Chủ Nhật, 1 tháng 10, 2017

NPR News: Winter Is Coming. What If Roads And Runways Could De-Ice Themselves?

Winter Is Coming. What If Roads And Runways Could De-Ice Themselves?
Researchers are looking for alternatives to salt or harmful chemicals, including using concrete that can safely conduct electricity and heat road surfaces to keep them clear of ice and snow.

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October 1, 2017 at 07:02PM

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