Relativity
in sentence
100 examples of Relativity in a sentence
It was Einstein's great general theory of
relativity.
And he was reading Einstein's recently published general theory of relativity, and he was thrilled by this theory.
This computer simulation is due to a
relativity
group at NASA Goddard.
Because they're moving real fast,
relativity
says the internal motions go very slow.
But in Einstein's theory of gravity, his general theory of relativity, gravity can also push things apart.
Now our friend over there, Albert Einstein, used to pay very little attention when people said, "You know, there's a man with an experiment that seems to disagree with special
relativity.
Then Einstein, with his special theory of relativity, looked at a whole set of symmetries of Maxwell's equations, which are called special
relativity.
Then you use the symmetry of special
relativity
and you get an even simpler set down here, showing that symmetry exhibits better and better.
When Einstein developed the theory of general relativity, one of the consequences of his theory was that space-time wasn't just an empty void but that it actually had a fabric.
Or, they look at large scales and change how gravity and general
relativity
work, or they say our universe is just one of many, part of this mysterious multiverse, but all of these ideas, all of these theories, amazing and admittedly some of them a little crazy, but all of them consistent with our 42 points.
Like the planet found by Herschel or dark energy or quantum mechanics or general relativity, all ideas that came because the data didn't quite match what we expected.
General
relativity
is an example.
It's the very thing in which I can cast general relativity."
Here's why: Einstein's equations of general
relativity
describe space and time as a kind of inter-connected fabric for the universe.
Sure enough, the equations of general
relativity
predict a cosmic tug-of-war between gravity and expansion.
I'm thinking of Lorenz contractions and Einsteinian
relativity.
Albert Einstein used non-Euclidean geometry as well to describe how space-time becomes warped in the presence of matter, as part of his general theory of
relativity.
A hundred years ago this month, a 36-year-old Albert Einstein stood up in front of the Prussian Academy of Sciences in Berlin to present a radical new theory of space, time and gravity: the general theory of
relativity.
General
relativity
is unquestionably Einstein's masterpiece, a theory which reveals the workings of the universe at the grandest scales, capturing in one beautiful line of algebra everything from why apples fall from trees to the beginning of time and space.
One was Einstein's theory of relativity, the other was arguably even more revolutionary: quantum mechanics, a mind-meltingly strange yet stunningly successful new way of understanding the microworld, the world of atoms and particles.
It's thanks to
relativity
and quantum mechanics that we've learned what the universe is made from, how it began and how it continues to evolve.
Relativity
and quantum mechanics appear to suggest that the universe should be a boring place.
Relativity
and quantum mechanics tell us that it has two natural settings, a bit like a light switch.
One of the most important consequences of Einstein's general theory of
relativity
was the discovery that the universe began as a rapid expansion of space and time 13.8 billion years ago, the Big Bang.
The hope was that a complete combination of Einstein's general theory of relativity, which is the theory of the universe at grand scales, with quantum mechanics, the theory of the universe at small scales, might provide a solution.
Not fancy Einsteinian relativity, but good old fashioned (and still correct) Galilean
relativity.
Or there's the non-Euclidean work of Bernhard Riemann in the 1850s, which Einstein used in the model for general
relativity
a century later.
Keep doing that, and with just four measurements, and a little correction using Einstein's theory of relativity, you can pinpoint your location to exactly one point in space.
So that's all it takes: a multibillion-dollar network of satellites, oscillating cesium atoms, quantum mechanics, relativity, a smartphone, and you.
First, there were the laws like Maxwell's equations and general
relativity
that determined the evolution of the universe, given its state over all of space at one time.
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