I detest sodium-vapor streetlights ... Our forced acceptance of sodium light’s ghoulish tint, an accident caused by the electrical vaporization of sodium metal in a gas-filled tube, makes ...

This leads to a phenomenon called cycling. Sodium vapor lamps work pretty simply. They’re a glass tube filled with a gas, and sprinkled with sodium and sometimes with a few other materials like ...

NEMA’s indexes for high intensity discharge (HID) lamp shipments declined for the second consecutive quarter in Q3 2012. Sodium vapor lamp shipments decreased 14.8% year-over-year during the quarter, ...