Concrete and rebar. Pinholes. Periscopes and mirrors.
We figured how to do that just fine.
Concrete and rebar. Pinholes. Periscopes and mirrors.
We figured how to do that just fine.
Fair point. When he mentioned it, it occured to me I had no clue how they did that.
I'm not saying he convinced me, but that was one of his better arguments.