Demystifier said:Gravity is not that. But even if it was, why do you think that it wouldn't exist at the quantum level?
Light is not matter yet it experiences gravity.curiouschuck said:If this is true then wouldn’t that mean that objects not made of matter wouldn’t experience gravity?
If <some random assumption> leads to <nonsense>.curiouschuck said:I’ve heard some postulate that gravity is the affect of time dilation on objects because of the difference in spacetime from one end of the object to the other. If this is true then wouldn’t that mean that objects not made of matter wouldn’t experience gravity?
I think his question is more like:PeroK said:For example:
If fish can't survive in salt water, does this mean there are no fish in the sea?
curiouschuck said:I'm talking about this
Is this true? If so, then (my original question)
This is not a valid reference; as @PeroK has pointed out, it's a pop science source, and pop science sources are not good sources for learning actual science. You need to be looking at an introductory textbook on GR if you want to learn how GR actually works.curiouschuck said:I'm talking about this
Gravity is a fundamental force that causes objects with mass to be attracted to one another. At the quantum level, gravity is described by the theory of general relativity, which states that the presence of mass and energy warps the fabric of space-time. This warping of space-time can cause time dilation, where time appears to pass at different rates for objects in different gravitational fields.
Space-time is a four-dimensional continuum that combines the three dimensions of space with the dimension of time. According to the theory of general relativity, the presence of mass and energy warps this continuum, causing objects to follow curved paths in space-time. This warping of space-time is what leads to the effects of gravity, including time dilation.
Yes, time dilation can occur without the presence of gravity. According to the theory of special relativity, time dilation can occur when an object is moving at high speeds relative to another object. This is known as relative time dilation and is a result of the time and space being relative to the observer's frame of reference.
Quantum mechanics is the branch of physics that describes the behavior of matter and energy at the subatomic level. It has been shown that at the quantum level, space and time are not continuous, but rather are made up of discrete units. This has led to the development of theories such as loop quantum gravity, which attempts to unify quantum mechanics with general relativity to better understand the effects of gravity and time dilation.
Yes, there are several practical applications of understanding gravity and time dilation at the quantum level. For example, our understanding of time dilation is crucial for the accurate functioning of GPS systems, which rely on precise time measurements. Additionally, understanding gravity at the quantum level can help us develop better technologies for space travel and exploration.