July 12, 2012
With China and and the USA starting their phase-out of incandescent light bulbs in October 2012, the world will soon be without the venerable lighting system that has been with us since the19th century when Humphrey Davy invented the arc lighting (1806) and Thomas Edison made it safer and commercially viable (1879).
Much more energy-efficient CFLs (compact fluorescent lamps), LEDs (light emitting diodes) and ESL (electron stimulating luminescence) will be replacing it.
The transition has not been easy. Consumer groups in Europe and USA have vociferously campaigned against the new bulbs, arguing an inferior light quality and mercury components, in fluorescent lamps. The higher cost of the bulbs has also been a handicap, as consumers have tended to ignore the longer operational life time.
It will have been a gradual “revolution”, driven by superior technology and energy-aware countries. Brazil deserves the honour of have started the process, back in 2005, followed by Australia […]