In July, Lockheed Martin completed the build of NASA’s X-59 test aircraft, which is designed to turn sonic booms into mere thumps, in the hope of making overland supersonic flight a possibility. Ground tests and a first test flight are planned for later in the year. NASA aims to have enough data to hand over to US regulators in 2027.
-4 points
Price per km of track goes up exponentialy the faster you want to go, which means they will either have expensive tickets or will be unprofitable.
10 points
2 points
Still, someone has to finance it. In the worst case you have a high speed rail network with high operationg costs that nobody uses, but taxpayers still need to maintain.
7 points
5 points
1 point
5 points