![TIL that soldiers are required to "route step" (or walk out of step) when crossing bridges because, in 1831, the rhythmic march of British soldiers broke a bridge, throwing soldiers off of TIL that soldiers are required to "route step" (or walk out of step) when crossing bridges because, in 1831, the rhythmic march of British soldiers broke a bridge, throwing soldiers off of](https://external-preview.redd.it/qh6IEkdrwJXDQLT3VWt4YylwLVxoH8tYayORHdEpEio.jpg?width=640&crop=smart&auto=webp&s=1e8621421a41df21a8d868386849033baa6432d1)
TIL that soldiers are required to "route step" (or walk out of step) when crossing bridges because, in 1831, the rhythmic march of British soldiers broke a bridge, throwing soldiers off of
![Application of Vehicle-Based Sensing Technology in Monitoring Vibration Response of Pavement Conditions | Journal of Transportation Engineering, Part B: Pavements | Vol 146, No 3 Application of Vehicle-Based Sensing Technology in Monitoring Vibration Response of Pavement Conditions | Journal of Transportation Engineering, Part B: Pavements | Vol 146, No 3](https://ascelibrary.org/cms/asset/3b2916d0-b2d7-4e91-b12e-59db5757250a/figure14.gif)
Application of Vehicle-Based Sensing Technology in Monitoring Vibration Response of Pavement Conditions | Journal of Transportation Engineering, Part B: Pavements | Vol 146, No 3
If Nikola Tesla was such a genius and ahead of his time, then why in 70 years has nobody re invented his creations of 'earthquake machines' and world wide free electrical power
![TIL the Millennium Bridge, London swayed so badly on opening day due to people walking in step that the bridge had to be shut down for modifications. : r/todayilearned TIL the Millennium Bridge, London swayed so badly on opening day due to people walking in step that the bridge had to be shut down for modifications. : r/todayilearned](https://external-preview.redd.it/8l1r64L0P7pgUOVjODWWLHZKmruaK9DufL2mJP_X6Ag.jpg?auto=webp&s=c0159cc76eec9fee85930ada85627b3f1dabef6d)