This bending effect can make gravity act as a lens, concentrating light from a distant object, just as a magnifying glass can
focus the light from the sun.
Unfortunately, we now know today that it is impossible to
focus light from an object into a single point using only one lens.
In each case, the researchers assumed a dark object had moved in front of the star, acting as a «gravitational microlens» and
focusing the light from the star («The Galaxy's dark secrets», New Scientist, 9 April).
The astronomers spotted the solar system due to a phenomenon called gravitational microlensing — when the gravity of a star
focuses the light from a more distant star and magnifies it like a lens.
That means massive objects in space can act as lenses,
focusing the light from objects even farther from Earth.
This animation illustrates how the powerful gravity of a massive galaxy cluster bends and
focuses the light from a supernova behind it, resulting in multiple images of the exploding star.
The foreground star has basically acted as a magnifying lens,
focusing the light from the background star for astronomers on Earth to observe.
In these cases, each planet's gravitational field bends and
focuses light from a star lined up behind it, much as the glass lens in a telescope bends and focuses starlight.
Not exact matches
His work helped me examine what I do
from a new
light, inspiring me to diversify my investments and
focus on my mission instead of the money.
Camera + gives you the opportunity to set exposure separately
from focus so that you can easily control how
light or dark your shots come out.
What's more, a white paper out Tuesday
from e-commerce company PayPal, which went public last week, sheds
light on the enormous middle class who seem to still be buying, with a particular
focus on U.S. - made goods sold online.
Primarily
focused on semiconductor - based technologies, our products are used in highly diverse applications ranging
from virtual reality to autonomous driving and
from smartphones to networked, intelligent
lighting solutions in buildings and cities.
Germany has made tighter supervision of hedge funds a
focus of its G - 8 and European Union presidency and has been agitating for a voluntary code of conduct in
light of the rapid expansion of the funds, which carry high risks and are often exempt
from regulation.
Echelon is now
focusing its growth on «smart» commercial & municipal LED
lighting (although its fab-less chip business has apparently now stabilized after a long decline), and if the
lighting business accelerates (and it could, due to recent sales force hires and new products), I think there's a chance it can hit a break - even annualized revenue run - rate of $ 40 million by Q4 - 2019 (pushed back
from my earlier hoped - for timeline) at which point — assuming $ 14 million of remaining net cash (vs. an estimated $ 18 million at the end of Q2 2018) and 4.7 million shares outstanding (vs 4.52 million today), an enterprise value of 1x revenue on this 53 % gross margin company would put the stock in the mid - $ 11s per share.
Anyone following tech stories
from month to month will recognize LG Display as those tech people
focused on «bendy» and «rollable» displays, bolstered by the company's aggressive attention toward novel organic
light - emitting...
Now in its third year, The Financial Review's top journalists join over 50 globally -
focused chief executives, political leaders, policy makers, entrepreneurs and technology experts
from Australia and overseas to shed the
light on how and why Australian businesses should grab the growth opportunity.
In the
light of these judgments about Altizer, this volume is an attempt to shift the
focus of attention
from his negations to his affirmations.
While I have seen no studies done on this,
from what I have seen, dying people are more
focussed on the kinds of things noted in the article (pain alleviation, cleanliness particularly in
light of the huge issue toilet - time becomes) than on whether an afterlife or mere end of consciousness that awaits them.
In the
light of this shift of the
focus of faith
from Jesus to Spirit in the farewell discourse, we see that the full force of the good news of John's Gospel is experienced not at entrance into discipleship but at transition to life in the Spirit.
At the end of 2013 he took the scary trip across the Atlantic to America, switching
focus from F1 to IndyCar and joining feeder series Indy
Lights.
Women often make
light of the burdens of pregnancy because «pregnancy - related impairments have and continue to deter employers
from hiring women and
focus on the risks of abortion may play into the hands of those who wish to re-criminalize it.»
It started, «In
light of your very
focused blog content around breastfeeding I wanted to touch base with some news
from a company that is offering a unique solution and unrivaled support for breastfeeding moms.»
Focusing on minimizing parents» trouble when carrying their kids, the Chicco Keyfit Caddy is made
from ultra
light aluminum, making it only 14.5 pounds weight, perhaps the
lightest frame on the market.
Focusing on super comfort and safety, the whole set is made
from Plastic and Aluminum, forming a
light - weight but steady structure.
