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Questions related from Riadh Al Rabeh
The sine wave is a solution and carries the characteristics of the normal wave equation which is symmetric in space and time and represents the oscillating transformation between kinetic and...
last month 5,332 0 View
The inverse square force law governs both gravity and electricity. Despite this we see that planets form discus around the central star whereas electrons form cloud shells around the nucleus. What...
26 August 2025 6,592 9 View
After a strong excercise we are advised and it seems to work, to do stretching of the most affected parts of the body. The reasons given is to increase the circulation and tell some nerve to...
25 August 2025 4,000 0 View
We often read in the literature that the speed of sound depends on the speed of the observer and that of the receiver and you see formulae using c+v and c-v. I feel this is wrong because the...
14 August 2025 1,473 0 View
Einstein most basic field equations in Tensor form gives the curvature R of space time on the left hand side and the momentum energy density tensor T on the right hand side. What happens if one...
11 July 2025 8,083 0 View
The many-world theory is one of the recent interpretations of QM. It assumes that there are infinite number of parallel worlds for what is going on around us and gives the effect of observing the...
24 June 2025 6,263 3 View
There are so many true scientific explanations found by the ancients without any of the modern tools and knowledge. Without going into the supernatural, is there a sceintific reasoning behind it.
15 June 2025 5,932 5 View
I read a qoute that Einstein didn't like Minkowski's input to relativity and thought he made it less intelligible. I have the feeling that many agree with Einstein, as the mixup of space and time...
15 June 2025 9,541 2 View
Apparently AI is threatening the seating of many as it is giving the power of knowlege to the ordinary person and now trying to put sticks on its way to stop it from advancing. One serious stick...
15 June 2025 5,397 2 View
Many seem to think that the string theory as a theory of everything is dead. It is difficult to see this as we know that strings are related to vibration and waves and they go into everything. The...
03 November 2024 6,535 2 View
When velocity changes speed only, work/energy is involved. But when only direction changes, no work/energy is involved- as in the centrifugal/centripetal acceleration of a rotating mass at a...
13 October 2024 9,906 3 View
le slit experiment for photons, it is classical to obtain fringes after a double slit opening, but it was notices that even if single photons are used which must pass through one slit at a time,...
15 September 2024 9,937 7 View
It is known that force is the negative gradient of the gravity potential. That means acceleration is motion caused by energy(potential) gradient. Does this allow the addition of gravity flow to...
10 September 2024 7,904 2 View
Different ideas exist for defining the vacuum or empty space. In QM for example, vacuum is assumed to be able to lend you any energy provided you give it back in a short time. How can nothing...
23 February 2024 1,470 3 View
Energy is in discussion since the 1800 when the term appeared first. It is now well known in practical terms and its conservation proven in many experiments. But what is the theoretical definiton...
11 January 2024 2,366 3 View
The size of the electron is not known.. can it be small enough to make the electron a blackhole according to the Schwarzschild radius.
21 September 2023 4,295 3 View
