The process is to pass light of the ultraviolet wavelength through a negative on the glass.

The speed or ability of a lens to pass light.

I supposed they passed light during the day.

Special fibers are used for this, that change how they pass light through when there is a change around the fiber.

Even though the structure was to be taller, the buttresses were made thinner in order to pass maximum light into the cathedral.

A hydrocele will usually pass light, while a tumor will not.

Time ratio, though-now we've passed light, there's no way to check it.

"At that accel we passed light in hours, not days."

The sheriff had suggested that more detonators, designed to alert drivers if they passed red light, be installed.

But all of the early efforts used technology that relied on a fast-spinning disk with perforations to pass light.