20110502



=Space Hotel Proposal: Due Tomorrow!= On Tuesday, I need to know from each of you:
 * Your partner (if you chose to work together);
 * Your medium (the kind of ad you will submit);
 * Your Featured Weightless Attraction;
 * Your Featured Sim-Grav Attraction.

=Forces of Flight= media type="custom" key="9268046"

=Sonic Boom= Play with these simulations to get the idea of a "sound barrier".
 * [[image:SS_Doppler1.png link="@http://www.astro.ubc.ca/~scharein/a311/Sim/doppler/Doppler.html"]] || [[image:SS_Doppler2.png link="@http://dev.physicslab.org/asp/applets/doppler/default.asp"]] ||

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