Food & Wine, the glossy, chef -
focused food magazine, is moving
from New York to Birmingham, Ala., joining a stable of other publications owned by Time Inc. that includes Cooking
Light and Southern Living.
The Commissioner said: «the
focus of the smart city programme basically includes provision of security and surveillance, implementation of a metro fibre network and e-Governance, adding that apart
from HD cameras with gantries deployed in the first phase, other scope of the project involves integration of the deployed cameras with Centralized Emergency Command and Control Centre (CCC), provision of road signature structure and street
lights across the State.
The gravity
from all that mass redirects any
light that tries to sneak past, bending and
focusing it, creating bigger and brighter images of galaxies far beyond the cluster.
One - press Digital
Focus easily changes the beam
from full spotlight to full flood
light.
The beam is easily adjustable so you can easily go
from using this as a floodlight to a more
focuses spot
light.
Focusing on the neural pathway
from the brain's prefrontal cortex to the amygdala, they combined optogenetics — a technique that uses
light to control the activity of neurons in living tissue — with behavioral testing, a methodology that allows researchers to study functional connections between different regions of the brain.
Ellis, his PhD student Dan Stark and their colleagues trained one of the world's biggest telescopes, the Keck 2 atop Hawaii's Mauna Kea, to scan
light grazing massive clusters of closer galaxies [see image above], which
focused the
light coming
from more ancient galaxies behind them and magnified it 20 times in a process called gravitational lensing.
These intense packets of sound emerge
from the animal's forehead as a
focused beam, much like the
light from a miner's headlamp.
Tabletop lasers
focus light with the power of 1,000 Hoover Dams onto a tiny point for applications
from physics and fusion research to medicine
The results
from the quantum - optics labs at the TU Vienna could give a new twist to research concerned with longitudinally oscillating
light waves in very different scientific fields: Even a
focused laser beam in free space has a longitudinal component.
He's done so by precisely
focusing infrared laser
light to selectively ionize, or steal the electrons
from, air molecules at the beam's focal point, generating a flash of bluish - white plasma.
In the new study, the team
focused on neurons called amacrine cells and horizontal cells, which have a known role in «preprocessing» — or adjusting — electrical signals transmitted to the brain
from the photoreceptors after they have been stimulated by
light photons.
Light from each module was
focused onto the center of the imaging area and superimposed to create strong and even
lighting.
The images then showed that the graphene plasmons
focus away
from the antenna, similar to the
light beam that is concentrated with a lens or concave mirror.
Physicists borrow an old tool
from geology to
focus «cathodoluminescence» and use it to probe the interior layers of metamaterials in lasers,
light - based circuits and solar cells
A beam tightly
focused by a telescope could greatly outshine a planet's host star at a particular wavelength, Townes realized, popping out as clearly as a red laser pointer aimed at someone
from across a stadium flooded with white
lights.
But supercontinuum lasers give off a
focused beam packed with
light from a much broader range of wavelengths.
Or the consequences can be disastrous, as when a narrow
focus prevents a driver
from noticing a
light turning red or an oncoming train.
This work is an early glimpse at medical robots that doctors could navigate through a patient's body
from the outside with a
focused beam of
light, Tang says.
Such rules include perspective (parallel lines appear to converge in the distance), stereopsis (our left and right eyes receive horizontally displaced images of the same object, resulting in the perception of depth), occlusion (objects near us occlude objects farther away), shading, chiaroscuro (the contrast of an object as a function of the position of the
light source) and sfumato (the feeling of depth created by the interplay of in - and out - of -
focus elements in an image as well as
from the level of transparency of the atmosphere itself).
A lens
focused light emitted
from the atom into a moving image (black arrow).
The scientists
focused on the ocean's biological pump, which exports organic carbon
from the euphotic zone — the well -
lit, upper ocean — through sinking particulate matter, largely
from zooplankton feces and aggregates of algae.
«Shifting our
focus from photons of
light to neutrinos will open a new window on the skies,» says Francis Halzen of the University of Wisconsin at Madison, IceCube's team leader.
Researchers
from the University of Birmingham have shed
light onto the cognitive benefits of bilingualism, pointing to an enhanced ability to maintain attention and
focus.
The probe's reduced size comes
from its use of gradient index, or GRIN, lenses to
focus the laser
light.
This involves blocking out the
light from the central star and bringing
light from the dim planets into
focus.