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Edward Witten Quotes
Edward Witten Quotes
Edward Witten
American
Mathematician
Born:
Aug 26
,
1951
Because
Big
Change
Dimensions
Physics
You
Related authors:
Claude Shannon
Eric Weinstein
John Forbes Nash, Jr.
John von Neumann
Katherine Johnson
Richard Hamming
Ronald Graham
But the beauty of Einstein's equations, for example, is just as real to anyone who's experienced it as the beauty of music. We've learned in the 20th century that the equations that work have inner harmony.
Edward Witten
Work
Music
Example
Beauty
Harmony
For Example
Learned
Equations
Real
Just
Experienced
Anyone
Einstein
Century
Inner
I don't care about movies. I tend to play badminton once a week.
Edward Witten
Care
Once
Once A Week
About
Tend
Week
Badminton
dont Care
Movies
Play
It's an exaggeration to say that I came up with M-theory.
Edward Witten
Exaggeration
Say
Came
Up
Quantum mechanics brought an unexpected fuzziness into physics because of quantum uncertainty, the Heisenberg uncertainty principle. String theory does so again because a point particle is replaced by a string, which is more spread out.
Edward Witten
Physics
String
String Theory
Out
Brought
More
Uncertainty
Point
Particle
Principle
Because
Quantum
Quantum Mechanics
Does
Spread
Replaced
Unexpected
Which
Again
Theory
Mechanics
As of now, string theorists have no explanation of why there are three large dimensions as well as time, and the other dimensions are microscopic. Proposals about that have been all over the map.
Edward Witten
Time
Three
Other
String
Dimensions
About
Proposals
Over
Well
Been
Microscopic
Explanation
Large
Map
Now
Why
We know a lot of things, but what we don't know is a lot more.
Edward Witten
More
Know
Lot
Things
As far as extra dimensions are concerned, very tiny extra dimensions wouldn't be perceived in everyday life, just as atoms aren't: we see many atoms together but we don't see atoms individually.
Edward Witten
Life
Together
Everyday Life
Atoms
Extra
Everyday
Dimensions
See
Perceived
Individually
Concerned
Very
Tiny
Just
As Far As
Far
Many
As for the forces, electromagnetism and gravity we experience in everyday life. But the weak and strong forces are beyond our ordinary experience. So in physics, lots of the basic building blocks take 20th- or perhaps 21st-century equipment to explore.
Edward Witten
Life
Experience
Physics
Strong
Everyday Life
Building
Everyday
Our
Weak
Take
Perhaps
Beyond
Forces
Building Blocks
Equipment
Blocks
Lots
Ordinary
Explore
Basic
Gravity
Having those extra dimensions and therefore many ways the string can vibrate in many different directions turns out to be the key to being able to describe all the particles that we see.
Edward Witten
Key
Extra
String
Ways
Those
Dimensions
Out
See
Able
Having
Directions
Particles
Vibrate
Being
Different
Different Directions
Turns
Many
Therefore
Describe
So when you ask me how string theory might be tested, I can tell you what's likely to happen at accelerators or some parts of the theory that are likely to be tested.
Edward Witten
Me
You
String
String Theory
Tell
Some
Likely
Parts
How
Tested
Happen
Might
Ask
Theory
Spreading out the particle into a string is a step in the direction of making everything we're familiar with fuzzy. You enter a completely new world where things aren't at all what you're used to.
Edward Witten
You
World
Everything
String
Enter
Out
Fuzzy
Direction
Step
New
Particle
Making
Spreading
Familiar
New World
Where
Used
Things
The theory has to be interpreted that extra dimensions beyond the ordinary four dimensions the three spatial dimensions plus time are sufficiently small that they haven't been observed yet.
Edward Witten
Time
Three
Extra
Dimensions
Plus
Small
Observed
Beyond
Been
Ordinary
Spatial
Theory
Sufficiently
Four
Interpreted
There was a long history of speculation that in quantum gravity, unlike Einstein's classical theory, it might be possible for the topology of spacetime to change.
Edward Witten
History
Change
Long
Unlike
Possible
Classical
Long History
Quantum
Einstein
Might
Theory
Gravity
Speculation
On the other hand, we don't understand the theory too completely, and because of this fuzziness of spacetime, the very concept of spacetime and spacetime dimensions isn't precisely defined.
Edward Witten
Too
Other
Defined
Dimensions
Concept
Because
Understand
Hand
Very
Precisely
Theory
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