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Old 7th May 2013, 06:06 PM   #11
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Of course,

my above statement was very general. In the presence of dielectrics or within a waveguide or transmission line (like a microstrip PCB), the signal speed is significantly lower than in vacuum.

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Old 11th May 2013, 10:52 AM   #12
M Gregg is offline M Gregg  England
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Just a thought,

The ideas of using spin properties for programming...
There seems to already be programming in place.. Pauli exclusion principle..
Would this be classed as programming?

M. gregg
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Old 9th July 2013, 07:42 AM   #13
M Gregg is offline M Gregg  England
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A bit more on spin..

A Strange New Quantum State of Matter: Spin Liquids

M. Gregg
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Old 9th July 2013, 11:01 AM   #14
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In a wire the electrons themselves move at the pace of thick treacle the charge however moves at near the speed of light.
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Old 9th July 2013, 11:32 AM   #15
marce is offline marce  United Kingdom
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Velocity factor, it depends on the dielectric the wave is travelling through.

Vf=1/sqr rt.Er

For PCB's (majority, FR4 based material) its about half the speed of light, approx. 6"/ns or 150mm/ns.
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