All About Circuits - Capacitors - An introduction to capacitors. Theory, pictures, links to other parts of a web-book of electrical theory.
Capacitors: What Good Are They? - Short description of a fundamental capacitor, and units used to measure capacitance. Illustrations of capacitors in electronic circuits, with animation.
Capacitors, Tutorial - Includes history, types, color codes, illustrations, and formulae.
Tavrima Canada Ltd. - Largest and most powerful supercapacitors. New energy storage technology suited for uses needing repeated bursts of power for fractions of a second to several minutes.
Ultracapacitors Challenge the Battery - article written by chair of group devoted to promoting ultracapacitor technology includes web addresses of makers.
Float like a battery, sting like a capacitor - Story about 1800-μF, 50V supercapacitor made to fit in a 2325 (button) cell holder includes contact info and pdf version. (April 15, 2004)
