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8/3/2019 Scorpio 25: An X ray
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Scorpio 25: An X ray
An x-ray i s a high-energy form of electromagnetic radiat ion having a
wavelength in the range of 0 .01 to 10 nanometers and energy levels in
t h e r a ng e o f 1 2 0 e V t o 1 2 0 ke V. 1
In many languages, X-radiation is
called Röntgen radiation, after Wilhelm
Conrad Röntgen, who is generally
credited as its discoverer, and who had
named it X-radiation to signify an
unknown type of radiation.2
Th e p s e u d o -p r e f i x x- would
s e e m , t h e n , t o be r e l a t e d t o La t i n
p r e f i x ex- which means “outside,
out of , away from.” 3 That pref ix
d e s c e nd s f r o m t h e I nd o -E u r o p e a n
(IE) root eghs- which means “out” and from which also desce nd the
words exoteric , exotic , external , exterior , extreme, a nd strange. 4
The words r adi at e (to send our rays or waves; To extend in straight
l i ne s f r o m o r t o w a r d a c e nt e r ) a nd ray (beam of l ight) are both related
t o radius which descends from the Lat in radius (staf f , spoke of a wheel ,
beam of l ight) . The or igin of this word is unknown but i t has been
suggested that i t related to radix which means “root .” 5
The word r adi x d e s c e nd s f r o m t h e I E r o o t wrad- which means “branch,
root” and from which also descend root , wort , radical , radical , radish,
radix , eradicate, deracinate, ramify and l icorice.
THEMES: Two rather obvious themes or related ideas are present
above. The f irst is that of an ex - r adi cal , someone who formerly
advocated “fundamental or REVOLUTIONARY CHANGES i n c u r r e nt
1 http://education.yahoo.com/reference/dictionary/entry/x-ray2 http://en.wikipedia.org/wiki/X-ray
3 http://education.yahoo.com/reference/dictionary/entry/ex-
4 Watkins, C. (2000), The American Heritage Dictionary of Indo European Roots, p. 22
5 http://www.etymonline.com/index.php?term=radius
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practices , condit ions, or inst i tutions.” 6 A s e c o nd i d e a i s s i m p l y t h e x t h
radical or root of a number (n) , as shown in the f igure below.
6 http://education.yahoo.com/reference/dictionary/entry/radical