The first patent for a system designed to use continuous-wave radar to locate buried objects was submitted by Gotthelf Leimbach and Heinrich Löwy in 1910, six years after the first patent for radar itself (patent DE 237 944).
The current casualty toll seems modest and a far cry from the numbers that were circulating in Israel about mass deaths in the tunnels. Netanyahu, who initially planned a big press conference, made do with a short and cautiously worded video. But not all his mouthpieces got the message in time: one of them tweeted about the genius maneuver led by him and the IDF chief, but quickly deleted it. Mainstream media took longer to get the message.