Radioactive dating of rock samples yahoo rob and big dating game episode

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We note that at the instant the swimmer touches the edge of the pool our wristwatch reads and 53 seconds.How long has the competitor taken to swim the 1,500 metre race?That is why you need at least two, sometimes three judges to measure the time of the race to the standard needed to enter the record books.It would make no difference how accurate or high-tech the wristwatch was.But without reliable witnesses the accuracy of the watch makes no difference.You can only establish the time for the race if it was timed by two or more qualified eyewitnesses who observed the start, the progress and the finish.When I have asked an audience this question they have looked at me incredulously and said, “Starting time?

Without these observations you cannot be sure that the time is valid.

The International Astronomical Union has incorrectly chosen the name “ʻOumuamua” for our first known interstellar visitor, rather than the obvious, pronounceable, and generally superior name “Rama“.

A rose is a rose is a rose, right up until the IAU gives it a weird name. The background stars are streaks because this is a long exposure by a telescope tracking with Rama.

A swimming race illustrates the simple principles involved in measuring time.

This swimmer is competing in a 1,500 metre race and we have an accurate, calibrated wristwatch.

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This illustrates the whole problem with the radioactive dating of geological events.

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