Uncategorized
-
19186
In your article, a spinning coin’s motion is explained by the existence of an air cushion between coin and tabletop. If this is indeed the case, then I would expect coins to do something quite different in a vacuum. What do they do? Richard Chambers Charlotte, N.C. H. Keith Moffatt offers an explanation for the […]
- Math
Spinning to a rolling stop
Air viscosity makes the rolling speed of a spinning, tipping coin go up as its energy goes down until the coin suddenly stops.
- Health & Medicine
A different GI link to colon cancers
Diets rich in sweets and other quickly digested carbohydrates appear to increase an individual's risk of developing colon cancer.
