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On Fri, 20 Jun 2008 10:47:34 +0100, Invisible <voi### [at] dev null> wrote:
>I am now sitting
>inside my office, with a door that nobody except me can open.
So you are not operating "an open door policy" today? :)
--
Regards
Stephen
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Invisible <voi### [at] devnull> wrote:
> And apparently my key is a "master
> key" that opens several other doors as well. (Doesn't that mean all the
> locks are identical??)
No. Why would you think that?
--
- Warp
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>> And apparently my key is a "master
>> key" that opens several other doors as well. (Doesn't that mean all the
>> locks are identical??)
>
> No. Why would you think that?
Because any given key only opens locks of the exact same shape?
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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Stephen wrote:
> So you are not operating "an open door policy" today? :)
Oh God, that surely desurves a rimshot! ;-)
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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On Fri, 20 Jun 2008 11:31:44 +0100, Invisible <voi### [at] devnull> wrote:
>Stephen wrote:
>
>> So you are not operating "an open door policy" today? :)
>
>Oh God, that surely desurves a rimshot! ;-)
<g>
--
Regards
Stephen
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On Fri, 20 Jun 2008 11:31:23 +0100, Invisible <voi### [at] devnull> wrote:
>>> And apparently my key is a "master
>>> key" that opens several other doors as well. (Doesn't that mean all the
>>> locks are identical??)
>>
>> No. Why would you think that?
>
>Because any given key only opens locks of the exact same shape?
http://en.wikipedia.org/wiki/Key_(lock)
--
Regards
Stephen
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>> No. Why would you think that?
>
> Because any given key only opens locks of the exact same shape?
Locks can be designed to be opened by two different keys (usually a unique
key and a master key common to several locks).
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scott wrote:
> Locks can be designed to be opened by two different keys (usually a
> unique key and a master key common to several locks).
Really? Hmm... sounds physically implausible to me, but OK.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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On Fri, 20 Jun 2008 11:46:07 +0100, Invisible <voi### [at] devnull> wrote:
>scott wrote:
>
>> Locks can be designed to be opened by two different keys (usually a
>> unique key and a master key common to several locks).
>
>Really? Hmm... sounds physically implausible to me, but OK.
That is because you don't know how a lock and key work. They are very
simple physical devices.
--
Regards
Stephen
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>> Really? Hmm... sounds physically implausible to me, but OK.
>
> That is because you don't know how a lock and key work. They are very
> simple physical devices.
The shape of the key aligns a series of pins. By design, exactly one
shape of key does this. It's difficult to see how you'd make two
unrelated shapes both have this property.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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