South Korea conducts first test of vacuum tunnel. The Korea Ra | Interesting Chemistry
South Korea conducts first test of vacuum tunnel. The Korea Railway Research Institute has driven its mini train to a record speed of 1019 km/h, just below the speed of sound (1192 km/h). Scientists expect to launch this transport on the Seoul-Busan route as early as 2024, reducing travel time from 3 hours to 30 minutes.
