It's up

No.14409318 ViewReplyOriginalReport
New thunderf00t video

https://www.youtube.com/watch?v=z0PHv3E8jpY

What advances in science must happen before Musk can achieve his promises such as digging tunnels 15 times faster than current state of the art tunnel boring machines? Also what parts of rocket science from SpaceX will be applied to accomplish this endeavor as stated by Musk and why hasn't anybody tried this already? Tunnel boring machines with rocket science!