article_snippet: But Liquiglide replaces this 'cushion of air' with a layer of liquid.
article_snippet: But Liquiglide replaces this 'cushion of air', or gas, with a layer of liquid.
article_snippet: The porous solid entraps a suitable liquid through capillary forces. '
article_snippet: capillary forces are sufficient to hold a suitable liquid in place against forces greater than 50g. '
article_snippet: A conventional super-hydrophobic surface (left) has a highly textured surface that creates a cushion of air to reduce friction, but LiquiGlide replaces this air with liquid (right)