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1 - There are three universal constants in nature, which should form the basis for all physical measurements and definitions: c, the speed of light; h, Planck's constant; and G, Newton's gravitational constant.2 - We have defined mass, energy and time in terms of these constants. But the one thing we have not defined in terms of these constants, nor of any other constant of nature, is space itself. Space is considered a fundamental quantity because it can not be defined in terms of any other fundamental quantity.
3 - We know from special relativity that anything traveling at the speed of light experiences no time
4 - From E=mc², we infer that when mass changes to energy
the energy is distributed over a two-dimensional (2d'l) plane. This equation could be hinting that the natural state of the universe is 2d'l.
5 - Something that is 2d'l cannot be seen. All of the objects with which we are familiar are believed to be of three dimensions. Yet we see that electromagnetic radiation and gravity exhibit 2d'l characteristics (their strength, or intensity, is inversely related to the square of the distance between objects).
Thus, what we are looking for is a relationship between mass and time. We can find such a relationship with an accelerating object. As an object accelerates its mass increases
9 - In Einstein's relativity, a point in space can be described by using four coordinates, based on the idea that there are three dimensions of space and one of time.
But what if time and length are the same thing?
Originally, a second was defined in terms of one complete rotation of the earth on its axis , 86,400 seconds being equal to one day.
16 - Space is considered a fundamental quantity, but it cannot be measured.
20 - Time seems to flow forward like a conveyor belt
and we see ourselves as objects on the belt.
24 - However, no interactions, or events, ever occur in the future. All events, or interactions, are confined to the present; the present being defined as the point of interaction of two objects, at least one of which is 3d'l. The future does not exist except as a realm of possibilities that a time event will occur.
In general relativity the cosmological constant is given to explain the expansion of the universe
31 - It predicts that there is no singularity at the center of black holes. As matter falls into a black hole, it is very similar, if not identical, to an accelerating object reaching the speed of light. But in the case of a black hole, there is nothing to prevent the object from falling through the event horizon. If falling through the event horizon is equivalent to reaching the speed of with an accelerating object, then time must stop at the event horizon.
If time and length are equivalent, as argued, then there are three spacial coordinates to specify an event.
Regarding space - throughout history philosophers have argued over just what space is. Science seems to have settled on the definition that space is a 3d'l entity in which objects and events occur.
How would you define space (it cannot be measured)?
Regarding light being invisible
Regarding light being invisibleLight is arguably the only visible thing. I'd argue against that, but a statement that light isn't visible seems trivially falsified.
Quote from: criggsb33 on 11/08/2019 14:55:24Regarding light being invisibleLight is arguably the only visible thing. I'd argue against that, but a statement that light isn't visible seems trivially falsified.Here is my reasoning: When light strikes a 3d'l object, some of the rays are absorbed by the object, and some are reflected. We see the object because of the reflected rays, which are actually secondary light created by the object as a reaction to the incident light.
There seems not to be enough information to comment on this whole 2D space thing. I can't follow the description, and 2 spatial coordinates plus time is not enough to specify an event. Perhaps some examples would clarify.
Quote from: criggsb33 on 11/08/2019 14:55:24Regarding light being invisibleLight is arguably the only visible thing. I'd argue against that, but a statement that light isn't visible seems trivially falsified.Here is my reasoning: When light strikes a 3d'l object, some of the rays are absorbed by the object, and some are reflected. We see the object because of the reflected rays, which are actually secondary light created by the object as a reaction to the incident light. Our eyes react to the reflected light, which arrives on our retinas as a 2d'l image, and send a signal to our brain where the image is interpreted as 3d'l objects. At no point in this process do we actually see the light. We can only see the 3d'l object's reaction to light.
If I put a piece of black paper between my eyes and the object then I can no longer see the object.If I use a piece of glass instead then I can see the object.The reason for this is that black paper blocks light and glass does not.If what I see isn't light, how does the experiment work?