Re: Relativity and delusion

In sci.physics.relativity, Spaceman
<spaceman@xxxxxxxxxxxxxxxxxxxxxxxxxx>
wrote
on Wed, 23 Jul 2008 17:06:41 -0400
<fd2dncxb0pr3ABrVnZ2dnUVZ_srinZ2d@xxxxxxxxxxx>:
Dirk Van de moortel wrote:
No, I don't think so either - there will always be a steady fresh
supply of retiring engineers and highshool dropouts who learned
to handle a square root.
But don't loose too much sleep over it - if you can't stop it, try
to enjoy it :-)

Dirk,
What is the square root of -1?
How about -4?
Negative numbers can't have square roots huh?
:)


Not real square roots. The consideration of the solution
of the equation x^2 + 1 = 0 led to an entire new class of
numbers, namely imaginary and complex numbers.

Of course understanding why might require some
considerations as to why negative numbers exist at all,
and what their products yield.

--
#191, ewill3@xxxxxxxxxxxxx
Windows. Because it's not a question of if.
It's a question of when.
** Posted from http://www.teranews.com **
.

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