Is energy the fundamental essence of all physical phenomena?

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Energy is not the fundamental essence of all physical phenomena; it is an abstract concept created by humans to quantify various observed phenomena. Space itself is also an abstract idea that does not possess energy. The pursuit of understanding and predicting phenomena relies on measurable concepts, which can often be counterintuitive due to the limitations of human perception. Despite these limitations, humans have developed symbolic language, such as mathematics, to gain insights into the unobservable aspects of reality. It is important to remain humble and continuously question our characterizations of the universe.
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Is energy all there is ? In other words, are all physical phenomena (including space itself) just different states of energy ?
 
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No.

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trogan said:
Is energy all there is ? In other words, are all physical phenomena (including space itself) just different states of energy ?
No. Energy is just an abstract human invented quantity, that can be calculated for a wide range of observed phenomena.

Space is another abstract concept, and doesn't have energy assigned to it.
 
Bottom line is as the poster above partially stated, we attempt to understand and predict phenomena using ideas that can be detected (directly or very indirectly) and or measured in some way. This has been a very satisfying activity for a lot of us for some reason. Some of the ideas can be very counterintuitive because of the limitations of our nervous systems and what we model with this nervous system based on what we encounter everyday of our lives.

Imo, we were clearly not made (from an evolutionary point of view) to be able to perceive and characterize phenomena that does not stimulate our nervous system. Yet somehow, and this freaks me out, we have invented symbolic language (math and language) that allows us some very interesting insight to worlds we cannot sense directly.

So I would say, stay humble. And keep questioning the way we characterize things about us.
 
I am following someone on Youtube who has built a rocket shaped (4 proprllers) drone for the world speed record ... He was having problems with internal heat from electical control gear and battery inside the sealed rocket (about 1kw waste heat) Speed is 500km/hr , I suggested a 4mm hole in the tip of the nose and 8mm hole at rear which should alow sufficient air cooling .. I said this will increase thrust because the air exiting is hotter .. a bit similar to a ram jet ... was I correct...
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