3 million years
3 million years
The mood light will last as long as the bulbs life, which has a lifetime of an average household light bulb. once the bulb burns out, one must replace the bulb with another mood light bulb.
Lewis Latimer invented the long lasting light bulb.
recycle them into p pipes
A light bulb is dangerous because if leave it on too long it will burn.
A Tube-light !
he improved the light bulb when he saw that it did not last long and broke easily
There is not any detailed information on how long it took Thomas Edison to create the first light bulb. We do however know the first electric light bulb was patented in 1879.
i think it takes about 10 seconds if you already have the light bulb in your hand.
Thomas Edison was the who pateneted the first light bulb
he improved the light bulb when he saw that it did not last long and broke easily