Engineering

Hydrogen-powered drives for e-scooters

Hydrogen is regarded by many as the future of propulsion technology. The first hydrogen-powered cars are already in action on German roads. In the case of e-scooters, however, installation of a high-pressure tank to store ...

Energy & Green Tech

South Africa's electricity supply: what's tripping the switch

Eskom, South Africa's state-owned power utility, has a litany of financial and operational problems. In 2017 the Goldman Sachs Group declared it the biggest risk to the South African economy. Several cabinet members have ...

Engineering

Using fabric to 'listen' to space dust

Earlier this month a team of MIT researchers sent samples of various high-tech fabrics, some with embedded sensors or electronics, to the International Space Station. The samples (unpowered for now) will be exposed to the ...

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