The uv rays kill the microbes in the air keeping the area sterile.
Importance of light bulb.
For a start light bulbs are less of a fire hazard.
The invention of the light bulb has changed the way people live in many ways.
The invention of the light bulb also allows people more freedom to come and go safely after dark.
Edison continued to invent and design improvements to lighting in the years to come from making longer lasting bulbs to developing the first commercial power utility.
Haven t you noticed in a supermarket or hospital the use of uv lamps.
They re also more convenient as they don t blow out when it s windy they don t fizzle out when they get wet and they don t run out of oil.
This is why their invention meant that people were able to be a lot more productive than before as they could work even when it got dark.
Vitamin d helps balance the calcium that the body needs in order to maintain healthy bones and teeth.
So uv light is classified under the dry method of sterilization.
Light especially its ultraviolet component is an excellent sterilizing agent.
The light bulb which was probably one of the greatest inventions of all time profoundly changed humans life by illuminating the night and making it hospitable to a wide range of human activity.
The amount of sun exposure a person needs depends on the climate.
Thomas edison first patented the incandescent light bulb that helped usher in the era of electricity.
Twenty three different light bulbs were developed before edison s.
One of the most notable impacts of the light bulb was that it made longer work hours possible.
The most notable way was by giving employers the means to work employees after dark.
While a longer work week often meant abuse of the working class increased nighttime productivity helped spur industrial advancements.
The invention of the lightbulb was a significant milestone in human history because it eliminated peoples dependece on candles and oil lamps and created an easier way to light houses at.
Among the pre edison pioneers of electric lighting sir humphrey davy created the first electric arc lamp in 1809.
The principle was to pass an electric current through a filament powerful enough to cause it to glow without combusting.