Hardest metals: https://www.seriousrankings.com/top-10-most-dense-metals

Fastest balls in sport: https://olympic.ca/2014/09/11/shuttlecock-and-balls-the-fastest-moving-objects-in-sport

Ray William Johnson: https://youtube.com/RayWilliamJohnson

Defunctland: https://www.youtube.com/channel/UCVo63lbKHjC04KqYhwSZ_Pg

Kings of Influence: https://www.youtube.com/channel/UCTFf07J2XWLiyEXdrrMmi7A

Small YouTube culture: https://youtu.be/1cG-lPEhm2o

Project Chronicle Discord room: https://discord.gg/uu3yXBH

Winter by Lille

https://open.audio/library/tracks/39321

https://creativecommons.org/licenses/by-nc-nd/4.0/