This Day in History, 1981: The First Personal Computer

Twenty-four years ago today, IBM introduced the first Personal Computer to the marketplace. They sold 136,000 units in the first year.

Today, of course, you're reading this on a computer. Who would have predicted? (Well, except for Vernor Vinge.)

Mars Reconnaissance Orbiter Launched

I just turned on NASA TV, and it would appear as if the MRO was successfully launched at 7:43 AM EDT, just a few minutes ago. Hooray!