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Chelyabinsk Meteor Explosion a 'Wake-up Call', Scientists Warn (Op-Ed)Opinion Three studies have revealed details of the meteor that exploded above Russian city, Chelyabinsk, in February this year.
Opinion -
Elastic to Plastic: High-Energy Lasers Warp Copper – Permanently (Op-Ed)Opinion The exact pressure that permanently changes copper crystals has been pinpointed, according to a study released today.
Opinion
