Sujet : Re: ? ? ?
De : ttt_heg (at) *nospam* web.de (Thomas Heger)
Groupes : sci.physics.relativity sci.physics sci.mathDate : 25. Mar 2024, 07:57:19
Autres entêtes
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Am 23.03.2024 um 18:21 schrieb TReena Pooja Kishan:
Thomas Heger wrote:
>
I always distinguish between a quantity and the measurement of this
quantity. E.g. 'length' is a (physical) quantity and is measured in
meters.
>
no, you don't. The meter is the length, not the space, which is a
dimension. You use space to count lengths, here meters.
>
I actually do, because 'meter' is the name of a unit, which is used to
measure 'length'.
>
ludicrous. The meter is a length in itself, and without space you have no
meter. Undrestand this, space and time are not quantities you measure. You
use them to measure something else. For instance, your government is a
whore. They never stop stealing from other countries with that fake
No, units are used, if you measure something.
This 'something' is what you measure (here: a distance), while the units (here: meters) belong to the measurement.
A device as simple as a ruler can measure some length. But the ruler or the inscriptions on it are not length.
TH