TED Talks: Why Does `X` Represent The Unknown?

Submitted by: Buiadh 5 years ago in Science

Why is "x" the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.
There are 8 comments:
Female 10
but if u cant say sh in spannish .. it just says span then ..
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Male 101
@fancythat
Yes it is. If you give a bit more thought to the talk you can spend a long time thinking of, for example how the lack of a certain sound can influenced humanities view of the world, culture etc.
Even if it`s not true it`s still an idea which can lead to brilliant thoughts, that`s why it`s worth sharing. And for that reason alone it`s worth the time on TED.

Oh, and do tell me how is he negatively impacting other talks? Especially being this 3 minute speech which probably took place during one of the brakes between the "more useful talks".
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Female 734
if you can`t say shhh in Spanish then what sort of shushing sound do they make instead?
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Male 1,949
This is an idea? This is an idea worth sharing? Get off the stage. You`re negatively impacting the other, more useful talks.
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Male 92
SHHHHHHHHHIT
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Male 416
This myth has been propagated previously. Cajori`s A History of Mathematical Notations, originally published in the 1920s, references this story but states that there is no historical basis for it.

It`s an interesting story, but shouldn`t be taken (or purported) as truth.
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Male 2,106
Even when they are informative, I get this pompous ass vibe from almost all these Ted talks.
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Male 6,737
Link: TED Talks: Why Does `X` Represent The Unknown? [Rate Link] - Why is `x` the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.
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