Question: Will the airplane take off?

If an airplane is on a large conveyor belt and is trying to take off by exerting the thrust needed to move it forward at 100 knots, and the conveyor belt starts moving backwards at 100 knots, will the plane be able to take off, or will it just sit stationary relative to the ground, with the backwards speed of the conveyor belt counteracting the forward thrust of the plane?

There is debate. I don’t know what the answer is, but it’s kind of cool.

Tempus Fugit: Airplane on a Conveyor Belt

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Love Susan Kare, wear the t-shirt

The woman who designed the original Macintosh computer icons, the Windows 3.0 solitare cards and numerous other icons for computer operating systems and websites. Susan Kare’s skill in making icons comes from portraying a complex idea with an incredibly simple image that may only be a couple of dozen dots.

You love her work, you know the original ‘sad mac and happy mac‘ icons, now you can wear the merchandise!

Paint Icon on CafePress.com

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