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

The fifth video of the new Flying Circus video series has now been posted at the following site. New videos will appear about once a month. If you want to subscribe to the channel, use the subscribe button. 

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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

----  Jearl Walker

Flying Circus of Physics SpotlightFlying Circus of Physics Spotlight

Pointy ice drops
Thursday, October 01, 2015

Freezing a small drop of water results in a pointy top and then fern-like structures that sprout from the sides. What in the world is going on?

Flying Circus of Physics SampleFlying Circus of Physics Sample

Cocktail-party effect

In a small party with people standing and talking in pairs, each member of a pair stands at a “socially acceptable” distance from the other and the two can hear each other without any trouble. However, as the density of people in the room increases, why does hearing become more difficult, and what does each member of a pair do in response? Why can a voice still be distinguished? You might notice these same effects in many other environments, such as a noisy restaurant or subway car. MORE


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