Comment on Why It Was Almost Impossible to Make the Blue LED
Agent641@lemmy.world 4 months ago
Making blue LEDs is easy. Just make a red one, then move towards it really fast.
Comment on Why It Was Almost Impossible to Make the Blue LED
Agent641@lemmy.world 4 months ago
Making blue LEDs is easy. Just make a red one, then move towards it really fast.
lemmesay@discuss.tchncs.de 4 months ago
Doppler effect?
mikezeman@lemm.ee 4 months ago
en.m.wikipedia.org/wiki/Redshift#Blueshift
Essentially yes
Sentau@discuss.tchncs.de 4 months ago
Yeah but it only works if the source is moving towards the observer