SpinSanity is exactly the sort of site that I don’t visit as much as I’d like, but would read every day in a RSS reader like
Except I’m not using OS X much these days, so I don’t have an RSS reader. Time to play around with Straw.
Over seven hundred slides from Peter Gutman’s Godzilla Crypto Tutorial. I imagine aliens flipping through this in about thirty seconds to absorb all current knowledge regarding the uses and abuses of crypto. Not particularly mathematically heavy-weight, but pretty techie in parts. The seventy-one slide guide to crypto politics is pretty comprehensive (not entirely up to date though). I got this from the enhyper financial crypto digital library mailing list, which occasionally turns up some great resources.
And I thought burning a video of the ultrasound onto CD-ROM was high-tech. This New Mexico firm is doing 3D ultrasound images, with a haptic interface so you can reach out (in?) and touch your unborn child. I admit to being mildly freaked.