World's oldest lightbulb: 123 years and still glowing

Livermore, California's Centennial Lightbulb cam (screenshot)

Every few years, I remember that the world's longest continuously operating lightbulb is chugging along in a fire station in Livermore, California. It's been in operation since 1901 and has outlasted all its rivals by at least a decade. Further investigating the Centennial Bulb's brethren will…