/technologies/robotics/b/blog/posts/scientists-win-nobel-prize-in-physics-with-their-creation-of-blue-ledsSure, they’re blue but we can’t have white light without them (via wiki) Eons ago (roughly 1907), scientists began messing with the idea of LEDs in the form of electroluminescence using a crystal of silicon carbide and a cat’s-whisker detector....en-USTelligent Community 12https://community.element14.com/technologies/robotics/b/blog/posts/scientists-win-nobel-prize-in-physics-with-their-creation-of-blue-ledsFri, 17 Oct 2014 15:13:20 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:2ecc54e1-e5c6-4664-95b0-7437689f6779maneeshsv20<p>Blue LED lighting is good for health too...<span>[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-2ecc54e1-e5c6-4664-95b0-7437689f6779/contentimage_5F00_1.png:16:16]</span></p><img src="https://community.element14.com/aggbug?PostID=18835&AppID=36&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/technologies/robotics/b/blog/posts/scientists-win-nobel-prize-in-physics-with-their-creation-of-blue-ledsThu, 09 Oct 2014 18:57:54 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:2ecc54e1-e5c6-4664-95b0-7437689f6779DAB0<p>Hi Cabe,</p><p>&nbsp;</p><p>You might add that the interest in Blue light at the time was to reduce the optical digits for CDROMs.&nbsp; Blue light is half the wavelength of red light, so just by changing the LED, you could double the data density.</p><p>The push now is to go into the UV wavelengths.</p><p>We will see who makes the first breakthrough.</p><p>&nbsp;</p><p>DAB</p><p>&nbsp;</p><p>PS did you ever write you review of my book?</p><p>Just curious.</p><img src="https://community.element14.com/aggbug?PostID=18835&AppID=36&AppType=Weblog&ContentType=0" width="1" height="1">