"Humans aren’t very efficient movers—until you put us on a bicycle, when we become some of the most energy-efficient land travelers in the animal kingdom.": https://www.scientificamerican.com/article/a-human-on-a-bicycle-is-among-the-most-efficient-forms-of-travel-in-the/

"Back to work today, forgot my pass so locked bike outside Cannon Street station. Left work at 6pm to find just the cut lock and no bike, resigned to never seeing my trusty stead again asked the station if they have cameras. A guy appeared waving at me, asked me to put the code into my cut lock. He replied ‘I have your bike’ with a smile I will never forget!! His name is Abdul Muneeb and he works for South Eastern Railways, he was on a break and saw a guy bolt cut the lock and challenged him to give it back, he then took it inside and waited 4 hours after his shift finished to personally make sure I got my bike back. The world needs more Abdul’s, he is a legend of a man and a credit to his employer."
Story Credit: Steve Farmer

Breve storia dell'ingegneria delle biciclette
#bici #trasporti #ciclismo #unociclismo
Beau Janzen, appassionato di matematica, ha creato un’animazione divertente e informativa che racconta la storia dell'ingegneria delle biciclette. Partendo dai primi modelli come...
https://www.tiziano.caviglia.name/2025/09/27/breve-storia-dell-ingegneria-delle-biciclette/13277/