The first 100 people to use code SCIENCE at the link below will get 60% off of Incogni: https://incogni.com/science Acoustic cameras have an array for microphones that are able to reproduce spatial information about sound. They even work in slow-mo, and echoes look amazing! Thanks for AcSoft for showing me their cameras. Find out more about them here: https://acsoft.co.uk/ Thanks to the Birmingham Centre for Railway Research Education at the University of Birmingham who hosted on the day. Find out more about the centre here: https://www.birmingham.ac.uk/research/railway/index.aspx And a big thank you to Ian Macfarlane and Mani Entezami for all their help with this video. The cameras you saw in this video were made by gfai tech. More about them here: https://www.gfaitech.com/ Here's my video about directional hearing: https://www.youtube.com/watch?v=CqB95rj_txI 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: Edward Unthank Tj Steyn Pavel Dubov John Doe Lizzy and Jack Jeremy Cole Brendan Williams Alan Wilderland Frank Hereford Lukas Biewald Damien Szerszinski Marshall Fitzpatrick Heather Liu Grant Hay John Zelinka Paul Warelis Matthew Cocke 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/