The LEDs are now used in giant outdoor displays and traffic signals and could eventually replace
ordinary light bulbs, and blue lasers will be at the heart of next - generation DVD players.
All of that violence cited in question 5 leaves a visible trail of radiation, especially in the form of gamma rays — the extremely energetic cousins
of ordinary light.
Optical telescopes swung into operation and detected a fading spot of
ordinary light at the position of the gamma - ray burst.
Those projected colours turn the sadly discoloured murals into a tribute to Rothko's talent that can't be seen
in ordinary light.
If you think it would be handy to control your home's lighting through your mobile device but you've still got a box full
of ordinary light bulbs in the closet, emberlight bids itself as the solution: a smart socket that lets you control any light bulb with your smartphone.
Your stomach wall will screen out
ordinary light, but if you sunbathe while pregnant, the baby will see an orange glow.
«By using
an ordinary light source and an off - the - shelf camera, it takes just 1.3 seconds and one snapshot to capture those features and produce a texture «fingerprint» that is unique to that document.
Ordinary light is a mixture of waves having different polarizations, and lasers, as a rule, produce polarized beams, a set of similarly orientated waves.
Tracy K. Smith is the author of three previous poetry collections, including Life on Mars, winner of the Pulitzer Prize, and a memoir,
Ordinary Light, which was a finalist for the National Book Award.
The device is also provided with a wall plate to disguise it as
an ordinary light switch.