Friday Fun Links

I've been at a class the last two days where the amount of information delivered was far more than could have been accommodated in the time allotted. My brain hurts. So I give you links.

Cool clocks.

Make your own proxy server.

I've been using this program for unit conversions for years. If there's a better one, let me know.

Twilight explained.

And I think that's it for the week.