Bulb at the Door

When lights die, we are often puzzled to find the location of the door. Never mind the door, saw the way it is difficult. Because of constraints that the lack of light, often an invisible door that was hit. Terispirasi from it, scientists from Korean, Jeong-Sun Park, creating a luminous desaingagang door.

It looked like a light bulb and it has characteristics like a bulb. While there are no lights on, tool named Knobby Light will be directly lit. The secret lies in the internal generator of the instrument. When the dark surroundings, the internal generator will work, and Knobby Light can directly burn. Interested? Unfortunately, we have described the price for each unit.