article_snippet.sent: microscopic bumps increase the contact angle at which droplets touch the surface, which in turn force the droplets to form into spheres.
article_snippet.sent: microscopic bumps increase the contact angle at which droplets touch the surface, which in turn force the droplets to form into spheres.
article_snippet.sent: As a result, these spheres can't fit in between microscopic bumps and  roll off the surface.
article_snippet.sent: microscopic bumps increase the contact angle at which droplets touch the surface, which in turn force the droplets to form into spheres.
article_snippet.sent: spheres can't fit in between microscopic bumps and consequently roll off the surface.
highlights_snippet.sent: These increases the contact angle for liquids to 170 degrees causing them to form spheres and roll off .