> Imagine you enter the train in New York at 8 pm, eat a nice meal, read or play a game, go to sleep and wake up at 8 am in San Francisco. According to Google,

> Imagine you enter the train in New York at 8 pm, eat a nice meal, read or play a game, go to sleep and wake up at 8 am in San Francisco. According to Google, the road distance between New York and San Francisco is 4670.6 km. The travel time means that the train will take 15 hours (12 hours + 3 hours difference between the time zones). This means that the average velocity of the train has to be 311 km/h. At least in Europe, there exist few train lines that even allow such speed (only in France and Spain): https://en.wikipedia.org/wiki/High-speed_rail#/media/File:High_Speed_Railroad_Map_of_Europe.svg https://en.wikipedia.org/wiki/High-speed_rail#/media/File:Hi...