THE dynamical theory of dispersion, as originally given by Sellmeier, 2 consisted in finding the velocity of light as affected by vibratory molecules embedded in ether, such as those which had been ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

It is time for us to address neuropathic eye pain.We can think of neuropathic eye pain (NEP) as the more general, more ...

Index funds track financial indexes, enabling simple, broad market investment. Low expense ratios make Vanguard ETFs an accessible choice for new investors. Choosing an index like the S&P 500 leads to ...

Our Team Of Physicists Inadvertently Generated The Shortest X-Ray Pulses Ever Observed. X-ray beams aren't used just by ...

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...

What's going on with the nation's most popular meat? (Americans buy an estimated 83 pounds per capita annually.) Though 48 million people fall sick every year from eating food tainted with salmonella, ...

A pragmatic choice for core global equities exposure. Our research team assigns Silver ratings to strategies that they have a high conviction will outperform the relevant index, or most peers, over a ...

With over four years of experience writing in the housing market space, Robin Rothstein demystifies mortgage and loan concepts, helping first-time homebuyers and homeowners make informed decisions as ...

The Viltrox AF 50mm f/1.4 Pro is a not-so-standard, standard prime for full-frame Nikon and Sony mirrorless cameras ...

But towards the end of the DSLR era, they became increasingly difficult to find. To name but a couple of manufacturers ... element and one UHR (Ultra High Refractive index) element. The design ...

Without the Hydro-Puzzle safe code in Dying Light: The Beast, the Town Hall folks won’t get their water supply back on, and everyone will be doomed. Quite a weight on your shoulders, isn't it? Don't ...