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 ...
Waves close wavesVibrations that transfer energy from place to place without the transference of matter. - including sound and light - can be reflected at the boundary between two different materials.
Most people know that light travels in a straight line unless something acts upon it to change its direction. The three most common methods of changing the direction of light are refraction, ...
l'essentiel Deux conférences et ateliers sur la lumière et le son seront proposés les deux prochains vendredi par Matthias Büchner Pour la première fois, la MJC propose dans son local des rencontres ...
Un phénomène rare, associant des conditions météorologiques particulières et un phénomène de réfraction optique, est à l’origine de clichés impressionnants. À lire aussi Des pluies torrentielles ...
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