View Single Post
Old 03-10-2024, 07:06 AM #1
James's Avatar
James James is offline
Jolly good
 
Join Date: Oct 2002
Posts: 29,180


James James is offline
Jolly good
James's Avatar
 
Join Date: Oct 2002
Posts: 29,180


Default Trumpeter uses fire to visualise sound waves

James is offline   Reply With QuoteReply With Quote