Grand unified theories — which combine the strong, weak, and
electromagnetic forces into a single mathematical structure — posit symmetries that involve rotations in abstract spaces of five or more complex dimensions.
Not exact matches
When an atheist can explain how the universe came
into being from absolutely nothing (no vacuum, no
electromagnetic forces, no anything), or how the first life form came together and started functioning based on random chemical reactions, I'll start to take them seriously.
Anti-falling physicists have been theorizing for decades about the «
electromagnetic force,» the «weak nuclear
force,» the «strong nuclear
force,» and so - called «
force of gravity and they tilt their findings toward trying to unite them
into one
force.
As another example, if the relationship between the strengths of the gravitational
force and the
electromagnetic force were not close to what it is, then the cosmos would not harbor any stars that explode and spew out life - supporting chemical elements
into space or any other stars that form planets.
In the 1970s, physicists put all the known particles (including a few whose existence had not yet been confirmed, like the Higgs boson) and the
forces that govern their interactions — the
electromagnetic, weak and strong —
into a single theoretical framework known as the Standard Model.
In fact, at the time of Maxwell's death, his theory of
electromagnetic fields was not yet widely accepted or even well known; experts still argued about whether electricity and magnetism propagated their effects via «action at a distance,» as gravity (supposedly) did, or by Michael Faraday's «lines of
force» (incorporated by Maxwell
into his fields).
While the
electromagnetic and nuclear
forces are stuck inside a «brane» made of four dimensions, gravity leaks out
into the fifth.
BICEP2's value of r suggests that this was the same energy scale at which all the
forces of nature except gravity (the
electromagnetic, strong and weak
forces) might have been unified
into a single
force — an idea called grand unified theory.
Starting with the assumption baked
into James Clerk Maxwell's theory of the
electromagnetic force, formulated 40 years earlier, that light always travels at the same speed, the special theory of relativity demonstrated how two observers in motion relative to each other will not perceive ruler lengths and clock ticks the same way.
Because the strong
force holding the protons and neutrons together is stronger than the
electromagnetic one, knocking the nucleus apart
into pieces demands more energy than removing the electrons.
Thus, they can cruise straight
into a nucleus, unimpeded by
electromagnetic forces.
Whereas the quantized particles that convey the strong, weak and
electromagnetic forces are so powerful that they tightly bind matter
into atoms, and can be studied in tabletop experiments, gravitons are individually so weak that laboratories have no hope of detecting them.
When the solenoid is energized, the plunger is sucked
into the solenoid via
electromagnetic forces and pushes the copper washer
into two large contacts.
While most engineers had ignored this strange effect, Birkeland, with his intuitive understanding of the
forces at play, used the information to create an «
electromagnetic cannon» that he eventually developed
into an electrically powered torpedo for warships.
Hence, it is not the
electromagnetic repulsion between electrons and nuclei that is responsible for two wood blocks that are left on top of each other not coalescing
into a single piece, but rather it is the exclusion principle applied to electrons and protons that generates the classical macroscopic normal
force.
The ensemble consists of seven members each of which uses a unique set of NCEP / NCAR atmospheric
forcing fields from recent years, representing recent climate, such that ensemble member 1 uses 2005 NCEP / NCAR
forcing, member 2 uses 2006
forcing..., and member 7 uses 2011
forcing... In addition, the recently available IceBridge and helicopter - based
electromagnetic (HEM) ice thickness quicklook data are assimilated
into the initial 12 - category sea ice thickness distribution fields in order to improve the initial conditions for the predictions.