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Featured Question


Engineering

Tim Wiebe from the Internet asks,

Since a plane's wing is designed to fly right side up, how does a plane stay up in the air when it...

the answer

You have hit upon a controversy. Here's an answer from another website ( Read the answer...


Physics

paul valent from quakertown asks,

Is the line spectrum that is produced by a fluorescent tube the result of some of the visible light...

the answer

Yes. While they are not line spectra, here are some Read the answer...


Physics

A. S. Kaire from Quezon asks,

If the earth were suddenly stopped in its orbit, how long would it take for it to fall into the sun?

the answer

As it happens, this problem is very difficult to solve analytically (i.e. by...

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Biology

Avi from Vancouver, Canada asks,

Are double yolked eggs ever viable? Can they be fertilized? If so are they to be fertilized once or...

the answer

[Editor: Quick answers are 1. Yes double yolk eggs can be viable. 2. They...

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