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    Has anyone ever measured the gravitational weight of light in a
    bottle?<br>
    Does a hot hollow ball weigh more than a cold one?<br>
    <br>
    WOlf<br>
    <pre class="moz-signature" cols="72">Dr. Wolfgang Baer
Research Director
Nascent Systems Inc.
tel/fax 831-659-3120/0432
E-mail <a class="moz-txt-link-abbreviated" href="mailto:wolf@NascentInc.com">wolf@NascentInc.com</a></pre>
    <div class="moz-cite-prefix">On 10/8/2015 3:51 PM, Adam K wrote:<br>
    </div>
    <blockquote
cite="mid:CADkFtQU8HVGL9NT+iL5J1cM=pVStkMz35z=qjp2EFRb5XeAZZA@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hi Martin,
        <div><br>
        </div>
        <div>Yes, general relativity. That link references the book I
          keep quoting in this discussion list, which is all about
          general relativity. Schrodinger introduces the basic idea and
          its consequences very lucidly. </div>
        <div><br>
        </div>
        <div>The origin of mass was always the sticking point of this
          theory, and was where Einstein focused his efforts for many
          decades. He called the representation of mass in the theory an
          <i>asylum ignorantiae</i>. </div>
        <div><br>
        </div>
        <div>Adam</div>
        <div><br>
        </div>
        <div><br>
        </div>
        <div><br>
        </div>
        <div><br>
        </div>
        <div> </div>
        <div class="gmail_extra"><br>
          <div class="gmail_quote">On Thu, Oct 8, 2015 at 3:05 PM, Mark,
            Martin van der <span dir="ltr"><<a
                moz-do-not-send="true"
                href="mailto:martin.van.der.mark@philips.com"
                target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:martin.van.der.mark@philips.com">martin.van.der.mark@philips.com</a></a>></span>
            wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div dir="auto">
                <div>Dear Adam K,</div>
                <div>Thank you for the quote, and isn't it a puzzling
                  one? "The deflection is due to gravitation AND mass!!"
                  Well that is one mass too many, in my opinion, but i
                  think this should be interpreted as if not just
                  Newtonion gravitation is working but, instead, general
                  relativity (which includes corrections to the former).</div>
                <div><br>
                </div>
                <div>John D, i have not recently responded to your
                  comments, but thank you very much indeed for the
                  useful explanations combined with your great sense of
                  humor! The helicopter one with not finding the hard
                  bits actually made it physically impossible for me to
                  hit the small keys on my phone for a while.</div>
                <div>Cheers!</div>
                <div>Very best regards, Martin<br>
                  <br>
                  Verstuurd vanaf mijn iPhone</div>
                <div><br>
                  Op 8 okt. 2015 om 23:23 heeft "<a
                    moz-do-not-send="true"
                    href="mailto:davidmathes8@yahoo.com" target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:davidmathes8@yahoo.com">davidmathes8@yahoo.com</a></a>"
                  <<a moz-do-not-send="true"
                    href="mailto:davidmathes8@yahoo.com" target="_blank">davidmathes8@yahoo.com</a>>
                  het volgende geschreven:<br>
                  <br>
                </div>
                <blockquote type="cite">
                  <div>
                    <div
                      style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica
                      Neue,Helvetica,Arial,Lucida
                      Grande,sans-serif;font-size:16px">
                      <div>Adam</div>
                      <div><br>
                      </div>
                      <div dir="ltr">For the light rays near the sun,
                        wouldn't one need  not just E & M fields. To
                        identify the gravitational component,one would
                        have to rigorous eliminate effects from the weak
                        and strong forces as well. </div>
                      <div dir="ltr"><br>
                      </div>
                      <div dir="ltr">Also, there may be some value in
                        considering Dirac's symmetric version of the
                        Maxwell equations. In doing so, magnetism should
                        be considered as a separate force, a fifth force
                        if you will.</div>
                      <div dir="ltr"><br>
                      </div>
                      <div dir="ltr">David</div>
                      <div dir="ltr"><br>
                      </div>
                      <blockquote style="border-left:2px solid
                        rgb(16,16,255);margin-left:5px;margin-top:5px;padding-left:5px">
                        <div style="font-family:HelveticaNeue,Helvetica
                          Neue,Helvetica,Arial,Lucida
                          Grande,sans-serif;font-size:16px">
                          <div
                            style="font-family:HelveticaNeue,Helvetica
                            Neue,Helvetica,Arial,Lucida
                            Grande,sans-serif;font-size:16px">
                            <div dir="ltr">
                              <hr size="1">
                              <font size="2" face="Arial"><b><span
                                    style="font-weight:bold">From:</span></b>
                                Adam K <<a moz-do-not-send="true"
                                  href="mailto:afokay@gmail.com"
                                  target="_blank">afokay@gmail.com</a>><br>
                                <b><span style="font-weight:bold">To:</span></b>
                                Nature of Light and Particles - General
                                Discussion <<a moz-do-not-send="true"
href="mailto:general@lists.natureoflightandparticles.org"
                                  target="_blank">general@lists.natureoflightandparticles.org</a>>
                                <br>
                                <b><span style="font-weight:bold">Sent:</span></b>
                                Thursday, October 8, 2015 12:41 PM<span><br>
                                  <b><span style="font-weight:bold">Subject:</span></b>
                                  Re: [General] relativistic mass<br>
                                </span></font></div>
                            <div><br>
                              <div>
                                <div>
                                  <div>
                                    <div>
                                      <div dir="ltr">With the danger of
                                        producing the impression that I
                                        have only read one book, Martin
                                        I thought you would enjoy this
                                        quote:
                                        <div><br clear="none">
                                        </div>
                                        <div><i>The deflection of light
                                            rays that pass near the sun
                                            is not a purely
                                            gravitational phenomenon, it
                                            is due to the fact that an
                                            electromagnetic field
                                            possesses energy and
                                            momentum, hence also mass.</i><br
                                            clear="none">
                                          <div><br clear="none">
                                          </div>
                                          <div>From page 1, here: <a
                                              moz-do-not-send="true"
                                              rel="nofollow"
                                              shape="rect"
                                              href="http://strangebeautiful.com/other-texts/schrodinger-st-struc.pdf"
                                              target="_blank"><a class="moz-txt-link-freetext" href="http://strangebeautiful.com/other-texts/schrodinger-st-struc.pdf">http://strangebeautiful.com/other-texts/schrodinger-st-struc.pdf</a></a>
                                            <div><br clear="none">
                                            </div>
                                            <div>Adam</div>
