michael from the NASA-will-fake-this-one-too dept.
nerdygeek writes "According to this article from the BBC, NASA chief Daniel Goldin has predicted there will be astronauts on Mars by 2020. We've heard things like this before, but not as strongly worded, especially when he speaks of robots and people heading for other stars."
We warn the reader in advance that the proof presented here depends on a
clever but highly unmotivated trick.
-- Howard Anton, "Elementary Linear Algebra"