Faculty of Health, Medicine and Social Care, Medical Technology Research Centre, Anglia Ruskin University, Chelmsford, United Kingdom Introduction: The eye lens is a sophisticated optical element that ...

Optical constants are generally assumed to be causal functions. Mathematically, causality manifest itself in the Kramers–Kronig (KK) relations that relate the real and imaginary part of physical ...

A drug’s therapeutic index is a ratio that doctors use when prescribing medications and determining dosage. It shows how much of a drug a person’s blood can contain before it becomes toxic. The ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

Refractive errors are common eye issues that can cause blurry or distorted vision. Treatment usually involves wearing glasses or contact lenses or getting procedures ...

Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can't see through it, even though the water is clear. But ...

Index Ventures is announcing $2.3 billion in new funds to finance the next generation of tech startups globally. These new funds are spread across different stages with $800 million dedicated to ...

Marc Santos is a Guides Staff Writer from the Philippines. He's a seasoned writer with over four years of industry experience, and he is an enjoyer of all things difficult in gaming. If Marc's not ...

Four baby formula recalls listed by the U.S. Food and Drug Administration (FDA) affect online consumers as well as people in Texas. Going back to January 1, 2023, there are seven FDA recalls that ...

Please provide your email address to receive an email when new articles are posted on . As a resident more than 2 decades ago, I was taught by my attendings that the best refractive target for most ...

At long last, National Institutes of Health (NIH) principal deputy director Lawrence Tabak admitted to Congress Thursday that US taxpayers funded gain-of-function research at the Wuhan Institute of ...

Not only can those funds be evaluated en masse, but they also contain more assets than the rest of the field combined. The low-hanging fruit is by far the heaviest. This species of index fund is the ...