Indeed what is...
Twitter:   / solar_sas  
Second Channel:    / @solarsands2  
Patreon: https://www.patreon.com/user?u=3356654

Sources:
(1) https://www.sciencedirect.com/science...
(2) https://noisyworld.org/marpac-dohm-vs...
(3) https://www.nytimes.com/2018/12/27/st...
(4) https://www.self.com/story/brown-nois...
(5) https://www.tinnitusjournal.com/artic...
(6) https://www.proquest.com/docview/2427...
(7) https://www.self.com/story/brown-nois...
(8) https://www.nytimes.com/2018/12/27/st...
(9) https://www.bbc.co.uk/bitesize/articl...
(10) https://www.bootshearingcare.com/grea...
(11) https://today.yougov.com/topics/socie...
(12) https://www.forbes.com/sites/jordanpa...
(13) https://railroads.dot.gov/highway-rai...
(14)    • Train Horns: Train Talk Ep. 5  

Music in Order of Appearance:

Hiraeth – Scott Buckley
Kalmiba – Canon Cover
Mild Seven -- Luxury Elite
Autechre – si00
Kevin MacLeod – Style Funk
Broken Bottles OST – midnight_90BPM

Songs Mentioned:

Marconi Union - Weightless
   • Marconi Union - Weightless (Official ...  
Aphex Twin - Rhubarb
   • Aphex Twin - Rhubarb  
Aphex Twin - Stone In Focus
   • Aphex Twin - Stone In Focus  
Boards of Canada - Echus
   • Boards of Canada- Echus