It's taken a bit of time, but the webcast from the Linux Kernel Summit is online at OSDN. There's some good talks in there, from some of the big wigs in kernel development - Real is required to view it, but instructions for download/installation are on the site.
Today's scientific question is: What in the world is electricity?
And where does it go after it leaves the toaster?
-- Dave Barry, "What is Electricity?"