21 Questions 186 Answers 0 Followers
Questions related from V. G. Rousseau
A few months ago, I posted a YouTube video tutorial (https://youtu.be/PFh_OQMwKmU) in which I proved that the anti-relativist claim according to which "time dilation is just an artifact of light...
28 August 2025 2,803 100 View
As I was arguing with a crackpot who believes that "the work/energy principle is false" because he refuses to understand that a rocket has a varying mass, I derived a modified version of the...
10 March 2024 524 0 View
Conservation of angular momentum was already mentioned in Newton's publication "Principia", nearly 340 years ago. No experimental observation has ever shown a violation of this law, even those...
18 February 2024 7,937 6 View
Hello, I have some potassium bisulfate (KHSO4) that I obtained as a by product by making nitric acid (HNO3) from sulfuric acid (H2SO4) and potassium nitrate (KNO3). I'm pretty sure that all the...
31 October 2022 4,852 0 View
In the following tutorial, I made nitroglycerin for fun (only a few drops) and detonated it: https://youtu.be/INUZdoGdF68 How can it be stabilized, such as in dynamite?
21 May 2022 3,028 1 View
In the following tutorial, I show how to make sulfuric acid from household product, and how to concentrate it: https://youtu.be/sJs31qK2ClM I initially obtain a relatively clean dilute acid, but...
29 November 2021 7,375 1 View
I recently successfully managed to make concentrated sulfuric acid by electrolysis of copper sulfate. I start from a 0.3 M solution of copper sulfate, and turn it into dilute sulfuric acid (0.3 M)...
26 October 2021 1,468 1 View
I make nitric acid (HNO3) on a regular basis by reacting sulfuric acid (H2SO4) with potassium nitrate (KNO3), such as describe here: https://vadcpa.com/Val/Project-NitricAcid.php This also...
28 September 2020 5,338 0 View
In the following tutorial I show how to make white fuming nitric acid from cheap household products. https://youtu.be/dIWXU520vnE I believe that my product has a concentration of 95% or more,...
17 August 2020 8,660 4 View
I have been contacted by a famous French journalist who wants to interview me for a French radio program (on Sud Radio) about my preprint on the Mamoudou Gassama affair: The Mamoudou Gassama...
19 November 2018 9,384 2 View
On May 26th, 2018, it was reported in the French news that a four-year-old child fell from the 5th floor’s balcony of a building in Paris (France), and was able to catch the railing of the 4th...
28 July 2018 4,349 7 View
I read on some forum that the electric field of an accelerated charge in its rest frame is the same as for a static charge in an inertial frame. This doesn't make any sense to me, because that...
15 December 2017 1,916 26 View
Is there some method to solve something like [A,B]=C, where B is the unknown operator?Basically I want to solve the equation [D,A]=iaLz,where D is the Laplacian (in cylindrical coordinates), a is...
23 November 2014 7,722 5 View
It is well-known that the angular momentum operator Lz is the generator of rotations. However, while the operator exp(-i Omega t Lz / hbar) performs a rotation of vectors R (position) and P...
08 November 2014 3,386 3 View
In my experiment (watch the video here: https://youtu.be/XGEv9RGrvNY), I use a homemade split-cell that simply consists of a plastic container with a clay pot in it. This cell allows me to...
01 January 1970 2,000 0 View
It is well known that the key to resolving the Twin Paradox is to realize that the situation between the twins is not symmetrical. In order to leave and come back home, the traveler needs to...
01 January 1970 9,890 3 View
Here is a new thought experiment that makes use of a "Sync-or-Die clock" in order to debunks some anti-relativist myths: https://youtu.be/PFh_OQMwKmU
01 January 1970 2,484 25 View
Special Relativity follows from the Lorentz transformation which is rigorously derived from the two following postulates: The laws of physics are identical in all inertial frames of...
01 January 1970 6,146 83 View
The pseudo-scientist and anti-relativist Mohammad Shafik Khan proposed an open challenge, which can be found here: OPEN CHALLENGE Here is attached my response to his challenge. Now is my turn:...
01 January 1970 6,606 61 View
This webpage proposes a free online calculator for the Lambert W function, and explains how this function can be used to solve exactly and analytically some transcendental equations:...
01 January 1970 5,404 0 View
In this video tutorial, I show how to rigorously solve the so-called "Triplet Paradox", first in the simplified case of instantaneous turnaround, then in the realistic situation where a finite...
01 January 1970 1,215 1 View
