Today I Found Out

How Does an LED Work? (2016x192)

Date de diffusion: Sept 17, 2016

→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7hzC0Rr3RDS6q Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut Why is Chocolate Bad for Dogs? https://youtu.be/kJXQ4lOQheg?list=PLR0XuDegDqP2yEk58fgohft2Z1nhcmwis Why Do Vitamins Make Urine Bright Yellow https://youtu.be/mFebjPEgZ7g?list=PLR0XuDegDqP0GESJ0DgpgTcThLJVEbFs8 In this video: A diode is a special type of semiconductor that has many uses. One of the principle uses though is to control the direction of the flow of electricity. The most common type of diode does this by using something called “p-n junctions”. This is just a fancy way of saying “magic”. Want the text version?: http://www.todayifoundout.com/index.php/2010/03/how-an-led-works/ Sources: http://en.wikipedia.org/wiki/Light-emitting_diode http://www.howstuffworks.com/led.htm http://www.howstuffworks.com/led1.htm http://www.ehow.com/how-does_4588096_led-lights-work.html http://en.wikipedia.org/wiki/Diode http://en.wikipedia.org/wiki/PN_junction http://en.wikipedia.org/wiki/Electroluminescence http://en.wikipedia.org/wiki/Light-emitting_diode http://www.lif.co.uk/lamp-guide/light-emitting-diodes.html