Phrase by 'Edward Witten'
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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.
Author: Edward Witten - American MathematicianLife , Experience , Strong , Building
Even before string theory, especially as physics developed in the 20th century, it turned out that the equations that really work in describing nature with the most generality and the greatest simplicity are very elegant and subtle.
Author: Edward Witten - American MathematicianWork , Nature , Physics , Simplicity
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.
Author: Edward Witten - American MathematicianBeing , See , Different , Key
One of the basic things about a string is that it can vibrate in many different shapes or forms, which gives music its beauty.
Author: Edward Witten - American MathematicianMusic , Beauty , Things , Different
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.
Author: Edward Witten - American MathematicianYou , Me , Tell , I Can
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.
Author: Edward Witten - American MathematicianYou , New , World , Step
String theory is an attempt at a deeper description of nature by thinking of an elementary particle not as a little point but as a little loop of vibrating string.
Author: Edward Witten - American MathematicianThinking , Nature , Point , Little
Technically you need the extra dimensions. At first people didn't like them too much, but they've got a big benefit, which is that the ability of string theory to describe all the elementary particles and their forces along with gravity depends on using the extra dimensions.
Author: Edward Witten - American MathematicianYou , People , Too Much , Gravity
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.
Author: Edward Witten - American MathematicianTime , Three , Small , Beyond
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.
Author: Edward Witten - American MathematicianLong , History , Change , Gravity
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