My best teachers were not the ones who knew all the answers, but those who were deeply excited by questions they couldn't answer.
Brian GreeneRead
The central idea of string theory is quite straightforward. If you examine any piece of matter ever more finely, at first you'll find molecules, atoms, sub-atomic particles. Probe the smaller particles, you'll find something else, a tiny vibrating filament of energy, a little tiny vibrating string.
Interpretation
String theory suggests that at the fundamental level, all matter is composed of tiny vibrating strings of energy.
In this quote, Brian Greene explains the essence of string theory, which posits that the universe's most basic components are not particles but rather tiny vibrating strings. This perspective shifts our understanding of matter and energy, illustrating a deeper connection between the physical elements of the universe and their fundamental vibrating nature.
In practice
This quote can be used to introduce a lecture on modern physics or cosmology.
My best teachers were not the ones who knew all the answers, but those who were deeply excited by questions they couldn't answer.
All mathematics is is a language that is well tuned, finely honed, to describe patterns; be it patterns in a star, which has five points that are regularly arranged, be it patterns in numbers like 2, 4, 6, 8, 10 that follow very regular progression.
According to inflation, the more than 100 billion galaxies, sparkling throughout space like heavenly diamonds, are nothing but quantum mechanics writ large across the sky. To me, this realization is one of the greatest wonders of the modern scientific age.
So: if you buy the notion that reality consists of the things in your freeze-frame mental image right now, and if you agree that your now is no more valid than the now of someone located far away in space who can move freely, then reality encompasses all of the events in spacetime.
Black holes, we all know, are these regions where if an object falls in, it can't get out, but the puzzle that many struggled with over the decades is, what happens to the information that an object contains when it falls into a black hole. Is it simply lost?
Physicists are more like avant-garde composers, willing to bend traditional rules... Mathematicians are more like classical composers.
The belief is growing on me that the disease is communicated by the bite of the mosquito... She always injects a small quantity of fluid with her bite - what if the parasites get into the system in this manner.
Sometimes I had to spend a whole day mixing a boiling mass with a heavy iron rod nearly as large as myself. I would be broken with fatigue at the day's end. Other days, on the contrary, the work would be a most minute and delicate fractional crystallization, in the effort to concentrate the radium.
When it comes down to it, the reason that science fiction endures is that it is, at its core, an optimistic genre. What it says at the end of the day is that there is a tomorrow, we do go on, we don't extinguish ourselves and leave the planet to the cockroaches.
Electrical science has disclosed to us the more intimate relation existing between widely different forces and phenomena and has thus led us to a more complete comprehension of Nature and its many manifestations to our senses.
Science is wonderfully equipped to answer the question 'How?' but it gets terribly confused when you ask the question 'Why?'
Mechanics is the paradise of the mathematical sciences because by means of it one comes to the fruits of mathematics.
Subscribe for the occasional hand-picked quote. No noise.