‘Artificial volcano’ in sky aims to tackle global warming
Scientists will attempt to pump water up a hose suspended 1km in the air by a helium-filled balloon.
The test will provide data to support a giant geo-engineering project.
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SUBSCRIBEScientists will attempt to pump water up a hose suspended 1km in the air by a helium-filled balloon.
The test will provide data to support a giant geo-engineering project.
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