lighting
Rotating high-pressure sodium lamps provide flowering plants for spring markets
EAST LANSING, MI — When consumers visit garden centers in spring they will most likely buy flowering ornamental plants that are ready for their home gardens. Studies have shown that consumers favor plants that are already in flower rather than …
LEDs promise brighter future, not necessarily greener
ALBUQUERQUE, N.M. — Solid-state lighting pioneers long have held that replacing the inefficient Edison light bulb with more efficient solid-state light-emitting devices (LEDs) would lower electrical usage worldwide, not only “greenly” decreasing t…