2012 Japanese Ig Nobel Prize-winning Invention Patented by US Navy in 2021

The US Navy has obtained a patent (US patent #11082763, “Handheld acoustic hailing and disruption systems and methods”), here in the year 2021, for a device essentially the same as the invention that earned an Ig Nobel Prize in the year 2012 for a team of Japanese inventors. Unsound Invention, Anew New Scientist magazine reports […]