Light: 326,832 results found.
 |
Who Invented The Light Bulb
If you ask people Who Invented the Light Bulb' they will answer Thomas Edison. Is that really the correct answer? I can tell you that history says otherwise. The first light bulb was really built by Humphry Dave in 1809. He was an Englishman scientist who liked experimenting with electricity. Did you know that he is responsible for the invention of the battery too? How did he come up with light? Simply by connecting electric wires to the battery and carbon; when the carbon was charged with electricity it glowed (it produced light). This lamp was called the arc lamp' and it was presented to the Royal Society. However, the lamp was not practical for domestic use as it was too bright and it required huge amounts of power that the batteries could not provide. When the electric generator was invented, adequate amounts of energy could be used for this arc lamp' and it was used in lighthouses as they needed great source of light. During the years, the arc lamp was used as search lights during wars and today it is used as searchlight next to movie theatres during new openings. You have certainly spotted these during night.
Whoinventedthelightbulb.info ~
Site Info
Whois
Trace Route
RBL Check
|
 |
Home-LED车灯专业制造厂家,LED刹车灯,转弯灯,雾灯,天使眼,-LED Car Light Professional Manufacturer︱LED brake light︱LED Turning Light︱LED Fog light︱LED Angel Eyes Light
Dongguan Hopebright Electronics TECH Co.,Ltd. was founded in 2006, is a high-tech enterprise gathering research and development, production and sales, It's one of Guangdong led auto bulb supplier/ smd auto bulb factory. Main led auto bulb/led car bulb/led car light/ led auto lamp/ products are: LED brake light,LED Turning Light,LED Fog light,LED Angel Eyes Light.
Hopebright-led.com ~
Site Info
Whois
Trace Route
RBL Check
|
|
|
|
Site Info
