Sentences with phrase «of photon energies»

Einstein's quantisation of photon energies, came about as a result of his work on the Photo - electric effect, which is what he got his Nobel Physics Prize for.
Since antimatter particles are relatively rare in the universe and since the distribution of photon energies could exhibit distinctive and identifiable properties, such detections could eventually be associated with dark matter.
Under the deal, Guelph, Ontario - headquartered Canadian Solar will buy a 51 % shareholding in each of Photon Energy's five...
In the multiphoton picture the photon character shines through as resonant enhancement in the excitation yield whenever an integer multiple of the photon energy matches the excitation energy of atomic states.
«The accelerator physicists have found ways of really increasing the output, in terms of photon energy.
The most famous one, which won Albert Einstein the Nobel Prize, is the quantization of the photon energy in the photoelectric effect — the observation that many metals emit electrons when light shines upon them.
Whatever the amount of photon energy and other energy, however distributed, over time, absent kinetic barriers, the system will tend to approach equilibrium.
Her work includes computer simulation modeling of vegetation dynamics coupled to atmospheric general circiulation models (GCMs), occasional fieldwork, and theoretical studies on the thermodynamic efficiency of photon energy use in photosynthesis.

Not exact matches

Photosynthesis takes abundant photons of sunlight and puts it to use with incredible speed and efficiency, losing almost no energy in the process.
If only we had a giant source of energy... say a nuclear furnace of some sort... to bombard the earth with photons that could supply the energy for life processes.
I find that science offers much better explanations for gravity, energy, emotions, evolution, the universe, and conscience, collaboration, photons, the evolution of eyes, and on and on it goes... I guess the point is... Prove that God exists, and we can talk.
4s) then photons erupted from this energy cloud (detectable today as the microwave background radiation) 5s) photons and other particles form the bodies of the early universe (atoms, molecules, stars, planets, galaxies) 6s) it rained on the early earth until it was cool enough for oceans to form 7s) the first life form was blue green bacteria.
What happens during the experiment is that the «mirror» transfers some of its kinetic energy to virtual photons, which helps them to materialise.
Thus, creativity - esse is not only the prius for the human world, but also for the most remote black hole, for a comet's energy, and for the photons that travel billions of years in the vast voids between the galaxies.
4) then photons erupted from this energy 4) let there be LIGHT (1 - 4 all the first day) cloud (detectable today as the microwave background radiation) 5) photons and other particles form the 5) God next creates the heavens (what we call the sky) above bodies of the early universe (atoms, (2nd day) molecules, stars, planets, galaxies) 6) it rained on the early earth until it was 6) dry land appears as the oceans form (3rd day) cool enough for oceans to form 7) the first life form was blue green bacteria.
When the atom drops from the higher to the lower energy state, it emits a photon, or light particle, in the form of a radio wave 21 centimeters long.
The flash lamps that pump the initial energy into many lasers must be cooled for minutes or hours between shots, making it hard to carry out research that relies on plenty of data, such as investigating whether, very occasionally, photons transform into particles of the mysterious dark matter thought to make up much of the universe's mass.
Photons, or particles of light, have been spotted swapping energy with partners.
Scientists already knew that photons can lose or gain energy via vibrations, but the similarity with Cooper pairs is a new and interesting way of thinking about the effect, says physicist Ian Walmsley of Oxford University, who was not involved with the research.
It allows particles, such as electrons or photons of light, the equivalent of an interest - free loan: they may borrow energy from empty space and use it to make mass, according to Einstein's famous equation E = mc2.
The existing theory of light as waves failed to explain the effect, but Einstein provided a neat solution by suggesting light came in discrete packages of energy called photons — a brain wave that won him the Nobel Prize for Physics in 1921.
When the researchers shined a laser on water, pairs of photons that emerged from the liquid at the same time tended to have complementary energies.
Astronomers long considered two other main candidates in addition to synchrotron radiation: black - body radiation, which results from the emission of heat from an object, and inverse Compton radiation, which results when an accelerated particle transfers energy to a photon.
The array will beam 2.1 megawatts of radio energy into the ionosphere — the region that starts at 100 kilometers above the ground, where solar photons and charged particles crash into Earth's atmosphere.
Based on sophisticated silicon honeycombs that disperse the high - energy photons by deflecting them at shallow angles, Arcus's optics should turn as many as 40 % of the incoming photons into a usable spectrum — up from 5 % in NASA's current flagship Chandra X-ray Observatory.
