fahrenheit http://wrvo.org en Close the Door, I Feel a Draft! http://wrvo.org/post/close-door-i-feel-draft <p>John Weeks discusses the history of Fahrenheit and Celsius. He points out that there are some detectable differences which a simple thermometer cannot detect. Tue, 22 Jan 2013 16:00:00 +0000 John Weeks 29179 at http://wrvo.org