Theory
in sentence
2204 examples of Theory in a sentence
The
theory
of evolution is telling us that this is an incorrect interpretation of our perceptions.
The
theory
of evolution is telling us that once again, we're wrong.
By peering through the lens of a telescope we discovered that the Earth is not the unmoving center of reality, and by peering through the lens of the
theory
of evolution we discovered that spacetime and objects are not the nature of reality.
The
theory
of evolution presents us with the ultimate dare: Dare to recognize that perception is not about seeing truth, it's about having kids.
I mean, first of all, some people may just be profoundly depressed at the thought that, if evolution does not favor reality, I mean, doesn't that to some extent undermine all our endeavors here, all our ability to think that we can think the truth, possibly even including your own theory, if you go there?
What we have is one
theory
that turned out to be false, that perception is like reality and reality is like our perceptions.
That
theory
turns out to be false.
Okay, throw that
theory
away.
Don't most science-savvy people know that the
theory
that vaccines cause autism is B.S.? I think most of you do, but millions of parents worldwide continue to fear that vaccines put their kids at risk for autism.
Amazingly, it wasn't until the 1970s that researchers began to test Kanner's
theory
that autism was rare.
Lorna Wing was a cognitive psychologist in London who thought that Kanner's
theory
of refrigerator parenting were "bloody stupid," as she told me.
Then Andrew Wakefield came along to blame the spike in diagnoses on vaccines, a simple, powerful, and seductively believable story that was as wrong as Kanner's
theory
that autism was rare.
Rather than exposing the
theory
behind it, which could have been kind of abstract and probably a little bit boring, I thought it would be a great opportunity to do a little experiment.
It was critical for Darwin's
theory
of evolution.
We'll talk more about this in a later video, but even though weak nuclear
theory
was confirmed in the 1980s, in the equations, the Higgs field is so inextricably jumbled with the weak force, that until now we've been unable to confirm its actual and independent existence.
So in the 1970s, Elinor Ostrom came up with this theory, really called coproduction, and this is how it works.
And when you produce that new knowledge, and you apply this
theory
to public safety, you produce a new type of public safety.
Now, I worked on that
theory
for a while, with Stephen Hawking and others.
Furthermore, there's an experimental way to tell this theory, apart from the inflationary explanation that I told you before.
And about 10 years after the paper came out, a guy named Ed Witten in Princeton started applying it to string
theory
and people in Russia started applying it to what's called "condensed matter."
Somehow, you come up with a mathematical theory, not knowing any physics, discover two decades later that it's being applied to profoundly describe the actual physical world.
CA: And your own work took an idea like this and moved it into higher-dimensional theory, higher-dimensional objects, and found new invariances?
I think you probably didn't buy efficient market
theory.
It all happened for me about 30 years ago when I was in graduate school, and a bunch of us graduate students got together one day, and we said, you know, there's an explosion of writing and thinking in feminist theory, but there's no courses yet.
We would read some text in feminist
theory
and have a conversation about it.
These aren't wild guesses, but hypotheses that tackle kinks in the scientific
theory
of the Big Bang.
Poe even wrote an adventure novel about a voyage to the South Pole and a treatise on astrophysics, all while he worked as an editor, producing hundreds of pages of book reviews and literary
theory.
And right there was a plausible
theory
about the identity of the two people, and the police made this
theory
as well.
We first heard about him after being in Calais the first time looking for answers to the
theory
of the two dead bodies.
However, recent theories in physics, including one called string theory, are now telling us there could be countless other universes, built on different types of particles, with different properties, obeying different laws.
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