Level 3.111 Cool blue
The blue LED won the Nobel Prize for Physics. What's so special about that?
podcastsinenglish · podcastsinenglish
October 16, 20143m 58s
Show Notes
The blue LED won the Nobel Prize for Physics. What's so special about that?
Topics
efllanguage lessonseslenglish language podcastslistenlearnupper-intermediateadvancedNobel prizesLEDJapanphysicsscience