It’s called Grancrete, and it can be sprayed onto metal, wood; even ‘woven sugarcane stalk,’ and within 20 minutes you have concrete-like building blocks. Grancrete is made up of sand, ash, magnesium oxide and potassium phosphate, and is apparently going to revolutionize the building industry by providing ‘low-cost high quality shelter for estimated 1 billion people’ – it costs just $20.50 to coat 15 square feet.
Grew up back East, got sick of the cold and headed West. Since I was small I have been pushing buttons - both electronic and human. With an insatiable need for tech I thought "why not start a blog focusing on technology, and use my dislikes and likes to post on gadgets."