air

This dust removes as much CO2 from the air as a tree

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A typical large tree can absorb up to 40 kilograms of carbon dioxide from the air in a year. Now scientists at UC Berkeley say they can do the same job with less than half a kilogram of fluffy yellow powder. The dust is designed to trap the greenhouse gas in its microscopic pores, then … Read more

Lilium faces bankruptcy as air taxi firm struggles to raise cash

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German company Lilium manufactures electric passenger flying drones. Lilium German aerospace startup Lilium faces bankruptcy if it does not raise emergency funds from the state government for the southeastern state of Bavaria. The bankruptcy would mark a dramatic decline for a startup once considered Europe’s best chance to build the 21st century equivalent of “cars” … Read more