Astronomy and Astrophysics New Technologies Physics Science Videos 

How to Drink Coffee in Space

Many of us remember being in a school assembly when an astronaut came to speak. The question on every kid’s mind (and teacher’s mind too, let’s be honest) was, “How do you go to the bathroom in space?” But what about other important things involving liquids in space? As it happens, there is a lot of research surrounding the behavior of fluids in zero gravity, such as how to drink coffee in space. In this video, our friend Dr. Joe Hanson from It’s OK to Be Smart explains why this…

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Latte foam: Photo by Piyato via freedigitalphotos.net Engineering Physics 

Science of Sloshing: Why Foam is Important

Have you noticed that adding foam to the top of a coffee makes walking with it easier? Foam reduces sloshing in drinks and other liquids. By Kate Stone Most of us know that carrying a full cup of hot coffee can be precarious and just one wrong move could send a wave of java sloshing over the rim. But have you ever noticed that adding a bit of foam to the top of the coffee makes moving with it easier? Scientists have found out why just a few layers of…

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