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Ever since the first close-up picture of Mars captured in 1965, the hazy and pink world has revealed its mysterious veil. The pace of human exploration of the unknown universe has never stopped. Over the past decades, we have discovered that today’s Martian wasteland hints at a once active world where volcanoes raged, and flash floods rushed over the land.
Cambridge engineers have used drones, handheld particle sensors and a new modelling framework to measure, map and characterise harmful shipping emission particles at both land and sea. It is the first time that multi-characteristic particle measurements – including lung deposited surface area (LDSA), black carbon, and particle number – have been performed in this way, and it is hoped that this research will inform environmental initiatives and support efforts to clean up the maritime sector.
Hummingbirds have extreme aerial agility and flight forms, which is why many drones and other aerial vehicles are designed to mimic hummingbird movement. Using a novel modeling method, researchers gained new insights into how hummingbirds produce wing movement, which could lead to design improvements in flying robots.