The Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Math Forum » Discussions » sci.math.* » sci.math

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: Who discovered the equivalence of energy and mass?
Replies: 4   Last Post: Jun 11, 2013 1:34 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Existential Angst

Posts: 31
Registered: 11/13/11
Re: Who discovered the equivalence of energy and mass?
Posted: Jun 10, 2013 12:48 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

"Tom Potter" <> wrote in message
> In 1896 Wilhelm Wien determined a
> distribution law of blackbody radiation
> which Max Planck, a colleague of Wien's,
> forked into Planck's Constant and the quantum of action
> in 1900.
> This led to the development of quantum theory.
> In 1900 Wien proposed that
> m=(4/3)E/c^2 was the relationship between
> electromagnetic mass and electromagnetic energy,
> which Einstein forked into m=(1)E/c^2
> in 1905.
> This led to the development of Relativity.
> It is interesting to see that Wien
> was the fountainhead for both the
> continuous and the quantum
> approaches to physics.

There was another german -- fraunhoff or somesuch -- that also formulated E
= mc^2 from blackbody considerations. Don't know if he preceded Wien or not.
Buncha smart guys.
Now we have string theorists. <sigh>

> --
> Tom Potter

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.