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Is time a phenomena?

Is time a phenomena?

Among physicists, there is no real doubt that time does really, truly exist. It’s a measurable, observable phenomenon.

Is time a quantum?

While time is a continuous quantity in both standard quantum mechanics and general relativity, many physicists have suggested that a discrete model of time might work, especially when considering the combination of quantum mechanics with general relativity to produce a theory of quantum gravity.

What do physicists say about time?

The modern understanding of time is based on Einstein’s theory of relativity, in which rates of time run differently depending on relative motion, and space and time are merged into spacetime, where we live on a world line rather than a timeline.

Is time a fundamental property?

However, space and time, as absolute entities, are already not fundamental properties of Einstein’s theory of General Relativity, however a notion of “timelike”ness and “spacelike”ness survives and is ultimately what makes the theory compatible with the fact that we, as observers, make measurements of space and time ( …

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Is time a physical thing?

Yes. Time is physical. Einstein’s general theory of relativity established time as a physical thing: it is part of space-time, the gravitational field produced by massive objects. The presence of mass warps space-time, with the result that time passes more slowly close to a massive body such as Earth.

Is time finite or infinite?

As a universe, a vast collection of animate and inanimate objects, time is infinite. Even if there was a beginning, and there might be a big bang end, it won’t really be an end. The energy left behind will become something else; the end will be a beginning.

Is time a particle?

Time comes from every particle within our bodies, including our DNA that is made of these same atoms and particles. Time is the frequency of longitudinal energy waves. The evidence for time’s relation to wave frequency is based on Einstein’s relativity.

What did Einstein say about time being an illusion?

Albert Einstein once wrote: People like us who believe in physics know that the distinction between past, present and future is only a stubbornly persistent illusion. Time, in other words, he said, is an illusion. Many physicists since have shared this view, that true reality is timeless.

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Why time is an illusion?

According to theoretical physicist Carlo Rovelli, time is an illusion: our naive perception of its flow doesn’t correspond to physical reality. He posits that reality is just a complex network of events onto which we project sequences of past, present and future.

Does time actually flow?

This world line is a fixed object in four dimensional spacetime – it doesn’t change with time. All that changes is the ball’s position on the world line. This is why we say that time doesn’t flow. Time is just one of the four dimensions that the world line occupies.

Is time a space or fundamental?

Other theories, such as loop quantum gravity, propose that spacetime is not fundamental. Rather, events and the connections between events is. Space and time is ultimately the product of interconnected things happening and causing one another. Causal set theory is similar in this way.

Why Time is an illusion?

Are time and space emergent systems?

In unaccellerated system, time “flows equably.” But in reality, all systems are accelerated. There is always a faster and a slower system, and none agree which category they belong to. So no, neither time nor space are emergent.

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Does spacetime emerge from something more fundamental?

That is, spacetime emerges from something much more fundamental, in much the same way that our perception of temperature emerges from the motion and characteristics of underlying particles. [div class=attrib]More on this new front in our quest to answer the most basic of questions from FQXi: [end-div]

What is the importance of timetime?

Time is a way to measure the duration of – or the interval between – events – it is intuitive, and it plays an important role when scientists wish to describe physical systems mathematically. For instance, an object’s speed is defined as its displacement in a given amount of time.

Can entanglement solve the problem of time?

When viewed through the lens of entanglement, the famous ‘problem of time’ just melts away. The next step will be to extend the idea further, particularly to the macroscopic scale. It’s one thing to show how time emerges for photons, it’s quite another to show how it emerges for larger things such as humans and train timetables.