Light is defined conventionally
by physicists as electromagnetic emissions of any frequency and not merely the visual.
Consensus physics is questioned all the time —
by physicists as well as people who are profoundly ignorant of physics.
In 2012, four physicists at the University of California, Santa Barbara — Ahmed Almheiri, Donald Marolf, Joseph Polchinski and James Sully, known collectively
by physicists as AMPS — shocked the physics community with the results of a thought experiment.
Not exact matches
Physicists could look for evidence of other universes using tools designed to measure ripples in spacetime — also known
as primordial gravitational waves — that would have been generated
by the universe's initial expansion from the Big Bang.
As the cold war wound down, CEO James Yoh, a nuclear
physicist by training, figured his best chance for growth would come from within.
As far our atomic composition, we are made up of «stardust» from exploding supernovas (as noted by Lawrence Krauss, an American theoretical physicist, and Robert Kirshner, Harvard College Professor of Astronomy
As far our atomic composition, we are made up of «stardust» from exploding supernovas (
as noted by Lawrence Krauss, an American theoretical physicist, and Robert Kirshner, Harvard College Professor of Astronomy
as noted
by Lawrence Krauss, an American theoretical
physicist, and Robert Kirshner, Harvard College Professor of Astronomy).
However, those of us concerned to find such relationships between distinct fields should heed the cautious word of Cambridge
physicist Sir Brian Pippard when he says that each field thrives
by virtue of its own methods and not
by aping those of others: «The fabric of knowledge has not been woven
as a seamless robe but pieced together like a patchwork quilt, and we are still in the position of being able to appreciate the design in individual pieces much more clearly than the way they are put together» (Pippard, 95 - 96).
Moreover if it did (assuming this to be possible in the framework of an overall Whiteheadian scheme), then it would itself be forcefully repudiated — and not simply
by physicists, for the material world of common sense
as well
as of physics would be drastically impugned.
The general implications of which I am thinking are, so far
as I can see, independent of the divergences between the versions of «Relativity» advocated
by individual
physicists; their value
as I think, is that they enable us to formulate the problem to which Bergson has the eminent merit of making the first approach in a clear and definite way, and to escape what I should call the impossible dualism to which Bergson's own proposed solution commits him.
As his mind turned increasingly to philosophy, the
physicist in him sought to understand the whole of reality and not only man, whilst the aesthete in him interpreted all reality
by extrapolation from human experience, thus finding aesthetic value in all actuality.
I want to know if they think
physicist Paul Davie is right about the obvious creation of universe governing physical laws, if Einstein was right in a God presence and what they think about quantum mechanics that goes back to von Neumann, where one is led
by its logic (
as Wigner and Peierls were) to the conclusion that not everything is just matter in motion.
During the late nineteenth century the Kant - Laplace hypothesis was severely criticized
by the British
physicist Clerk Maxwell, who argued that the forces of differential rotation between parts of the solar nebula would break up any such condensation
as soon
as it began to form.
This idea is defended in our volume
by A.C. Ewing,
by Keith Ward (writing
as Oxford's Regius Professor of Divinity), and
by the
physicist - turned - theologian John Polkinghorne.
The
physicist David Bohm, with guidance from Einstein, produced a «hidden variables theory», involving the idea that there might be unmeasurable variables which, if «unlocked»,
as it were, could predict those quantities exactly and also give the probabilities predicted
by QM.
I've long been fascinated
by cosmology, although my deficiencies
as a mathematician preclude my really following the arguments of astrophysicists, high - energy particle
physicists, and others exploring the origins of the universe.
He now makes sensational public statements in an attempt to cover up the fact that his career
as a
Physicist has basically been a failure,
by the measure of other
Physicists.
In a sense, a modern
physicist would regard the world's essence
as captured
by the right group of mathematical equations.
If
physicists assume the constancy of the laws of nature since the big bang, then these laws, if we get them right, will have been true for
as long
as physics seems to feel a need to talk about, say 15 billion years, and will remain true (
by hypothesis) for
as long
as physics wants to talk about them.
Although this misinterpretation had been effectively criticized, not only
by philosophers such
as Bergson, Meyerson, Whitehead and Reichenbach, but also
by a number of
physicists — among them Einstein himself, Langevin, Eddington, etc. — it was again revived recently
by Costa de Beauregard, Adolf Gruenbaum, and J. J. Smart, and apparently accepted
by W. Quine.
Leon Lederman, the well - know
physicist in his book on the history of particle physics, The God Particle, (GP 175) expresses the unavoidable finitude
as a limit of knowledge expressed
by what Max Planck called the «quantum of action,» now known
as Planck's Constant: «Heisenberg announced that our simultaneous knowledge of a particle's location and its motion is limited and the combined uncertainty of these two properties must exceed... nothing other than Planck's constant, b...
The Way the World Is
by John Polkinghorne, Westminster John Knox Press (distributed
by Alban Books), 130pp, # 9.99 Leaving behind twenty - five years
as a theoretical
physicist and Cambridge professor of mathematical physics for Christian ministry was bound to raise a few eyebrows.
Modernism developed on the basis of the Newtonian universe, conceived
as a complex inanimate machine, operating in absolute space and absolute time according to its own internal laws, which were also believed to be eternal and absolute.4 Understanding this «natural world» was the key to everything;
physicists set about uncovering the laws
by which the physical world operates; Adam Smith looked for the natural laws
by which the economy operates; Darwin thought he had discovered, in the law of natural selection, the origin of species.
