> >>>> snipped-for-privacy@netzero.com wrote:
>>>> Oh? I guess physics has changed in the 40 years or so since I last
>>>> studied it. Seems to me, that at that time, light was made up of
>>>> 'photons', and was only in the 'electromagnetic spectrum' by virtue
>>>> of wavelength considerations. VERY different from the flow of
>>>> electrons, at least by the standards I studied. Has this changed?
>>> No but there seems that there's some confusion here: light is
>>> precisely coupled undulations in the electric and magnetic fields.
>>> These are quantised, and the quantum is called the photon.
>>>
>>> The flow of electrons is another story. But it can be cast in the same
>>> terms. For that matter, sound waves in solids can be cast in the same
>>> form: there, you'd probably think of them as "waves", but in fact they
>>> can also be thought of as consisting of particles-phonons. And so on.
>>
>> Somebody once told me that even machine-gun bullets will show a
>> diffraction pattern.
>>
>> That'd be a fun experiment! ;-)
>>
> Can you imagine trying to convince the teacher that you only brought
> that machine gun to school as part of your science project? Grin.
I think for an effective demo your target needs to be something like prison bars. ;-)
Cheers! Rich