[ExI] Optical illusion tricks you into seeing different colors

Mike Dougherty msd001 at gmail.com
Thu May 20 13:26:07 UTC 2021


On Wed, May 19, 2021, 2:23 PM spike jones via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> for the sake of argument, so when anyone is on that Admin account, we know
> that the person entered AdminSzmW6 do we not?
>
> No we do not, for the person could have entered
>
> AdminSzmW7{delete}6
>
I have many times considered improving "password security" by including
delete/tab/arrow/etc keystrokes.

>  Following that logic, there are infinitely many keystroke series that can
> unlock that account.  By the initial assumption there is only one password,
> we oversimplify the model in such a way we have set infinity to a value of
> 1.
>
Hey now, tossing around 'infinity' in front of fellow math nerds... "dems
fightin' words"

>  Cool aside: there are infinitely many keystroke series that will unlock
> the account, but an infinitely bigger infinity keystroke series which will
> not.  The latter infinite series is infinitely larger than the former
> infinite series, such that random guessing at the password results in an
> infinitesimal probability of accidental discovery.  So in that case,
> infinity over infinity approaches zero.
>
Ain’t math fun?
>
You use rigorously defined Math terms in a practically undefinable context
like English to create cognitive dissonance.. aka fun.

> But I digress.
>
Yes; you should just include that tagline in your email sig. :)  tbh, I've
missed it.

>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.extropy.org/pipermail/extropy-chat/attachments/20210520/3305bcc9/attachment-0001.htm>


More information about the extropy-chat mailing list