Reader Gary Duffel finds that iMovie ’11 may not yet be his bag. He writes: I am not able to copy a freeze frame in iMovie ’11. This was available in iMovie ’09, but was not made available in iMovie ...

Redshark replay: How on earth are complex sounds created by a single cone in a speaker, and why is not possible to freeze-frame sound? There's something rather curious about sound, which is that it ...