The emergence of space-time
Consider gas in a box. A box full of some gaseous substance is made of atoms and molecules.
When we look at the gas in the box with our eyes, or our thermometers, we don’t see each individual atom or molecule, its position and velocity. We see coarse-grained features of the system. We can invent a predictive theory of what the gas is going to do based on the coarse-grained macroscopic observables. We can model things without knowing what every atom is doing. That’s emergence. You have a set of properties that are approximate and coarse-grained.
25
236 reads
CURATED FROM
IDEAS CURATED BY
Strange things happen when you try to combine Einstein’s description of curved space-time with a universe made up of quantum wavefunctions. This podcast shows how space and time are emergent properties of quantum reality but not fundamental parts of it.
“
The idea is part of this collection:
Learn more about space with this collection
The importance of networking in podcasting
How to grow your podcast audience
How to monetize your podcast
Related collections
Similar ideas to The emergence of space-time
Explaining The Brain: Strong Emergence
Certain phenomena cannot be explained by a single activity, where individual components work in tandem with each other and it is hard to pinpoint where the process starts or ends. The workings of such a phenomenon, known as Strong Emergence, cannot be categorized or bracketed in a single...
Finding The Core Problem Of Rising Conspiracies
Even as we see newer conspiracy theories that have no base, it is good to know what is the core problem that gives rise to such conspiracy ‘theories’ (which don’t even have a theory underneath).
The problem comes from a general lack of distrust with the government, the experts and ...
The Fear Of Disappointing Others
If one’s goal is to please everyone, the road then leads directly to failure and disappointment. Even if we are absolutely right, it is a subjective figure in the eyes of others, due to everyone having a different set of values.
Other people, including friends, family and...
Read & Learn
20x Faster
without
deepstash
with
deepstash
with
deepstash
Personalized microlearning
—
100+ Learning Journeys
—
Access to 200,000+ ideas
—
Access to the mobile app
—
Unlimited idea saving
—
—
Unlimited history
—
—
Unlimited listening to ideas
—
—
Downloading & offline access
—
—
Supercharge your mind with one idea per day
Enter your email and spend 1 minute every day to learn something new.
I agree to receive email updates