Flat mirrors are smooth, highly polished, flat surfaces, for reflecting light. The actual reflecting surface is usually a thin coating of silver, aluminum, or other material. Most flat mirrors are ...

Common coatings for spherical mirrors include none (uncoated), bar aluminum, enhanced aluminum, protected aluminum, dielectric, bare gold, protected gold, rhodium, and silver. Aluminum is an excellent ...

design and install large mirror deposition systems. Systems are offered to accommodate optics from 1m to more than 8m. Multi-layer films are deposited by evaporation or sputtering, enabling deposition ...

As anyone who has used a 3D printer before knows, what comes off the bed of your regular FSD printer is by no means a mirror finish ... Once dried, silver was deposited onto the pieces via ...

It was a crucial difference that made his weapon so effective against speedsters like The Flash. Fans have seen several ...

January: Englishman William Henry Fox Talbot presents to the Royal Society of London a paper on photogenic drawing, permanent camera obscura images made with photosensitive silver salts on paper.

Scientists are raising the alarm over insect poo blanketing New York City - thanks to an invasion of lanternflies. Since 2020, the city has been under attack each summer by hordes of lanternflies.

Even in the fall and winter, you will want to protect your eyes. These are the best prescription sunglasses to help you do just that. Executive Editor David Carnoy has been a leading member of ...

The collection of 748 gold and silver coins is estimated to date from as early as 206 BC through to the Roman emperor Claudius in 46/47AD. Mr Ridgway previously said: "I was inspired by my ...