The things you learn about on Fox news

[f6john]

I walked inside and the tv was already on and they were doing a story about new (to me at least) technology whereby they have a 3D printer that "prints" with concrete! They were building a bridge across a ravine that took the printer about 14 hours to produce. It showed the Marines walking across the structure they built. It has not been tested yet for maximum load bearing but that's next. The spokesman said they 3D printed a house structure last August that they deemed successful. I guess it could really change things on the battlefield when it comes to obstacles.

[Rams]

Ever seen structural concrete with cold joints?  This could be interesting.  Then again, I don't know what mix they were using or the process.

Could probably be done with drones while in contested territory.

Any one seen Arnold?   I'll be back.......

Rams  

[..]

This video is from 2014

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

[..]

https://www.youtube.com/watch?v=blyUdESHr-g

[..]

2015

https://www.youtube.com/watch?v=n2szk5MItRA