China is joining the elite club of countries that have equipped researchers with the potent sources of high - energy photons called free electron lasers (FELs).
Rather, they would consist of discrete fragments — quanta, in the argot of physics — just as light is composed of individual bundles of energy called photons.
Then, when the cosmos reached an age of about 300,000 years and cooled enough for energy to stream through the matter unimpeded, the photons escaped.
The acids form when organic, carbon - containing compounds and water are zapped with a source of energy, such as photons — a process that can take place on Earth or in space.
According to quantum mechanics, an atom can only absorb a photon of particular energies and colors as the electron within the atom hops from a lower energy state to a higher energy state.
If even a small amount of energy from phonons (the sound units that carry the energy through the germanium or silicon, much as photons are the units of light) hit the detector, it can be enough to make the device lose superconductivity and register a potential dark matter event through a device called a superconducting quantum interference device, or SQUID.
Physicists realize things are out of kilter because they can literally count the number of photons — particles of energy — in the universe today and compare that with the total number of matter particles.
The work, performed at the Advanced Photon Source at the U.S. Department of Energy's Argonne National Laboratory, will have a significant impact on our understanding of the lower mantle, scientists said.
As it drops back to its normal, lower orbit, it releases some energy in the form of light — a photon.
Ionizing radiation is a type of particle radiation in which an individual particle (for example, a photon, electron, or helium nucleus) carries enough energy to ionize an atom or molecule (that is, to completely remove an electron from its orbit).
Two seconds after the gravitational signal, which only the automated «trigger» of the Hanford detector initially noticed, NASA's orbiting Fermi Gamma - ray Space Telescope picked up a blast of high - energy photons called a gamma ray burst.
That means they can not undergo the type of collisions that dissipate energy (or hardly any collisions at all) the way ordinary particles do, primarily turning kinetic energy into electromagnetic energy, in the form of photons.
Photons squeezed out of empty space might illuminate the dark energy that permeates the universe
Now, a University of Michigan biophysicist and her group have been able to image the moment a photon sparks the first energy conversion steps of photosynthesis.
The upconversion nanorods can preferentially harvest the IR solar photons, followed by the absorption of emitted high - energy photons to generate extra photocurrent in solar cells.
In the next detector layer, a 63,000 - liter volume filled with liquid argon (at -183 degrees C) and thousands of sensors measures electron and photon energies.
The difference in the energy is determined by the properties of the molecules, and thus the scattered photons carry a unique fingerprint of the substance.
But in standard solar cell materials this requires that incoming photons have at least 5 electron volts worth of energy, which corresponds to photons of deep ultraviolet light (UV).
In the late 1990s, Arthur Nozik of the National Renewable Energy Laboratory in Golden, Colorado, and the University of Colorado, Boulder, theorized that if the semiconductors were made out of nanoparticles, they could excite multiple electrons with less photon energy, because less of the incoming energy would be sapped by vibrating atoms in the crystalline laEnergy Laboratory in Golden, Colorado, and the University of Colorado, Boulder, theorized that if the semiconductors were made out of nanoparticles, they could excite multiple electrons with less photon energy, because less of the incoming energy would be sapped by vibrating atoms in the crystalline laenergy, because less of the incoming energy would be sapped by vibrating atoms in the crystalline laenergy would be sapped by vibrating atoms in the crystalline lattice.
The insight that light sometimes needs to be treated as an electromagnetic wave and sometimes as a stream of energy quanta called photons is as old as quantum physics.
The information would basically remain encoded in an infinite number of low - energy photons racing to get out of the black hole, but stuck at its event horizon by the black hole's intense gravity, according to a study in Physical Review Letters.
Nanocrystals selectively infused, or «doped», with rare - earth ions have attracted the attention of researchers, because of their low toxicity and ability to convert low - energy laser light into violet - colored luminescence emissions — a process known as photon upconversion.
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.
Physicists from the ATLAS experiment at CERN have found the first direct evidence of high energy light - by - light scattering, a very rare process in which two photons — particles of light — interact and change direction.
This plasma of high - energy electron particles then release a controlled beam of ultra-energized photons, the gamma rays.
a b c d e f g h i j k l m n o p q r s t u v w x y z