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Re: where does time go



On Fri, 31 Oct 2025, David wrote:

> On Fri, 31 Oct 2025 at 22:09, David <bouncingcats@gmail.com> wrote:
>
>> Hi, there's more explanation here:
>>   https://en.wikipedia.org/wiki/Drift_velocity
>
> Sorry, I forgot to mention, their example:
>  https://en.wikipedia.org/wiki/Drift_velocity#Numerical_example
>
> Similar to Thomas, calculates a drift velocity of 20 micrometers
> per second for 1 ampere in a 2mm copper wire.
>
> But the final sentence on that page is interesting:
>    "By comparison, the Fermi flow velocity of these electrons (which, at
>    room temperature, can be thought of as their approximate velocity in
>    the absence of electric current) is around 1570 km/s."
>

all that make my head hurt
i program i saw recently about the sun said a proton created near the core can take millions of years to reach the surface
talk about a traffic jam


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