The RUMBLE Project (RegulAtion and norM for low sonic Boom LEvels) is an EU-funded initiative focused on reducing the noise impact of supersonic transport.
Are there any you want to compare this project against? Project Rumble asdf9146
: This could also be a creative project (like a film, book, or art installation) or a research initiative with "Rumble" serving as a thematic or operational keyword. The RUMBLE Project (RegulAtion and norM for low