LED: Latest developments05:20Getty Source: GettySBS TamilView Podcast SeriesFollow and SubscribeApple PodcastsYouTubeSpotifyDownload (2.44MB)Download the SBS Audio appAvailable on iOS and Android A light-emitting diode (LED) is a two-lead semiconductor light source. R.Sathyanathan explains the latest developments in LED.ShareLatest podcast episodesFrom Sri Lanka to the Global Stage: A Tamil Karate Champion’s JourneyCelebrating Excellence in Teaching: Dr Poomahal Kumar Receives RCPA AwardWhat lies beneath Keeladi: The uneasy politics of India’s pastBetween Law and Poetry: Maithri Panagoda’s Purple Patch