Shall I offer you a gift that costs me nothing?
I was delighted by the response to my Merry Christmas blog. I want to give all of you a gift, but I don't have any money to buy anything. And it seems I have way more readers than I thought. (I had heard that if you go weeks and weeks without blogging, you lose all your readers.) So here's my free gift to you. In case any of you missed it when abitare brought it to his readers' attention, here's the most wonderful thing I know of, the pride of web 2.0:
I do hope you will follow that link, if you've never before been to Khan Academy, and that you'll enjoy the videos as much as I do. Even if you enjoy it x, where 100x + 1 = y, and y is my enjoyment of the videos, you'll still learn a lot before you get bored. Right now, I'm enrapt by the algebra videos.