Thu
Sep 6 2012 4:30pm

Gravity’s Engines Sweepstakes!

Oh, we've got a cool copy of Gravity's Engine by Caleb Scharf for one of you! Find out how black holes mean a lot more than those terrifiying, sucking voids we've been warned about — they blows bubbles! This is a wonder of science, and we're finding out about it right now!

Check below for the rules:

THE RULES: The first person to email their name and address to This e-mail address is being protected from spambots. You need JavaScript enabled to view it This e-mail address is being protected from spambots. You need JavaScript enabled to view it This e-mail address is being protected from spambots. You need JavaScript enabled to view it This e-mail address is being protected from spambots. You need JavaScript enabled to view it will receive a copy of the book. Please make the subject of your email “Gravity's Engines Sweepstakes.” Good luck! Do not comment in this post for the sweepstakes, and for safety reasons PLEASE DO NOT leave your address in the comments.

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