Ah, the 'Why' stage. Brings back a few memories. One time we driving in the country. My son asked me, "Why don't cows wipe their bottoms after they poo?" I answered, "Because their hooves tear through the toilet paper."
Cheers Donald 0423 102 090 www.sundialsforlearning.com On Wed, Apr 3, 2013 at 1:06 AM, Richard B. Langley <l...@unb.ca> wrote: > Question #4 is one that many adults don't know the answer to. There have > been whole books written about it including Why the Sky Is Blue: > Discovering the Color of Life by Gotz Hoeppe, translated by John Stewart > (Winner of the 2010 Louis J. Battan Author's Award, awarded by the American > Meteorological Society). See: http://press.princeton.edu/titles/8369.html. > It recounts attempts at the explanation down through the ages starting with > the ancient Greeks. I'm half-way through it. > > I attempted to briefly answer the question in the introduction to one of > my GPS World Innovation columns. I'm attaching a PDF file of the first page > of the article. The full article is too long to post but if anyone would > like to have it, just contact me off list. > > -- Richard Langley > > > > > On 2013-03-29, at 4:56 AM, Frank King wrote: > > > Dear All, > > > > Widely reported in U.K. news reports > > today are the top five questions > > that children ask their mothers: > > > > 1) Why is water wet? > > > > 2) Where does the sky end? > > > > 3) What are shadows made of? > > > > 4) Why is the sky blue? > > > > 5) How do fish breathe under water? > > > > I am delighted to note that children > > are seemingly so interested in our > > subject area; questions 2, 3 and 4 are > > definitely sundial related! > > > > Clearly we should try to exploit this > > enthusiasm. Meantime... > > > > Could some Mum on this list please let > > us know the answer she gives to Q3? > > > > Frank H. King > > Cambridge, U.K. > > > > Example References: > > > > http://www.reuters.com/article/2013/03/28/idUSnMKW103a+70+MKW20130328 > > > > > http://www.telegraph.co.uk/news/uknews/9959026/Mothers-asked-nearly-300-questio > > ns-a-day-study-finds.html > > > > --------------------------------------------------- > > https://lists.uni-koeln.de/mailman/listinfo/sundial > > > > > ----------------------------------------------------------------------------- > | Richard B. Langley E-mail: l...@unb.ca > | > | Geodetic Research Laboratory Web: > http://www.unb.ca/GGE/ | > | Dept. of Geodesy and Geomatics Engineering Phone: +1 506 453-5142 > | > | University of New Brunswick Fax: +1 506 453-4943 > | > | Fredericton, N.B., Canada E3B 5A3 > | > | Fredericton? Where's that? See: http://www.fredericton.ca/ > | > > ----------------------------------------------------------------------------- > > > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > > >
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