In 1802, Humphry Davy had what was then the most powerful electrical battery in the world at the Royal Institution of Great Britain. In that year, he created the first incandescent light by passing the current through a thin strip of platinum, chosen because the metal had an extremely high melting point. ...
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... was first broadcast in the UK on BBC 2 before being shown on other BBC channels.The US edition started on NBC and has been shown on TBS and Fox owned stations.In Australia, UK and US editions of the office have screened on ABC1, Channel 10, and Foxt... more
...rberg created Facebook, Larry Page and Sergey Brin created google, YouTube was invented by Steve Chen, Chad Hurley and Jawed Karim out of a garage in Menlo Park. Steve Jobs and Steve Wozniak created a... more
...Emitting Diode bulb is the brightest bulb with 100 watts. There is still a 72 and 43 watt bulb of the same kind. This type of bulb is not recommended for home use and reading environments, reason bein... more
...b is a vacuum tube through which a metal filament is run. When an electrical current runs through the metal, it heats up and emits light.Modern fluorescent lights do not use a filament, and are often ... more
...light will only be seen above the other lights. This is because sun's light contains all other types of electromagnetic waves, and secondly the sun's light will outshine all others, like it do... more