[Script Info]
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[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:06.15,0:00:08.09,Default,,0000,0000,0000,,Mysteries of vernacular:
Dialogue: 0,0:00:08.09,0:00:09.70,Default,,0000,0000,0000,,X-ray,
Dialogue: 0,0:00:09.70,0:00:12.21,Default,,0000,0000,0000,,a form of electromagnetic radiation
Dialogue: 0,0:00:12.21,0:00:15.10,Default,,0000,0000,0000,,capable of penetrating solids.
Dialogue: 0,0:00:15.10,0:00:17.13,Default,,0000,0000,0000,,The word X-ray harkens back
Dialogue: 0,0:00:17.13,0:00:19.52,Default,,0000,0000,0000,,to the work of Rene Descartes,
Dialogue: 0,0:00:19.52,0:00:20.98,Default,,0000,0000,0000,,a French philosopher,
Dialogue: 0,0:00:20.98,0:00:22.01,Default,,0000,0000,0000,,mathematician,
Dialogue: 0,0:00:22.01,0:00:25.61,Default,,0000,0000,0000,,and writer in the 17th century.
Dialogue: 0,0:00:25.61,0:00:28.34,Default,,0000,0000,0000,,One of Descartes innumerable contributions
Dialogue: 0,0:00:28.34,0:00:29.77,Default,,0000,0000,0000,,to the world of numbers
Dialogue: 0,0:00:29.77,0:00:33.25,Default,,0000,0000,0000,,was the invention of a simple yet brilliant convention
Dialogue: 0,0:00:33.25,0:00:36.16,Default,,0000,0000,0000,,most people take for granted today:
Dialogue: 0,0:00:36.16,0:00:38.33,Default,,0000,0000,0000,,the representation of unknowns
Dialogue: 0,0:00:38.33,0:00:43.10,Default,,0000,0000,0000,,within an equation as X, Y, and Z.
Dialogue: 0,0:00:43.10,0:00:46.34,Default,,0000,0000,0000,,When the German scientist Wilhelm Rontgen
Dialogue: 0,0:00:46.34,0:00:48.28,Default,,0000,0000,0000,,discovered what we now call X-rays
Dialogue: 0,0:00:48.28,0:00:50.34,Default,,0000,0000,0000,,in the late 19th century,
Dialogue: 0,0:00:50.34,0:00:53.74,Default,,0000,0000,0000,,he gave them the name X-strahlen.
Dialogue: 0,0:00:53.74,0:00:56.33,Default,,0000,0000,0000,,Strahlen is German for shine,
Dialogue: 0,0:00:56.33,0:01:00.32,Default,,0000,0000,0000,,and X, of course, represented the unknown nature
Dialogue: 0,0:01:00.32,0:01:03.39,Default,,0000,0000,0000,,of the radiation Rontgen had discovered,
Dialogue: 0,0:01:03.39,0:01:05.62,Default,,0000,0000,0000,,the X-factor, so to speak.
Dialogue: 0,0:01:06.43,0:01:09.26,Default,,0000,0000,0000,,The English translation maintained the X
Dialogue: 0,0:01:09.26,0:01:12.92,Default,,0000,0000,0000,,but replaced the German shine with ray,
Dialogue: 0,0:01:12.92,0:01:15.57,Default,,0000,0000,0000,,meaning a beam of light.
Dialogue: 0,0:01:15.57,0:01:17.79,Default,,0000,0000,0000,,Coincidentally, in mathematics,
Dialogue: 0,0:01:17.79,0:01:19.85,Default,,0000,0000,0000,,the word ray refers to a line
Dialogue: 0,0:01:19.85,0:01:22.72,Default,,0000,0000,0000,,with a point of origin that has no end
Dialogue: 0,0:01:22.72,0:01:25.03,Default,,0000,0000,0000,,and extends to infinity,
Dialogue: 0,0:01:25.03,0:01:27.98,Default,,0000,0000,0000,,bringing us neatly back to the unknown.
Dialogue: 0,0:01:27.98,0:01:31.79,Default,,0000,0000,0000,,Today we understand what X-radiation is,
Dialogue: 0,0:01:31.79,0:01:33.75,Default,,0000,0000,0000,,and in spite of the humble objections
Dialogue: 0,0:01:33.75,0:01:35.38,Default,,0000,0000,0000,,of its discoverer,
Dialogue: 0,0:01:35.38,0:01:39.16,Default,,0000,0000,0000,,it is also commonly called Rontgen Radiation,
Dialogue: 0,0:01:39.16,0:01:40.90,Default,,0000,0000,0000,,eliminating with the X
Dialogue: 0,0:01:40.90,0:01:43.94,Default,,0000,0000,0000,,the fundamental mystery of its nature.