The anti radar sticker is a key innovation in automotive privacy. These thin, engineered films use light refraction and ...

There are many glorious science-based terms when it comes to surfing. We all talk about swells, of course, the underwater energy that creates a breaking wave. But we'll look at swell angles and ...

Please provide your email address to receive an email when new articles are posted on . In last month’s issue of Primary Care Optometry News I editorialized about the importance of refraction in ...

Sometimes when you look into a swimming pool it’s difficult to tell how deep the water actually is. If you grab something long, like a stick, you can use it to test the depth of the water. Upon ...

Sunlight is made up of multiple different wavelengths of light, each of which is affected slightly differently as it passes ...

For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays - without the need for artificially manufactured metamaterials. Scientists have long ...

Well, OK, not exactly. A beam of light could pass through air all day long (as long as you have a layer of air 26 billion kilometers long) and not deviate a whit. But if the density of that air ...

We find the definition of “subjective refraction” as proposed by Dr. Louis Catania in his commentary, “Delegating refraction: technician collects data, doctor performs subjective refraction” ...