/technologies/sensor-technology/b/blog/posts/researchers-create-the-world-s-tiniest-playable-recordDTU researchers used the Nanofrazor to create the world's tiniest record featuring the first 25 seconds of "Rocking Around the Christmas Tree." (Image Credit: DTU Physics) DTU Physics researchers developed a 40-micrometer record with t...en-USTelligent Community 12