Re: Pinhole Daily Digest

Art Fortgang (afortga@ed.co.sanmateo.ca.us)
Thu, 12 Mar 98 07:20 PST


Date: Thu, 12 Mar 98 07:20 PST
Message-Id: <2.2.16.19980305071123.23e7d56a@ed.co.sanmateo.ca.us>
To: "Pinhole Listserv" <pinhole@exploratorium.edu>
From: Art Fortgang <afortga@ed.co.sanmateo.ca.us>
Subject: Re: Pinhole Daily Digest

Paul

TF and TC need to be reversed in the equations you posted on March 11.

Art

At 12:03 AM 3/12/98 -0800, you wrote:
>
>----------------------------------------------------------------------
>
>Date: 11 Mar 1998 09:32:14 U
>From: Richard Brooks <richardb@exploratorium.edu>
>Subject: More on temperature [kinda]
>
>Pinholers,
> Okay, Paul--while we're at it, it's still "Celsius" (after Anders
>Celsius, I believe), right? Or is "Celcius" the new SI spelling?...
>Just wondering,
>Troll Buttinsky
>
>
>
>----------------------------------------------------------------------
>
>Date: 11 Mar 1998 10:32:06 U
>From: pauld@exploratorium.edu (Paul Doherty)
>Subject: Re: More on temperature [kinda]
>
>El Troll is correct Celsius is the correct spelling.
>
>Here is a different formula to conmvert Celsius to Farenheit
>
>TF = (TC + 40)(5/9) -40
>
>and vice versa
>
>TC = (TF + 40)(9/5) -40
>
>This set of equations is based on the observation that -40 #161#F = -40#161#C.
>Then you only have to remember the factor 5/9 and whether Celsius degrees
>are larger or smaller to determine whether you multiply by 5/9 or 9/5.
>
>Paul Doherty
>
>
>
>
>----------------------------------------------------------------------
>
>Date: 11 Mar 1998 17:32:45 U
>From: NFetter <NFetter@aol.com>
>Subject: Re: Re: More on temperature [kinda]
>
>Hi Paul,
>I have completely dropped these conversion eqauations from my chemistry
>teaching because:
>1. the equations only add to student confusion about temperature.
>2. the gas laws use only the Kelvin scale.
>3. student thermometers all say degrees Celsius.
>I guess there are Fahrenheit people and Celsius people and nowadays they
>rarely meet.
> Neil Fetter
>
>
>
>----------------------------------------------------------------------
>
>Date: 11 Mar 1998 18:02:09 U
>From: pauld@exploratorium.edu (Paul Doherty)
>Subject: Re: Re: More on temperature [kinda]
>
>I use the equations to convert between F and C myself when visiting Canada
>or Sweden or just about anyplace on earth other than the US in order to
>talk temperatures with the locals.
>I lived in Detroit long enough that I almost think in Celsius.(In Detroit
>one listens to Canadian weather forecasts.)
>
>Paul Doherty
>
>
>
>
>----------------------------------------------------------------------
>
>Date: 11 Mar 1998 23:50:39 U
>From: Yvonne Wong <yvonnew@jps.net>
>Subject: alumni summer institute 98
>
>Will you be putting the 1998 alumni summer institute application on line
>in the alumni section?
>
>
>
>
>