How fast would the @MythBusters have to drive to lift the manhole cover? Here is my estimation.
I wanted to have the first review of Angry Birds Furious Forces, so I interviewed myself.
How does orbital motion work in this fun iPhone space game - Space Agency?
I didn't want to look up the angular field of view for my phone's camera. Here is an experimental estimate.
This should be required reading for admins and anyone that looks at graduation rates.
How does your calculator evaluate the trig functions? Here are some ideas.
Homework Is Evil: “The benefits of completing homework for students with different aptitudes in an introductory physics course” – Uncertain Principles
No one does a better job of having a conversation with himself about research papers than @orzelc
This Texas student had a nice rant regarding his teacher. Maybe he was wrong. Maybe?
Have you seen the trailer for Gravity? How's the physics? Homework questions included.
Here is my post-demo analysis of demos for young kids. What works? (what do they like)