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The Flying Circus of Physics is a book about curious events and effects of the everyday world. This site is an extension of the book.

Spotlight story for this month: Click on the title down below here
Secondary stories for this month: Click on "News/Updates" in menu at the left
Archived stories and links (hundreds): 1A, 1B, 1C, 1D, 1E, 1F1G, 2A, 2B, 2C, 2D, 2E, 3, 4, 5, 6, and 7
Index to this site and the book, not only individual terms but also collections, such as "Pub physics" and "Accidents": A, B, C, D, E, F, G, H, I, J-K, L, M-OP-QR, S, T-Z

Store
(books, tee shirts, mug): click on "Store" in the menu at the left
Newsletter Emailed every three months (I am the only one that can see your email address. Indeed, I am the only one that can access anything here.) Sign up in the menu at the left.
Facebook Flying Circus of Physics site (public site): my old television videos and many photos. Here is the link. Come for a visit, and consider signing up as a fan of the site.
Jay Waller stories: Physics for
Citations (over 11,000) and links (over 2000) for items in the book (pdf files):
       Chap 1, Chap 2, Chap 3, Chap 4, Chap 5, Chap 6, Chap 7
A random sample from the book appears at lower right each time you come to this site.

----  Jearl Walker
ps. If the biplane at the top of the page doesn't have sound and motion, download the free flash player from Adobe.com.

Flying Circus of Physics SpotlightFlying Circus of Physics Spotlight

Cow tipping
Friday, August 01, 2014

Stories abound, especially among young men after a few beers, that a sleeping cow can be tipped over when someone pushes on it. The physics of such a stunt has been debated everywhere from bars to the television show The Big Bang Theory. 

Flying Circus of Physics SampleFlying Circus of Physics Sample

Circular water-flow pattern in a sink

When a smoothly flowing water stream from a faucet hits a flat sink with an open drain, why does a circle form around the impact point, with deeper water on the outside of the circle? MORE

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