Whirling_Cloudburst@lemmy.world to Technology@lemmy.worldEnglish · 2 years agoWhy It Was Almost Impossible to Make the Blue LEDyoutu.beexternal-linkmessage-square200linkfedilinkarrow-up1969arrow-down131file-text
arrow-up1938arrow-down1external-linkWhy It Was Almost Impossible to Make the Blue LEDyoutu.beWhirling_Cloudburst@lemmy.world to Technology@lemmy.worldEnglish · 2 years agomessage-square200linkfedilinkfile-text
minus-squareLaggyKar@programming.devlinkfedilinkEnglisharrow-up5·2 years agoThat’s true (here’s an interesting video on the subject of colored light: https://www.youtube.com/watch?v=uYbdx4I7STg), but as mentioned at https://youtu.be/AF8d72mA41M?si=i8wjHjaKRaQbf23b&t=1516, once you have a blue LED, you can use a phosphor to convert the light to a range of longer wavelengths.
minus-squarePipedLinkBot@feddit.rocksBlinkfedilinkEnglisharrow-up1·2 years agoHere is an alternative Piped link(s): https://www.piped.video/watch?v=uYbdx4I7STg https://piped.video/AF8d72mA41M?si=i8wjHjaKRaQbf23b&t=1516 Piped is a privacy-respecting open-source alternative frontend to YouTube. I’m open-source; check me out at GitHub.
That’s true (here’s an interesting video on the subject of colored light: https://www.youtube.com/watch?v=uYbdx4I7STg), but as mentioned at https://youtu.be/AF8d72mA41M?si=i8wjHjaKRaQbf23b&t=1516, once you have a blue LED, you can use a phosphor to convert the light to a range of longer wavelengths.
Here is an alternative Piped link(s):
https://www.piped.video/watch?v=uYbdx4I7STg
https://piped.video/AF8d72mA41M?si=i8wjHjaKRaQbf23b&t=1516
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I’m open-source; check me out at GitHub.