Gravity is proportional to mass, not density. The density of a star doesn't really matter; if you are a distance away greater than the stars radius you will feel a force as if all the stars mass were concentrated at the center.
The Kruger-Dunning effect: http://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect. The less you know about something, the more certain you are that your intuitions about it are correct.
Try reading Structure and Interpretation of Computer Programs. After reading it you will understand everything more fully than before, while being exposed to a new and elegant syntax.
What the fuck? You can't justify being an asshole by voting for Barack Obama. Who cares how much you donated? There are plenty of wealthy successful asshole Democrats. Trust me, I am related to some of them.
And if it makes a difference to you,
I also voted for Barack Obama.
Another one bites the dust...
Scheme is my favorite programming language, and it wasn't even the first one I learned. Plus it supports multiple programming paradigms so you won't immediately be locked into one in the beginning as with Java or a c derivtive.
I downloaded a demo for Warhawk, a game I had never heard of for ps3. To my suprise the demo had full multiplayer online and was a really good battlefield/flier, after playing the demo (on a single level) for a month and a half we bought the game and still play it all the time.
Perhaps demos offer a way for good games with no following to get their foot in the door.