The first tests of a vacuum tunnel were conducted in South Korea
The Korean Railway Research Institute has accelerated its mini-train to a record 1,019 km/h, which is slightly lower than the speed of sound (1,192 km/h). Scientists expect to launch this transport on the Seoul - Busan route in 2024, reducing the travel time from 3 hours to 30 minutes. ***** in reality there are already mag-levs underground that travel at least 1700 mph / 2735 kph
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