Here are some links related mostly to Star Wars. Enjoy.
Investigative reporting: Was the destruction of the Death Star an inside job?
Regarding the implausibility of the Death Star's trash compactor
Funny video: Vader phones Emperor Palpatine about the destruction of the Death Star (from Robot Chicken)
Physics of the Death Star's super laser explained
Wikipedia Death Star entry
Frickin' awesome size comparisons.
Have a good Memorial Day Weekend. I'm doing the Zombie Walk, helping some folks move, and going camping/canoing.