From the toxel.com design blog:
Light writing is a form of stop motion animation wherein still images captured using the technique known as light painting are put in sequence thereby creating the optical illusion of movement for the viewer.
Two examples:
Impacto Criativo (Creative Impact)
Created by Propague and MidiaEffects with 2 cameras, 1700 clicks, 18 people, 20 nights, 35 flash lights, and 234 batteries.
…and:
Light Paint Piano Player
Created by Ryan Cashman with a small green LED keychain light. The frames were photographed with a Canon Rebel using 20-30 second exposure time.
See them all. (Warning: visiting the toxel.com home page can be hazardous to one’s productivity.)


From
[This is another in an occasional series on popular songs with long histories. Part 1 — on the song itself as finally recorded by numerous artists — 

From S.J. Perelman, born on this day in 1904:
One of The Missus’s ongoing laments involves the infamous curve, which she seems forever ahead of. “Did you see,” she’ll say to me, “that [insert name of formerly unknown person] just made [insert some number which includes many zeroes and a currency symbol] from [insert random clever idea here]? I can’t believe it. That was my idea!”
