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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: A, B, C, D, E, F, G, H, I, J-K, L, M-OP-QR, S, T-Z

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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

Run or walk in the rain?

Should you run or walk when crossing a street in the rain without an umbrella (Fig. 1-1)? Running certainly means that you spend less time in the rain, but it also means that you may be intercepting more of the raindrops. Does the answer change if a wind blows the drops either toward or away from you? MORE

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