Technology

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By Chrissy-Tiina Laurikainen

Why We Need to Focus on Earth, Not Mars!

‘Physics World’ invites a permaculture teacher to comment on future missions to Mars during a special ‘Focus on Astronomy and Space’.

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By Konrad Sroka

China has built the world’s largest air purifier

Cleaning 10 million cubic metres a day. Since it came online a few months ago, the tower has led to cleaner air within four square miles of its installation and it has produced 353 million cubic airs of cleaner air, SCMP reports. Because it’s powered by solar energy, the air purifier also doesn’t indirectly contribute […]

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