■ Bishop Nicholas of Oresme (1323 - 1382), Bishop of Lisieux who
as a mathematician discovered how to combine exponents and developed graphs of mathematical functions and
as a
physicist explained the motion of the Sun
by the rotation of the Earth and developed a more rigorous understanding of acceleration and inertia.
Or (
as the Observer has also discovered) underdeclaring the costs of his
physicists on the spending returns
by # 43,000.
A flamboyant Lebanese - born
physicist known
as Dr. K, Dr. Kaloyeros was also at the center of a separate complaint brought
by the state attorney general, Eric T. Schneiderman.
Let me preface this
by saying that
as a
physicist, I know little about the inner workings of the legal world, but here's my guess based on reading newspaper and blog accounts.
The Fund was established
by a generous gift from Dr. Sessler's children, recognizing both his remarkable career
as a
physicist and his leadership in bringing the voice of scientists to global concerns of human rights and intellectual freedom.
«Our research shows for the first time that classical systems such
as artificial spin ice can be designed to demonstrate topological ordered phases, which previously have been found only in quantum conditions,» said Los Alamos National Laboratory
physicist Cristiano Nisoli, leader of the theoretical group that collaborated with an experimental group at the University of Illinois at Urbana - Champaign, led
by Peter Schiffer (now at Yale University).
According to calculations
by physicist Geoffrey West of the Santa Fe Institute, when a city doubles in size, the rate of innovation (
as measured
by new patents) increases
by 15 percent.
The National Eclipse Ballooning Project, led
by Angela Des Jardins, a solar
physicist at Montana State University in Bozeman, will launch over 100 weather balloons at various times along the path of totality and measure changes in such parameters
as temperature and wind speed.
For nearly a century,
physicists have explained the peculiarities of their quantum properties — such
as wave - particle duality and indeterminism —
by invoking an entity called the wave function, which exists in a superposition of all possible states at once right up until someone observes it, at which point it is said to «collapse» into a single state.
String theory, for example, regarded
by many
physicists as our best bet for a unified theory of reality, proposes between 10 and 26 space - time dimensions, many of them wrapped so up tightly
as to be virtually inaccessible.
STEP began in 1971
as a thesis project
by then - graduate student Paul Worden, with Stanford
physicist Francis Everitt serving on the thesis committee and then
as the project's chief scientist soon afterward.
Just
as a doctor must assess each patient individually, so too must a
physicist approach the fresh, ever - changing phenomena presented
by the quantum world.
The growing disorder —
physicists call it an increase in entropy — is driven
by the expansion of the universe, which may be the origin of what we think of
as the ceaseless forward march of time.
Both string theorists and condensed matter
physicists — those studying the properties of complex matter phases such
as solids and liquids — are enthused
by the development.
It's a mistake to think of the multiverse
as a theory, invented
by desperate
physicists at the end of their imaginative ropes.
As our knowledge has expanded physicists have had to calibrate the cosmos not by using ourselves as zero but by discovering zero points in nature or creating them from scratc
As our knowledge has expanded
physicists have had to calibrate the cosmos not
by using ourselves
as zero but by discovering zero points in nature or creating them from scratc
as zero but
by discovering zero points in nature or creating them from scratch.
The
physicists were interested whether the order of the interaction mattered,
as predicted
by alternative versions of quantum mechanics.
Some
physicists believe that the wormhole may close up
as you enter it, or that you might be killed
by radiation effects.
As he fed lines of code written
by physicists into the supercomputer, he was struck
by how inefficient some of the coding was.
Now, Jeffrey Hangst, an experimental
physicist at Aarhus University in Denmark, and his 48 colleagues at the ALPHA collaboration at CERN have precisely measured the energy difference between antihydrogen's lowest energy state, called the 1S, and a higher energy state known
as the 2S,
by far the most precisely measured transition in ordinary hydrogen.
«The frontiers of fundamental physics have traditionally been studied with particle colliders, such
as the Large Hadron Collider at CERN,
by smashing together subatomic particles at great energies,» says UCSD
physicist George Fuller, who collaborated with Paris and other staff scientists at Los Alamos to develop the novel theoretical model.
Devised
by Austrian
physicist Erwin Schrödinger in 1925, it describes subatomic particles and how they may display wavelike properties such
as interference.
Just
as light, which is an electromagnetic field, is transmitted
by particles called photons,
physicists expect that the mass - endowing effect of the Higgs field is ferried
by Higgs bosons.
«And unfortunately, the technical language that is understood and practiced
by physicists is not the same
as the language that is used
by the public media.»
The peace prize has gotten around the limitation
by awarding the prize to an organization rather than an individual, and Norden says that the «
physicists have been tempted... to give it to a whole institution,» such
as CERN, the European laboratory for particle physics near Geneva, Switzerland, but the Swedish Academy of Sciences, which awards the physics and chemistry prizes, «will not allow that.»
A new method for cooling down the elements of quantum devices such
as qubits, the tiny building blocks of quantum computers, was now theoretically proven to work
by a group of
physicists.
ARPA — E also gave $ 4.4 million in October 2009 to a group led
by physicist George Hadjipanayis of the University of Delaware to create a nanostructured version of the neodymium iron boron magnet that eliminates the need for
as much neodymium.
Some
physicists worry that
by fixating on it and other «known unknowns», such
as supersymmetry, the LHC might be missing other, more interesting, particles (see «Is the LHC throwing away too much data?»).