Sentences with phrase «energy photons»

We were not meant to be bombarded by that many high energy photons shooting directly into our eyes for such long periods.

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).

Off the coast of west Africa, perched on the highest point of the Canary Islands, a gamma - ray telescope called MAGIC — the name stands for the Major Atmospheric Gamma - ray Imaging Cherenkov telescope — scans the heavens for bursts of high - energy photons from far corners of the universe.

The water splitting process only uses the higher energy photons leaving the infra red part of the spectrum untouched.

If you compare a lot of high - energy photons with a lot of relatively low - energy ones, you should find that on average, after a billion - year race, the high - energy ones reach GLAST's detector sooner — by about a millisecond.

Shouldn; t Arrhenius have said (obviously) that «more added energy photons means more warming» Which is obvious since it is the suns photons & Earths rotation that increases and decreases the number of photons which changes the temperature & GHE daily?

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.

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.

We can observe it indirectly by looking out for the high - energy photons thought to be released when two of these particles collide and annihilate each other.

This includes gamma rays, and an excess of these high - energy photons spotted in the centre of our galaxy seems to fit nicely with the simplest models for WIMPs.

Part of the difficulty is a process called photoionization, in which the high - energy photons conveying the x-rays strip away electrons from atoms within the accretion disk.

Scientists know much more about the rare, active ones that are continually gobbling up material and spewing out high energy photons for astronomers to capture.

My research concentrates on the high energy photon spectrum measurement.

It has observed high - energy photons arriving up to 20 minutes behind zippier low - energy ones from a source 12 billion light years away.

So when higher - energy photons come into the solar cell, they devote more of their energy to dislodging electrons and generating electric current, and waste less as heat.

But any excess energy a photon carries beyond what's needed to boost up an electron gets lost as heat.

These ultra-high energy photons are produced in interactions of the charged cosmic rays with energies close to 1020 eV with the cosmic microwave background (GZK effect).

So I started drawing on the whiteboard and created something with a little whimsy, a cartoon photon asking how much energy a photon has.

These therapies include pulsed magnetic therapy, spectro - chrome (color) therapy, low - energy photon therapy, micro-current electrical stimulation and scenar therapy.

Launched in June and designed to detect high - energy photons called gamma rays, Fermi is actually a sophisticated particle detector that serves just as well to detect electrons and positrons.

Over the past few years, terrestrial telescopes such as the Major Atmospheric Gamma - ray Imaging Cherenkov Telescope (MAGIC) in the Canary Islands and the High Energy Stereoscopic System (HESS) in Namibia have seen low - energy photons from a gamma - ray burst (GRB) arriving before their high - energy counterparts.

A newly developed laser technology has enabled physicists in the Laboratory for Attosecond Physics (jointly run by LMU Munich and the Max Planck Institute of Quantum Optics) to generate attosecond bursts of high - energy photons of unprecedented intensity.

Instead, it's created when the spinning pulsar accelerates particles to extremely high energies, causing them to smash into lower - energy photons left over from the early universe.

Instead of being knocked out, when an electron tightly bound to a neon atom absorbs the lower energy photon, it becomes loosely bound, causing the atom to become «excited».

The collaborative effort found that the quantum dots, which have a unique core - shell design, efficiently produced low - energy photons in the visible spectrum when energized with a beam of electrons.

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.

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.

But Steinbring says that high - energy photons — belonging to gamma rays and X-rays — could be perturbed by even weaker fluctuations in the quantum foam.

It is not clear how these high - energy photons are produced, Tavani says.

In the following decades, astronomers have found hints that gamma rays — the universe's highest - energy photons — could be coming from Cygnus X-3 with energies as high as trillions or even quadrillions of electronvolts (eV).

Gamma - ray bursts — volleys of very high - energy photons that can originate from any direction in the sky — come in two classes.

Up to a trillion high - energy photons, moving in unison, sweep through the matter, heating it to more than one million degrees Celsius — hot as the solar corona — in less than a trillionth of a second.

The low - energy photons that interact with protons to produce neutrinos in these events simultaneously prevent high - energy gamma rays from escaping via a process called «two - photon annihilation.»

High - energy photons (which are invisible to our eyes) tend to penetrate farther into objects before they bounce off — or they can go all the way through.

Sunlight contains low - energy photons (infrared light) and high - energy photons (sunburn - causing ultraviolet radiation), as well as all of the visible light in between.

Lower - energy photons that couldn't excite the perovskite's electrons would pass through to the silicon layer, where they could still generate current.

A perovskite layer on top of silicon would absorb higher - energy photons and turn them into electricity.

Although it has dominated the solar cell industry, silicon can't fully use the energy from higher - energy photons; the material's solar conversion efficiency tops out at around 30 percent in theory and has hit 20 - some percent in practice.

«A selective emitter radiates high - energy photons, not low - energy photons,» said Bermel.

But neutrinos, produced by the same astrophysical processes that generate high - energy photons, barely interact with anything along the way.

«One of the major limitations of solar energy conversion is that these high - energy photons are not efficiently converted.