Harmotion.

Harmotion is truly a dream game: a beautiful, multiplayer shoot-em-up. (I'm ranked 69 as of post time.)

(via Shoot The Core)

"Create Your Own" OpenSearch provider.

The Windows Search Guide now has a little form to make your own IE7 search provider, using a URL and a name. That ought to allay one or two complaints.

It can add the provider and/or return an XML OpenSearch file, like this.

(On a side note, the guide also now has the Google logo next to the Google option. Said logo was not there just days ago.)

ASCIIMathML test.

On certain browsers, `e^(i*pi)+1=0` will display as a nice math formula.