I Made a Lens, But for Sound

Download the privacy respecting open source browser Brave: https://brave.com/stevemould Light and sound travel as waves. Lenses work by taking advantage of the fact the wave propagation changes direction when the wave passes between mediums for which the speed of the wave is different. This is called refraction. So it's should be possible to build a lens for sound using different gasses. You can buy my books here: https://stevemould.com/books You can support me on Patreon here: https://www.patreon.com/stevemould just like these amazing people: Nathan Williams Matthew Cocke Glenn Watson Mark Brouwer Joël van der Loo Alex Southwell Twitter: http://twitter.com/moulds Instagram: https://www.instagram.com/stevemouldscience/ Facebook: https://www.facebook.com/stevemouldscience/ Buy nerdy maths things: http://mathsgear.co.uk