Where does untreated wastewater go in developing countries?

To limit the spread of disease and reduce environmental pollution, human waste (excreta) needs to be safely contained and effectively treated. Yet 4.2 billion people, more than half of the world's population, lack access ...

Integrated hydrogen storage for fuel cell cars

There is a drive to displace fossil fuels in power generation and transport with sustainable alternatives. One approach that has been discussed over the last few decades is a future zero-carbon, hydrogen economy wherein hydrogen ...

Image: Sloshing in space

ESA astronaut Alexander Gerst during his 2018 stay on the International Space Station, with two floating SPHERES robots tethered to a container of liquid, serving to simulate the experience of pulling a derelict satellite ...

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