From Steve Mould.

Find out more about Jane Street’s AMP and apply: https://jane-st.co/SM-AMP25

Hose instability describes the dangerous phenomenon of nozzle whip the fire fighters experience but also sky dancers (Wacky Waving Inflatable Arm Flailing Tube Men).

My video about inward sprinklers on Smarter Every Day: https://youtu.be/M4-L8UgPkOk
Megaflatables: https://www.megaflatables.com

Thank you to @londonfirebrigade for letting me film with them.

You can buy my books here:
https://stevemould.com/books

You can support me on Patreon and get access to the exclusive Discord:
https://www.patreon.com/stevemould

just like these amazing people:

Alex Hackman
Glenn Sugden
Tj Steyn
Pavel Dubov
Lizzy and Jack
Brendan Williams
Frank Hereford
Lukas Biewald
Heather Liu
Grant Hay
Paul Warelis
Nathan Blubaugh

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Buy nerdy maths things: http://mathsgear.co.uk