Microscopic footage of a needle moving across the grooves of a record

[goodyet]

Here is the link. Watch the video embeded in the article. Microscopic footage of a needle moving across the grooves of a record | Dangerous Minds

 

[Atanu]

Simply amazed! Thanks for sharing. Great piece of research - and huge learning for people like me.

 

[blackscorpio]

Good one. Thanks for sharing.