He ended up making two light therapy lamps, one of them directional and the other omni-directional. They both use ballast-controlled ceramic metal halide bulbs. The ballasts are necessary to ...
The Night-Lite NL5000 light tower provides 90 hours of runtime in a compact design and a higher light output with 1250-watt metal halide lamps The Night-Lite NL5000 light tower provides 90 hours ...
Laser printing shields perovskite materials from radiation, heat, and humidity, enabling long-term use in satellites, medical ...