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A“Clear” Success
In climates with cold winters, drivers experience problems when their car windshields*
become icy or foggy. This is because ice and fog on the windshield makes it difficult for
drivers to see through it clearly. Therefore, when it is snowy and the roads are slippery
outside, these conditions can( 28 ). These days, many products are being sold to make
water run off windshield glass easily so that drivers can see the road in the rain. But now,
Scientists at the Massachusetts Institute of Technology in Cambridge, Massachusetts, are
developing a product to prevent ice and fog from forming as well.
Michael Rubner, a researcher working on the new product, says that it is a special
coating that controls all of the conditions at once. He explains that the coating is made uF
of layers of two chemicals with ( 29 ). One layer keeps rain off the windshield, and the
er takes out of the air. In this way, ice nor fog can . i-
