Brenden Sener creates a miniature model with four mirrors and heat lamp, which proves Archimedes' theory is plausible.

The image is formed by a concave mirror at the back of each eye, with light-sensing cells at the focus of this reflector. A deep sea crustacean called Gigantocypris also has mirror eyes that look ...

Father of the science of astronautics, according to its devotees, is Hermann Oberth, 59. ... could be handily incinerated by making the mirror concave to concentrate its beam.

Spherical mirrors of various radii and diameters have been supplied by Optical Surfaces to organisations worldwide for over 50 years. High precision spherical mirrors produced by Optical Surfaces have ...

Hood et al./Science. ... They placed a pair of the concave mirrors about 11 micrometers apart to create a cavity and enclosed the setup in a vacuum chamber. Inside the cavity, ...

To focus images for the Giant Magellan Telescope (GMT), which is under construction in Chile, the 27.6-foot-wide (8.4 meters) concave mirrors must be curved precisely, to within 20 nanometers ...

Did you know that there are animals that use mirrors instead of lenses to form the images in their eyes? There's another way to make a mirror besides with metal and glass: by using alternating ...