Udi Tirosh writes in with this neat trick: use a tubular light like those found in car accessory shots as a sweeping swath light painting tool for long exposure photography. Looks way trippier than just using LEDs.
Becky Stern (sternlab.org is a DIY guru and director of wearable electronics at Adafruit. She publishes a new project video every week and hosts a live show on YouTube. Formerly Becky was Senior Video Producer for MAKE. Becky lives in Brooklyn, NY and belongs to art groups Free Art & Technology (“release early, often, and with rap music”) and Madagascar Institute (“fear is never boring”).