A robot walks on water thanks to evolution's solution
Fan-like, passively morphing leg appendages enable Rhagovelia water striders to exploit surface tension and generate rapid, powerful propulsion across water surfaces.
Avoid Sticking Drinks By Choosing This Material For Your Coasters - Tasting Table
Textured or absorbent coasters prevent glasses from sticking by disrupting the water seal and surface-tension vacuum formed between two smooth surfaces.