This article was originally published with the title “ The Invention of the Electric Light ” in Scientific American Magazine Vol. 201 No. 5 (November 1959), p. 98 doi:10.1038 ...
The electric light bulb inspired the development of the radio valve and the television tube.Can we imagine what the world would have been like in the 20th and 21st centuries without the light bulb?
Efficiency is the comparison of the amount of light (lumens) produced by a given amount of electrical energy (watts). The more the lumens per watt the more efficient the bulb. The averaged ...
operational version of the light cycle from Tron: Legacy. That someone just happened to be the crew from Parker Brothers Choppers. Using lithium-ion batteries and a 96-volt electric motor ...
Lenny Kravitz has announced his second Las Vegas residency for ‘Blue Electric Light’ – see the full list of dates below. Last night (January 7), Kravitz took to social media to share that he ...