Talk:E=mc²

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A few questions for Aschlafly regarding the experiment of Cockcroft and Walton

More than two years ago, I posed the following questions for Andy Schlafly to answer. I'd still appreciate an answer by him, making my wait worthwhile.

1. Do you accept that the mass of the Lithium-kernel (7Li), of alpha-particles (4He) and of protons (1H) can be measured fairly accurately, as these are charged particles?

2. Do you accept the measurements for the mass of the particles as used by Cockcroft¹ and Walton, i.e.

particle mass
1H 1.0072 amu
4He 4.0011 amu
7Li 7.0130 amu

If not, which values do you think to be right?

3. Do you agree that before the reaction the mass of the particles involved was 8.0202 amu?

4. Do you agree that after the reaction the mass of the particles involved is 8.00220 amu?

5. Do you agree that there is a mass decrease of 0.0180 amu?

6. Before the experiment, the Li was at rest and the proton had a kinetic energy of less than 1MeV. Do you accept these values?

7. After the experiment, a pair of alpha-particles was observed, both having an kinetic energy of 8.6MeV. Do you think that this value is correct?

8. Can you tell me where the mass went? Can you tell me where the energy came from?

9. If your answer to question 8. is no in both accounts, than my answer is that there is a theory which explains the conversion of mass to energy, even if you don't like it!

--AugustO 06:33, 23 June 2014 (EDT)

The list of administrators of Conservapedia includes User:RSchlafly ("I'm related to Andrew Schlafly") and User:PhyllisS ("Phy Schlafly"). Both are knowledgeable about this stuff. Why don't you get their input on this article? And could you please answer the questions above? --AugustO 17:50, 23 July 2014 (EDT)

Another five months later, still nothing. --AugustO 07:42, 21 December 2014 (EST)

Robert Dicke

I want to revisit the statement: For example, Robert Dicke, perhaps the greatest physicist of the 20th century, was denied a Nobel Prize because he doubted the Theory of Relativity.

  • "perhaps the greatest physicist of the 20th century" - according to whom?
  • "was denied a Nobel Prize because he doubted the Theory of Relativity" - where is the evidence for this claim?

--AugustO 15:30, 20 February 2015 (EST)

  • Read also the article of Robert Dicke: "Indeed, Dicke should have won the Nobel Prize for one of his many other achievements also (such as his laser work), but was similarly denied recognition." --JoeyJ 06:56, 21 March 2015 (EDT)
Thanks, I looked into it. --AugustO 06:22, 22 March 2015 (EDT)

E=mc² is regularly tested, using the best equipment available

Take for instance the National Institute of Standards and Technology's summer-school of 2009, which allows grad-students and junior faculty to get their hands on their newest equipment: Here, NIST-physicist Maynard Scott Dewey shows how this can be used to test the equation E=mc² directly ("Neutron Binding Energy Measurements for a Direct Test of E=mc²" (pdf)) - and with a very good precision.

So, the formula is tested time and time again, it is regularly used by many physicists and engineers, regardless of the political position. That makes more than "liberal claptrap"... --AugustO 08:28, 18 March 2015 (EDT)

Mass is a measure of an object's inertia, in other words its resistance to acceleration. In contrast, the intrinsic energy of an object [...][has] nothing to do with gravity.

This juxtaposition is very painful: Why should it by problematic that the "intrinsic energy" has nothing to do with gravity, when the first part talks about the object's inertia? Where is the "contrast"? --AugustO 08:34, 18 March 2015 (EDT)

Taking out redundant sentence

I have taken the liberty of restoring (almost exactly) my version of 21:14, 8 June 2015. The previous version had what was essentially the same sentence twice, consecutively. It said:

However, it is impossible for anyone pursuing an academic career in science to even question the validity of this equation.
Political pressure, however, has since made it impossible for anyone pursuing an academic career in science to even question the validity of this nonsensical equation.

This can't possibly be what you wanted. The version I left in was the second one, with "Political pressure", and "nonsensical". I disagree with "nonsensical", but it's your website. I agree with the near-impossibility of anyone doubting this equation to successfully pursue an academic career in science, though probably for the reasons you think.

But I have taken out the word "since". It makes no sense in the current context; it may have made sense in an earlier context.

Now it's true that the longer intro paragraph was more "full", but that's only because it had the redundant sentence. I think the intro that I have left is full enough. It has "nonsensical", and it has the famous "claptrap" sentence. This must be the intro that you want. OK? SamHB 00:47, 11 June 2015 (EDT)

You did more than just that. VargasMilan 23:47, 11 June 2015 (EDT)

Change the article

As it stands, the article itself is confusing. Items of info were placed in a haphazard manner, without regard to structure or flow. Try re-doing it this way, in the following order:

Do a simple statement to introduce the subject in the first paragraph.
Describe in detail what it is, and what it supposed to do.
Describe the history of it, who first postulated it and why; who else seconded it.
Describe anything that successfully uses it, confirms it, and so on.
Describe anything the rejects it, criticisms of it, proof that it is wrong, and so on. It could be proof that it is wrong only in specific applications where it was tried and failed. Karajou 00:00, 15 June 2015 (EDT)