Re: are atoms conceptual placeholders or perceived entities?

On Feb 9, 10:18 am, "malibu" <vega...@xxxxxxxxxxxxx> wrote:
On Feb 9, 10:14 am, Uncle Al <Uncle...@xxxxxxxxxxxxx> wrote:





metaperl wrote:

Hi, I think the title says it all. I'm wondering if atoms and their
grade-school component parts, the proton, neutron, and electron have
all been seen or if they are simply conceptually necessary to explain
other more macroscopic phenomena.

Any references supporting replies is appreciated.

Google
"atomic force microscope" 937,000 hits
"field emission microscope" 24,300 hits
"neutron diffraction" 1,050,000 hits
"electron diffraction" 1,100,000 hits
SLAC accelerator 775,000 hits

Colella-Overhauser-Werner and Bonse-Wroblewski neutron
interferometers.
Kasevich-Chu atom interferometers.

--
Uncle Alhttp://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)http://www.mazepath.com/uncleal/lajos.htm#a2

shadows on the cave wall, Al

So is your image of an apple, John. It's just the cave wall you're
used to, that's all.

PD

.

Relevant Pages

  • Re: are atoms conceptual placeholders or perceived entities?
    ... grade-school component parts, the proton, neutron, and electron have ... "field emission microscope" 24,300 hits ... shadow on a cave wall. ...
    (sci.physics)
  • Re: are atoms conceptual placeholders or perceived entities?
    ... I'm wondering if atoms and their ... grade-school component parts, the proton, neutron, and electron have ... "field emission microscope" 24,300 hits ...
    (sci.physics)
  • Re: are atoms conceptual placeholders or perceived entities?
    ... grade-school component parts, the proton, neutron, and electron have ... "field emission microscope" 24,300 hits ... Kasevich-Chu atom interferometers. ...
    (sci.physics)
  • Re: neutron stars
    ... The gravitational potential is only like 1/r outside the star, ... You mean the Schroedinger or Dirac equation for the electron alone, ... Doesn't his theory apply as well to neutron stars ... >> the nucleus literally goes around the electron. ...
    (sci.chem)
  • Re: neutron stars
    ... The gravitational potential is only like 1/r outside the star, ... You mean the Schroedinger or Dirac equation for the electron alone, ... Doesn't his theory apply as well to neutron stars ... >> the nucleus literally goes around the electron. ...
    (sci.astro)
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