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, 1F, 1G, 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-O, P-Q, R, 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 Spotlight
Here is an image of water being poured in an upside down jet. The water stream curves away from the ground, as if an anti-gravity force has been turned on. What causes the stream to behave that way? It is not centrifugal force because, with the water in free fall, the only force acting on the water is gravity.
Flying 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
© 2015 Jearl Walker. All Rights Reserved