Sentences with phrase «changes in the light emitted»

It aims to detect the neutron's presumed EDM by looking for changes in the light emitted when cold neutrons interact with helium - 3 nuclei in the presence of an electric field, a process that is subtly altered if the neutron has an EDM.

Not exact matches

The tiny sensors, which consist of infrared light - emitting diodes (LEDs) coupled with a sensitive light detector, measure infinitesimal gradations in light in human tissue, due to changing blood volume in the microvasculature as blood circulates through the body — a process that follows in rhythm with the beating of the heart.
Infrared light is a good probe of the magnetic field because stronger magnetic fields change the way light is emitted in that range.
Porcar's team engineered gene switches in Escherichia coli to produce proteins that emit different coloured fluorescent light when factors such as heat, acidity and oxygen levels change.
«Depending on the camera's configuration, we can measure either the brightness or color of the emitted light across the bandage or the change in brightness over time,» Li said.
Slight shifts in the color of light coming from a distant star can clue astronomers in to an orbiting planet via the Doppler equation, which links changes in the wavelength (λ) of light to the motion (v) of the thing emitting it.
That is changing fast, however, as regulations aimed at improving energy efficiency are phasing out the old bulbs in favor of more efficient compact fluorescent bulbs (CFLs) and newer light - emitting diode bulbs (LEDs).
Light emitting diodes flash in response to changes in voltage on communications equipment.
The scientists had noticed that when they embedded LEDs in coated textiles or transparent materials, the color of the emitted light would sometimes change.
In another experiment, he measured the frequency of an optical transition in cesium atoms (a change in their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW laserIn another experiment, he measured the frequency of an optical transition in cesium atoms (a change in their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW laserin cesium atoms (a change in their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW laserin their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW laserin frequency between two CW lasers.
A close inspection reveals some subtle visual changes, including titanium - colored slats in the front air ducts, light - emitting diode daytime driving lamps in the space previously used by the fog lamps, exterior mirrors with a new double - arm design, altered taillamp graphics with LEDs, and larger tailpipes poking out through the rear valance.
While the chandeliers themselves possess sculptural form as objects, demanding a physical encounter, the light they emit, variously controlled and directed, is less tangible, experienced in the spaces between each work and the surrounding architecture, set aglow and appearing to change throughout the day according to ambient light conditions.
This has not only changed the dynamic of the negotiations, but cast the «villains» of past summits in a slightly different light, and pointed the spotlight on other emitting giants.
Recently completed just in time for the museum's summer activities, Sabin's Lumen installation is made up of recycled textiles, and special «photo - luminescent and solar active yarns» invented by Sabin that can absorb, emit light and change colour.
Fortunately, those whom enjoy taking new features for a spin will be pleased to know that Microsoft may be preparing to show off a couple of new features in upcoming builds including improving the taskbar, and changing the type of light emitted from the screen.
Helia's bulbs emit very little light in this spectrum, but also will change their brightness and color temperature based on the time of day — cooler in the morning, and warmer in the evening.
In part, this is due to the change in domestic light sources: where once the ubiquitous tungsten bulbs gave off a yellowish glow — well suited to off - white shades such as magnolia — the LEDs and halogen bulbs that replaced them emit a cooler light, which, when teamed with dark surfaces, creates a snug, embracing feeIn part, this is due to the change in domestic light sources: where once the ubiquitous tungsten bulbs gave off a yellowish glow — well suited to off - white shades such as magnolia — the LEDs and halogen bulbs that replaced them emit a cooler light, which, when teamed with dark surfaces, creates a snug, embracing feein domestic light sources: where once the ubiquitous tungsten bulbs gave off a yellowish glow — well suited to off - white shades such as magnolia — the LEDs and halogen bulbs that replaced them emit a cooler light, which, when teamed with dark surfaces, creates a snug, embracing feel.
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