vacuum pump – Adventures in Oceanography and Teaching

Vacuum pumps

mglessmer — