A new type of invisibility cloak that hides objects from light in diffusive media such as a cloudy liquid – rather than a clear medium such as air – has been unveiled by physicists in Germany. Based ...

Humans cannot see clearly under water without goggles. How do aquatic mammals solve this problem? • For light reflecting off an object to be perceived as anything more than dim diffuse illumination, ...

As measuring translucent materials has endless applications, focus is given to the generic principle of transmission measurement. Measurements of foils, thin film, glass and even liquids in cuvettes ...