Sentences with phrase «absorbs light energy»

Tryptophan absorbs light energy, and is a vital amino acid for photosynthesis in sea bacteria, algae, and plants.

Different pigments serve different functions: Green chlorophyll, which dominates during the growing season, absorbs light energy for photosynthesis, the conversion of carbon and water to sugar.

It occurs when a substance absorbs light energy and is thereby chemically modified.

This promises a huge improvement compared to current technology, in which the absorbed light energy is dissipated as heat to the crystal lattice, making the conventional excitation schemes extremely inefficient.

Unlike typical bird photoreceptor proteins that change shape when they absorb light energy, cryptochrome generates free electrons when it absorbs light.

Cyanobacteria absorb light energy from the sun and use it to convert carbon dioxide into food and other molecules, while also giving off oxygen.

In artificial photosynthesis systems chromophores, or «photosensitizers,» absorb light energy and transfer electrons to the catalyst, which activates the chemical reaction.

Rice's new drawbridge method for color switching incorporates metal nanoparticles that absorb light energy and convert it into plasmons, waves of electrons that flow like a fluid across a particle's surface.

Back at the science breakfast, Feringa encouraged young scientists to investigate photoredox catalysts that reduce carbon dioxide using absorbed light energy.

First, they enter the water droplets that form clouds, where they bathe in sunshine and absorb the light energy.

True silver colloids will always exhibit an apparent color, usually amber, because the nanoparticles absorb light energy from the visible spectrum typically at a wavelength around 400 nm.

Plants convert light energy into chemical energy - > Photosynthesis Recall that light is energy Different colors of light have different wavelengths and different amounts / The chloroplasts convert the absorbed light energy into chemical energy.

Not exact matches

Note: If using a dark colored pan, reduce the oven temperature, stated in the recipe, by 25 degrees F. (This is because dark colored pans absorb more of the energy coming from the oven walls so they become hotter and transmit heat faster than light colored pans.)

I made mine with gluten free bread crumbs, and baked them, but feel free to use what you like, have on hand, or have the time and energy for — frozen chicken fingers (yup, the is what mom usually did), homemade fried or baked breaded chicken tenderloins, really even boneless, skinless breasts can be used if you want to keep it lighter, but it doesn't absorb the flavor and help to thicken the sauce quite as well.

The B - Safe 35 safeguards your baby with side impact protection; a deep, contoured energy - absorbing shell and steel frame Safely installing your car seat is simple thanks to our easy center - pull straps and quick lower anchors The stroller's light weight and 4 - wheel configuration with swivel front wheels gets you through any tight spots that come your way Includes car seat, impact - absorbing base, removable head pad and stroller

The nanowires collect sunlight, much like the light - absorbing layer on a solar panel, and the bacteria use the energy from that sunlight to carry out chemical reactions that turn carbon dioxide into a liquid fuel such as isopropanol.

The team used calculations based on quantum mechanical equations to predict the chances of a CO2 molecule absorbing different colours of light, which have defined energies.

Chloroplasts alone absorb light only from the visible portion of the solar spectrum, allowing access to only about 50 % of the incident solar energy radiation, and less than 10 % of full sunlight saturates the capacity of the photosynthetic apparatus.

For example, it was predicted to absorb light in the near - UV and blue region and have high photoluminescence, which is the material's ability to emit light when excited by a higher energy light source.

When the quantum dots absorb ambient light, they transfer some of that energy to nearby dye particles, causing the crystal violet to release a kind of high - energy oxygen molecule that kills microbes.

They are crystalline powders that absorb energy from blue or near - UV light and emit light in the visible spectrum.

The fusion of two nuclei lighter than iron or nickel generally releases energy while the fusion of nuclei heavier than iron or nickel absorbs energy; vice-versa for the reverse process, nuclear fission.

If the polymers are then exposed to a laser beam, they absorb the light and store it as excitation energy.

That meant the light energy absorbed by the front wall had been converted to mass.

They added a cloud of warm haze a few light - years from the black hole to absorb some of those low - energy X-rays.

By covering these roofs with large, flat arrays of cylindrical thin - film solar cells (think massive installations of fluorescent tubes, only absorbing light rather than emitting it), Fremont, Calif. — based Solyndra, Inc., hopes to harness that energy.

By first converting the sunlight to heat and then back into light, the device fine - tunes the energy of photons absorbed by the photovoltaic cell, maximizing the electricity - generating potential.

Electrons within atoms absorb light of a specific wavelength by jumping from one energy level to a higher one.

Solar cells, for example, would be far more efficient if they reflected less light and absorbed more of it as energy.

These molecules absorb the light that is missed by the polymer and transfer the «harvested» energy to the film, enhancing its luminescent emission.

When a molecule absorbs a photon — the fundamental particle of light — electrons in the molecular system are promoted from a low - energy (ground) state to a higher - energy (excited) state.

The mirrors allow visible light to pass through, but they reflect infrared light back to the emitter, where it's absorbed and some of the energy is re-emitted as visible light.

This material, in which carbon substitutes for some of the lattice oxygen atoms, absorbs light at wavelengths below 535 nanometers and has a lower band - gap energy than rutile (2.32 versus 3.00 electron volts).

As the laser light bounces between the mirrors, some of its energy is absorbed by the gas.

Furthermore, light moving through materials typically gets absorbed until, at some point, the energy of the radiation falls to zero, putting an end to its usefulness.

It's more efficient than previous devices, the researchers say, because its two cells absorb more light than single - layer solar devices, because it uses light from a wider portion of the solar spectrum, and because it incorporates a layer of novel materials between the two cells to reduce energy loss.

If a laser is tuned to the correct frequency, atoms will absorb its light and later re-emit the absorbed energy at a higher frequency.

Clouds do more than just deliver rain and snow: by absorbing and reflecting light, they help control the flow of energy around the planet.

These crystalline arrays strongly reflect blue light, giving the leaves an iridescent glow, and absorbing as much as 10 % more energy than other low - lying forest dwellers.

«We can absorb much more solar energy from the light than the conventional material,» Yang said.

The inspiration for the technology comes from optical refrigeration, where the absorbed light is re-emitted at higher energy, thereby cooling the emitter.

Light tuned to a particular frequency causes the system to jump from a low - energy to high - energy state, or vice versa, absorbing or emitting a photon, or particle of light, in the proLight tuned to a particular frequency causes the system to jump from a low - energy to high - energy state, or vice versa, absorbing or emitting a photon, or particle of light, in the prolight, in the process.

The device's ability to absorb electromagnetic energy without heating up has direct applications in imaging, sensing and lighting.

The plane's frame needed to be strong enough to carry a human pilot, several days» worth of resources and four heavy batteries, but light enough to fly on the solar energy absorbed by the 17,000 solar cells — each as thin as a human hair — mounted on its wing, fuselage and horizontal stabilizer.

In the «first stage» light is absorbed and used to produce energy molecules, with oxygen as a byproduct.

«For a photovoltaic material, obviously absorbing light is the first part and converting that solar energy into electrical energy is the second part,» said Ames Laboratory scientist Emily Smith.

Instead, it can absorb or emit light only of certain distinct wavelengths, as the electron in it jumps from one quantized energy level to another — the fact that a century ago spurred the invention of quantum mechanics.

In that case, the plasmons are able to absorb more energy from the laser light, and less light is reflected.

The energy and climate benefits of cool roofs have been well established: By reflecting rather than absorbing the sun's energy, light - colored roofs keep buildings, cities, and even the entire planet cooler.

This is within the range of vacuum - UV light — so named because while light of that energy can propagate in a vacuum, it is quickly absorbed by oxygen in the air.