Loop quantum gravity. Loop quantum gravity (LQG) is a theory that attempts to describe the quantum properties of the universe and gravity. It is also a theory of quantum spacetime because, according to general relativity, gravity is a manifestation of the geometry of spacetime. LQG is an attempt to merge quantum mechanics and general relativity.
Eco Block, ARXX, Logixx are a few along with TriTex. Cost per block is around $12 and they are 5.33 sqft and various thickness depending on your needs. So a 35x43 house would need 234 blocks and about a ton (lift) of rebar, and require roughly 33 cubic yards of concrete using an 8  core thickness.
1 On average, the cost of a glass block window is going to depend on the dimensions, specific type or design, and the contractor performing the job. 2  The average glass block window for a residential home will often be between $350 to $550 to install. 3  At The Home Depot, a glass block window that measures 32 in.4  x 14 in. FamilyHandyman.com estimates the cost of DIY glass block basement windows installation to be approximately $20 to $100. 2  Additional costs are also required if there is damage in the siding and framing around the old window frame that requires rebuilding.