https://www.epanorama.net/blog/2018/09/14/ig-nobel-win-for-kidney-stone-removing-roller-coaster-bbc-news/ All about electronics and circuit design Mon, 06 Apr 2026 10:20:53 +0000 hourly 1 http://wordpress.org/?v=3.9.14 https://www.epanorama.net/blog/2018/09/14/ig-nobel-win-for-kidney-stone-removing-roller-coaster-bbc-news/comment-page-1/#comment-1618306 Sun, 23 Dec 2018 14:43:36 +0000 http://www.epanorama.net/newepa/?p=179698#comment-1618306 https://www.edn.com/electronics-blogs/edn-moments/4443205/The-roller-coaster-is-patented–December-22–1885?utm_source=Aspencore&utm_medium=EDN&utm_campaign=social

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