Collaboration between Swedish engineer Andreas Hammar with researchers at the Royal Institute of Technology in Stockholm and the water purification company HVR resulted in development of the first machine that extracts people’s sweat from clothes, purifies it and transforms it into potable water. It uses a water purification technology called membrane distillation. The inspiration for… »

Researchers at KTH Royal Institute of Technology in Stockholm have succeeded in using genetically modified blue-green algae known as cyanobacteria to produce butanol – a hydrocarbon-like fuel that can be used to power motor vehicles. The interest in butanol as an alternative fuel stems from the fact that it has environmental and efficiency advantages over… »