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The U.S. military wants to explore the potential of “omniphobic”-treated uniforms that repel liquids and dirt, but not because it wants to do fewer loads of laundry (though that’s probably a plus). The same technology that protects against rain, water, and snow can also deflect biological, environmental, or chemical threats, according to a solicitation notice issued by the Department of the Army earlier this month. But although omniphobic textiles already exist, the coatings are easily scratched or rubbed off. If any of the proposed “applications in military clothing” are to succeed, the army needs a material that can withstand the rigors of the battlefield.