Light bends when travelling through a concentration gradient of sugar in water. The top layer of liquid is pure water while the bottom layer is concentrated sugar water. In these layers, there is no ...
SINGAPORE, Aug. 27, 2020 /PRNewswire/ -- Dymax has recently launched new optical adhesives with variable refractive index for optical components used in optical telecommunication, commercial optics ...
South Korea's ETRI is developing a transparent element with a variable refractive index. The transforming lens developed by ETRI researchers. The lens's curvature changes when an electric current is ...
The eyes of squid and fish are miracles of evolution, producing bright, sharp images with limited light. How they do this, however, has been a mystery. But now researchers in the US have analysed the ...
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