Introducing the Time Travel add-on pack. Turn back the clock in these zany levels with more amazing physics combined with 3D Rube Goldberg-style gameplay.

SAN FRANCISCO, Aug. 31 /PRNewswire/ -- Esurance, the direct-to-consumer personal auto insurance company, recently revealed plans for its on-site presence at the 2010 US Open in Flushing Meadows, New York.

Fanciful and improbable devices for doing household tasks earned immortality for cartoonist Rube Goldberg, who graduated from UC Berkeley in 1904.

By Tom Lochner Linnea Gullikson took a toy gun and shot a mousetrap, which pulled open the pop-up top of a drinking bottle, pouring water down a winding tube from where it dropped onto the blades of a water wheel fashioned from the hollow halves of plastic Easter eggs.

Purdue University students won the national Rube Goldberg Machine Contest on Saturday by proving that changing the batteries in a flashlight isn't always simple.