A unit of measurement is defined as the magnitude of a physical quantity, defined and adopted by convention or by law. We are all familiar with meters, miles, gallons, pounds and sagans.
Showing posts with label Carl Sagan. Show all posts
Showing posts with label Carl Sagan. Show all posts
Wednesday, April 24, 2013
Wednesday, April 03, 2013
CANDLE in the Dark-April A-Z
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| Carl Sagan, Right Again! |
“I have a foreboding of an America in my children's or grandchildren's time -- when the United States is a service and information economy; when nearly all the manufacturing industries have slipped away to other countries; when awesome technological powers are in the hands of a very few, and no one representing the public interest can even grasp the issues; when the people have lost the ability to set their own agendas or knowledgeably question those in authority; when, clutching our crystals and nervously consulting our horoscopes, our critical faculties in decline, unable to distinguish between what feels good and what's true, we slide, almost without noticing, back into superstition and darkness..."
― Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark -1995
Labels:
April A-Z 2013
,
Carl Sagan
,
Critical Thinking
,
Pseudoscience
,
science
Wednesday, September 05, 2012
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