Monitoring city mobility from the skies

EPFL researchers have used swarms of drones to measure city traffic with unprecedented accuracy and precision. Algorithms are then used to identify sources of traffic jams and recommend solutions to alleviate traffic problems.

Energy & Green Tech

How not to short-circuit the clean energy transition

Researchers at the National Renewable Energy Laboratory (NREL) have learned a lot about how to reliably integrate large amounts of wind and solar power onto the grid—but there are a few outstanding challenges.

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