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.
These windows will cost between $50 to $1,000, depending on the size and quality of glass. If you search for installation quotes, you will likely get them from contractors that specialize in glass block window installation. They might want to provide their own blocks if they have to install a nonstandard-sized window.ou can buy individual glass blocks for $5 to $15 each. You can pay as much as $50 for specialty blocks. Glass blocks are commonly sold in packs of 4, 5, 8, 10 or 12. These packs can cost from $20 to more than $1,000.