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: Single photon
Replies: 22   Last Post: Mar 4, 2013 8:25 PM

Advanced Search

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

Posts: 143
Registered: 12/1/08
Re: Single photon
Posted: Feb 27, 2013 12:26 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Feb 27, 12:05 pm, Sam Wormley <> wrote:
> On 2/26/13 9:40 PM, Tom Potter wrote:

> > The equation that Sammy references has several flaws.

It also reveals what its authors knew -- limited or otherwise.

> > 1. It implies that a photon is energy squared.
>    It is sad that pitiful Potter doesn't understand the physical
>    significance of the equation:
>      E^2 = (mc^2)^2 + (pc)^2
>    Perhaps a one minute physics video will help Potter sort
>    things out.

> >

Trying to post a comment there only results in errors. Fix it.

>    Perhaps Potter recalls that a photon's Momentum is
>       p = h?/c = h/?
>    and Photon Energy
>       E = h?
>    Yet in the first equation, Potter is pointing out
>    that if mass is zero, then
>       p = c/E
>    Let Potter cogitate on what he sees as a discrepancy.

I watched your one minute of physics, now you read my one page of what
Einstein should have written:
fwiw seeing is not reading. Also, technically there's no non-moving
object in the Universe. Holding a box does not mean it's speed is

-- Mahipal

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.