Dianne Talsma (23 Sep 2004)
"Swimming in syrup is as easy as water"


Shalom All:

Swimming in syrup is as easy as water
http://www.nature.com/news/2004/040920/full/040920-2.html

"But while it might sound like a trivial question, the principle is actually
fundamental. Isaac Newton and his contemporary Christiaan Huygens argued the
toss over it back in the 17th century while Newton was writing his Principia
Mathematica, which sets out many of the laws of physics. Newton thought that
an object's speed through a fluid would depend on its viscosity, whereas
Huygens thought it would not. In the end, Newton included both versions in
his text.

"Hamstrung by their lack of access to guar gum or competitive swimmers,
Newton's and Huygens' work was mainly theoretical. Cussler's demonstration
shows that Huygens was right, at least for human-sized projectiles."

Dianne
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