                                            <div><br clear="none">
                                            </div>
                                          </div>
                                        </div>
                                      </div>
                                      <div><br clear="none">
                                        <div>On Thu, Oct 8, 2015 at
                                          12:33 PM, Mark, Martin van der
                                          <span dir="ltr"><<a
                                              moz-do-not-send="true"
                                              rel="nofollow"
                                              shape="rect"
                                              href="mailto:martin.van.der.mark@philips.com"
                                              target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:martin.van.der.mark@philips.com">martin.van.der.mark@philips.com</a></a>></span>
                                          wrote:<br clear="none">
                                          <blockquote style="margin:0 0
                                            0 .8ex;border-left:1px #ccc
                                            solid;padding-left:1ex">
                                            Dear Andrew,<br clear="none">
                                            The paper "light is heavy"
                                            is no more, and no less,
                                            than a supposedly didactic
                                            and the only consistent
                                            explanation of special
                                            relativity and its
                                            consequences. Most important
                                            points are that there are
                                            some confusions:<br
                                              clear="none">
                                            1) mass is not matter<br
                                              clear="none">
                                            2) energy is equivalent,
                                            exactly the same as, mass:
                                            E=mc^2<br clear="none">
                                            3) light is massive, both in
                                            the inertial and
                                            gravitational sense, as is
                                            obvious from experiment<br
                                              clear="none">
                                            4) the greatest confusion is
                                            about light being massless,
                                            which indeed it would be if
                                            it couldn't/didn't move. The
                                            whole point is that light is
                                            always moving at the speed
                                            of light, so it is a
                                            non-existing limit.<br
                                              clear="none">
                                            <br clear="none">
                                            Weighing a box with a
                                            molecular gas, or that of a
                                            "photon" gas give the same
                                            kind of result: the
                                            gravitational mass of the
                                            gas plus the weight of the
                                            box. Light is
                                            gravitationally deflected by
                                            large masses,
                                            experimentally. Light
                                            carries momentum and energy.<br
                                              clear="none">
                                            <br clear="none">
                                            There is nothing new in what
                                            i say, it is consistent with
                                            Einsteinian relativity an
                                            represents the vision of
                                            Herman weyl too, and many
                                            others<br clear="none">
                                            <br clear="none">
                                            Best, Martin<br clear="none">
                                            <br clear="none">
                                            Verstuurd vanaf mijn iPhone<br
                                              clear="none">
                                            <div>
                                              <div><br clear="none">
                                                > Op 8 okt. 2015 om
                                                19:52 heeft Andrew
                                                Meulenberg <<a
                                                  moz-do-not-send="true"
                                                  rel="nofollow"
                                                  shape="rect"
                                                  href="mailto:mules333@gmail.com"
                                                  target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:mules333@gmail.com">mules333@gmail.com</a></a>>
                                                het volgende geschreven:<br
                                                  clear="none">
                                                ><br clear="none">
                                                > Dear Martin,<br
                                                  clear="none">
                                                ><br clear="none">
                                                > In your "Light is
                                                Heavy" you state:<br
                                                  clear="none">
                                                ><br clear="none">
                                                > "In the case of
                                                light, the rest mass is
                                                zero, but the
                                                gravitational mass
                                                equals the inertial
                                                mass, which is identical
                                                to the relativistic
                                                mass."<br clear="none">
                                                ><br clear="none">
                                                > Do you have any
                                                reference for my
                                                contention that the
                                                relativistic mass of
                                                particles is bound
                                                EM-radiation?<br
                                                  clear="none">
                                                ><br clear="none">
                                                > In the case of
                                                electron/positron
                                                annihilation, restmass
                                                is converted to
                                                relativistic mass &
                                                then to radiation.
                                                However, I do not know
                                                of any text or paper
                                                that identifies
                                                relativistic mass as
                                                bound EM-radiation. Your
                                                statement is close to
                                                that.<br clear="none">
                                                ><br clear="none">
                                                > Andrew<br
                                                  clear="none">
                                              </div>
                                            </div>
                                            >
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