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Giant curtains to keep warm water away from glaciers strike some as too risky
They are becoming more capable, easier to program and better at explaining themselves
Fires that erupt from the batteries are 'not like a regular flame,' said Patrick Cleary, president of the Chicago Fire Fighters Union, noting that 'even after they’re put out they can start to regenerate heat again and start up again, especially with cars.'
The engineering challenges involved are fiendish, but worth tackling