. >> one of tobia grau's new lamps is called "falling." form is possible only with led's. >> with led's, you can design lamps that are completely closed. the high-energy efficiency means they produce less heat, so less heat has to be discharged. i can build a completely closed lamp with a large surface that transports the heat away, and then i have a powerful source of light in a completely closed form. >> tobias grau used the spherical form in his model "falling in love" as well. these little lamps don't get very hot, so they can be placed on any surface and even be held in one's hands. the diodes also produce light in any desired color. tobias grau is exhibiting his led lamps at cologne's interior design fair, imm. the intensity of the light is easy to alter by hand. light-emitting diodes are an important trend with other exhibitors in the trade fair. led's are often integrated directly into the furnishings as with these pieces of lounge furniture. or here in the bathroom. a real plus point are the various light moods and colors that led