Sentences with phrase «emit light rays»

Toys designed to emit light rays against the wall can help turn your baby's room into a fun and exciting scene that will keep him dazzled for hours.

Not exact matches

The sun emits certain «blue rays» of light that tell your body it's time to be alert.
Existing cathode ray and liquid crystal displays are likely to be replaced by a new generation of organic light emitting devices (OLED).
I press a button on the pocket light - emitting diode tester and three specks of plastic and semiconductor shoot out blue and green rays intense enough to hurt my eyes.
Astronomers studying distant galaxies powered by monster black holes have uncovered an unexpected link between two very different wavelengths of the light they emit, the mid-infrared and gamma rays.
When these gamma rays reach the Earth's atmosphere they are absorbed, producing a short - lived shower of secondary particles that emit weak flashes of bluish light known as Cherenkov radiation, lasting just a few billionths of a second.
Researchers tried to pin the gamma rays on some object they already knew — something that emitted X-rays, radio waves, or visible light — but for a long time they failed.
This is quite different than the light emitted from a flashlight — the rays are neither parallel nor in phase with each other.
He finds that most cosmic rays come from well - known objects that produce other forms of radiation, too — black holes emit X-rays, for instance, and supernovas glow with visible light.
This area also is expected to be one of the best places to search for gamma - ray signals from dark matter, an elusive substance that neither emits nor absorbs visible light.
The EUSO telescope, which will be used to find debris, was originally planned to detect ultraviolet light emitted from air showers produced by ultra-high energy cosmic rays entering the atmosphere at night.
The nanolasers emit rays in the near - infrared range, but they could shoot light in other frequencies, including the visual spectrum, with alterations to the shape or material.
But picking out that signal from the gamma - ray light emitted by garden - variety astronomical objects will likely take a year or more.
However, it remains unclear which compounds in the shell matrix are emitting light when exposed to UV rays.
This was the first time electromagnetic radiation — light, gamma rays and radio waves — was detected from the same object that emitted gravitational waves.
But in the video, the filaments and fin rays also appear to emit light at their tips and at intervals along their length — something that's never been seen before.
Not all the high - energy gamma rays emitted by a blazar, however, make it all the way across billions of light - years to Earth; some strike a hapless EBL photon along the way.
The First X-Ray, by Wilhelm Conrad Röntgen (1895) Physicist Röntgen stumbled across a novel property of cathode rays, which is that they appeared to emit a light (electrons) that could be picked up by a photographic plate.
It covers an area of 3000 square kilometers with approximately 1600 surface detector stations which detect cosmic ray shower particles directly, as well as four fluorescence detectors which overlook the atmosphere above the surface array and detect fluorescence light emitted by shower particles.
Over a distance of 130 million light years, the gamma rays and gravitational waves emitted by merging neutron stars arrived offset by a mere 1.7 seconds, an incredible... Read moreAsk Ethan: Why Did Light Arrive 1.7 Seconds After Gravitational Waves In The Neutron Star Melight years, the gamma rays and gravitational waves emitted by merging neutron stars arrived offset by a mere 1.7 seconds, an incredible... Read moreAsk Ethan: Why Did Light Arrive 1.7 Seconds After Gravitational Waves In The Neutron Star MeLight Arrive 1.7 Seconds After Gravitational Waves In The Neutron Star Merger?
Despite travelling at the speed of light, its high - energy gamma rays took more than 11 to 12 and a half billion years to reach the Solar System after they were emitted.
An even more interesting possibility, however, is that x-ray flashers come from explosions in even more distant regions of the universe, where cosmic expansion since the Big Bang would have shifted emitted gamma rays into the x-ray range and intergalactic gas blocks visible afterglow, as none of these x-ray flashes have been observed to have a detectable, visible - light afterglow.
Although black holes can, in theory, have masses as low as calculated for the merging objects, the coincident gamma - ray burst suggested that the stars had to have been made of matter — and matter, unlike black holes, emits light.
Fluorescent lights do emit UV rays (how strong they are is unclear).
These saunas emit rays from the infrared, healing portion of the light spectrum.
The study offers a ray of light, too, in the form of some thoughts about the wavelengths of light that all fondleslabs emit.
This type of light can be provided via unfiltered natural sunlight or reptile bulbs designed to emit UVB rays at a tropical or desert intensity level.
Dressed like a psychedelic warrior from the future, she emits rays of green light from her body.
All hot objects emit electromagnetic radiation, which includes radio waves, visible light, and x - rays, as well as ultraviolet and infrared radiation.
Designed as a part of the rather mind - boggling Swarovski Crystal Palace collection, Yoshioka's living crystal chandelier is meant to evoke «a star descended from the sky emitting many rays of light in the space... a star which shines the viewer's heart.»
The Declaration of Independence is lit by a Fiberstars system because the light source does not emit ultraviolet rays or heat.
These lights emit no ultraviolet or infrared rays or direct heat onto the surface of the artwork, helping to keep it in good condition.
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