Interesting Engineering5m
Buildings into bomb shelters: Germany eyes WWII-like bunker revival amid Russia threat
Germany is compiling a list of buildings, including car parks and underground stations, that could be converted into bunkers ...
Interesting Engineering32m
Pollutants into power: Breakthrough US tech turns CO2 into clean energy source
With an improved catalyst, ORNL chemists converted two greenhouse gases, methane (CH4) and carbon dioxide (CO2), to syngas, a ...