Light travels at different speeds based on the medium it passes through. For example, in a vacuum, it travels at 3.0 × 10^8 m/s in a straight line. But when directed towards glass, air, diamond, water ...
(Phys.org)—In a normal rainbow, red is always on "top" while violet is on the "bottom." This is true whether the rainbow is created by a glass prism or by water droplets in the sky, and is due to the ...
Not an aberration: schematic drawing of the metalens (left), which is made of tiny titanium waveguides. The drawing on the right is of a single waveguide. (Courtesy Boubacar Kanté) A new type of ...
Fig. 1. (a) Planar LC structure of a general PBOE. (b) Chromatic aberration in a broadband PBL. (c) LC structure for a multi-twist PBOE. (d) Experimental result of a broadband PBL. Augmented reality ...
WASHINGTON -- In a new study, researchers have shown that 3D printing can be used to make highly precise and complex miniature lenses with sizes of just a few microns. The microlenses can be used to ...
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Viltrox is trying out a new kind of optical design
When you use DPReview links to buy products, the site may earn a commission. Image: Viltrox Viltrox has announced two new ...
Faking photographs is not a new phenomenon. The Cottingley Fairies seemed convincing to some in 1917, just as the images recently broadcast on Russian television, purporting to be satellite images ...
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