article_snippet: ‘glass’ in the pipeline that promises to force liquid to stay put.
article_snippet: If a glob of water is broken, for example, a glob of water splits into many smaller blobs that scatter everywhere and are hard to clean up.
article_snippet: Your mouth completes the connection like a straw and you can suck the drink into Your mouth.
article_snippet: has grooves that force liquid to flow towards the drinker’s mouth, in one direction.
article_snippet: The shape of the container can passively drive fluids to desired locations without moving parts—exploiting the passive forces of wetting and surface tension.'
article_snippet: Instead of 'pouring,' a liquid retains a more globular shape held together by a liquid own surface tension.
article_snippet: This phenomenon complicates even the most basic of maneuvers such as drinking a cup of coffee.
article_snippet: Here, astronaut Greg Olsen uses a hose to blast droplets of water into astronaut Greg Olsen mouth .
article_snippet: they remain randomly distributed throughout a fluid – even after someone has swallowed they and small bubbles can join up to make large ones, resulting in digestion problems.
highlights_snippet: Ridges act to guide liquid towards a drinker's mouth in zero gravity .
  