A Sleep Inducing Light, How to Build a Ring Light and an Awesome Tauntaun Costume

• LightSleeper, a sleep inducing light
  "LightSleeper is a device that projects a soothing light on the ceiling. The light moves in a circular motion above the bed. You follow the light with your eyes for a few minutes, and you begin to drift off. Following the light has the effect of relaxing the mind, a necessary prerequisite to entering a deep, refreshing sleep."
  
• Photography: How to Build a Ring Light for $10-$20
  "The assembly is built around a filter that attaches to his camera lens. Two rings of LEDs are then glued to a case made from the plastic of a CD-R container. To diffuse the light, he sanded both sides of the clear plastic housing to make it opaque.translucent."
  
• Scott Holden's Tauntaun Costume