Why don't trains make *that* sound anymore? https://tube.blueben.net/videos/watch/4de41cfd-e5b3-4543-a2e8-f9b4d941a0a1 If you've been on a modern train you won't have noticed that classic "clickety-clack" sound anymore. This is because train tracks are now one continuous piece of rail without gaps. But one long piece of metal without room to expand when hot is dangerous. Thus, engineers had to come up with an ingenious solution involving... jagged rocks? Sat, 25 Apr 2026 14:21:22 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.blueben.net Why don't trains make *that* sound anymore? https://tube.blueben.net/client/assets/images/icons/icon-96x96.png https://tube.blueben.net/videos/watch/4de41cfd-e5b3-4543-a2e8-f9b4d941a0a1 All rights reserved, unless otherwise specified in the terms specified at https://tube.blueben.net/about and potential licenses granted by each content's rightholder.