Just to brighten up a winter's Monday morning (for those of us in the Northern hemisphere), another thread on these forums has just reminded me of this light bulb which has been lit for 117 years...there's even a live webcam so that you can check it's still alight
That is very interesting. I have an L.E.D. lamp that has been in use continually 24/7 for over a year. Let's see how it compares. I seem to recall regarding tungsten filament lamps that an over Voltage of ten percent can halve the lamp life, if memory serves me correctly.
That is very interesting. I have an L.E.D. lamp that has been in use continually 24/7 for over a year. Let's see how it compares. I seem to recall regarding tungsten filament lamps that an over Voltage of ten percent can halve the lamp life, if memory serves me correctly.
