capillary action

  • Now We Know How Beer Foam Stops All That Sloshing

    Now We Know How Beer Foam Stops All That Sloshing

    There’s something especially satisfying about a nice cold brew with a thick head of foam. But that foam also serves a purpose: not only does it enhance the flavour of your beer, it also helps dampen the inevitable sloshing when you and your pals clink glasses. Scientists now think they have figured out why.