ...

Zabusky, Norman J. 1993. Vorticity: Vortex Dynamics . P. G. Saffman. Cambridge University Press, New York, 1992. xii, 311 pp., illus. $69.95 or £35. Cambridge ...