Knocking down a concrete building usually takes brute force: Wrecking balls, huge excavators, or explosives rip apart walls while fire hoses spray water to keep the clouds of dust down. It’s an energy-intensive process, and after everything’s been torn apart, the concrete often ends up in a landfill or has to be trucked to a recycling facility. But a new concrete-erasing robot may eventually transform the messy business of demolition.
Inspired by techniques from molecular gastronomy, the Ooho is a magical way to have your bottled water and eat it, too. Just maybe bring a towel.
"In light of Fukushima, Chernobyl, which is in Ukraine, doesn’t seem like an aberration of a dying regime, so much as something that can happen anywhere to anyone."
Using simple materials also helps. “The reflective material we use for the mirror facets are similar to that of potato chip bags.”