alt Hacker NewsIts sister tunnel - the Semmering Base Tunnel [0] - is scheduled to be completed in 2030. These two combined greatly reduce the travel time from Vienna to Graz and Klagenfurt (combined 1h 15m time saving).
You don't hear that much about great engineering projects today, yet it's still an incredible feat to build those.
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ekjhgkejhgk • last Friday at 2:09 PM
> You don't hear that much about great engineering projects today
Here's a great engineering project: https://en.wikipedia.org/wiki/Hawthorne_test_tunnel
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Holy cow... 16.7 Hertz[1] power?
At first that's a really odd sounding choice to this Hoosier. Turns out it's 1/3 of standard 50 Hz in Europe.
[1] https://en.wikipedia.org/wiki/15_kV_AC_railway_electrificati...