To avoid streaks, it's best to clean the mirror in one direction, according to Stein. Start from the top and work your way ...

Imagine a space telescope with a mirror stretching 50 meters across! That's larger than the width of a U.K. soccer field and ...

Magnetic mirrors enable new technologies by reflecting light in uncanny ways Date: October 16, 2014 Source: The Optical Society Summary: Scientists have demonstrated, for the first time, a new ...

The mirror surface has to match the ideal, nearly parabolic surface to about 25 nanometers – about 3 ten-thousandths of the width of a human hair. That’s really, really smooth; ...

Shiny surface, bounces light into your eyeballs, all that stuff. If we’re reviewing the Mirror just as a mirror, it gets a perfect score. (10/10: Does reflect.) ...

The mirror surface has to match the ideal, nearly parabolic surface to about 25 nanometers—about 3 ten-thousandths of the width of a human hair. That’s really, really smooth; ...

Though it has a smaller mirror surface than our other picks, measuring only about 5 inches across, some of our staffers use it as their daily mirror at home. Flaws but not dealbreakers.