JPEG Compression
A good non-mathematically introduction to the technical aspects of JPEG compression, with lots of illustrations of what different settings do to images.
dead link: http://www.photo.net/learn/jpeg/
A good non-mathematically introduction to the technical aspects of JPEG compression, with lots of illustrations of what different settings do to images.
dead link: http://www.photo.net/learn/jpeg/
Plans for a mylar kite with with a surface area of about one and a half square inches (on each side). Perfect for a kite to fly in the breeze of your computer power-supply fan. (I used mylar from potato chip bag for mine.)
dead link: http://www.vientocero.com/kpb/planos/micropln/micropln.html
From the Columbia Journalism Review, a guide to media ownership.
dead link: http://www.cjr.org/tools/owners/index.asp
This hobbiest has recreated a mechanical television (a moving light is rapidly turned on and off by radio signal to create an image), put a pair of eye holes in for stereoscopic images, added spinning RGB filters to add color, and built a mechanical camera too.
dead link: http://www.radiocraft.co.uk/3dcolour.htm