pstoedit translates PostScript and PDF graphics into other vector formats

More on Rhyolite

Fascinating glimpse into the ghost town of Rhyolite, Nevada

Sheet metal bending, and K‑factor explained

On keyboards with mechanical keyswitches

Restore old yellowed computer plastics to their original glory. Perfect for those old Apple Extended Keyboard IIs!

passive infrared sensor

Latitude and Longitude to Time Zone Conversion Web API

Characterization of drift in force-sensitive resistors (FSRs)

Chosen is a javsacript plug-in that makes long, unwieldy select boxes much more user-friendly. It is currently available in both jQuery and Prototype flavors.

Rent cameras, lenses, tripods, and accessories by mail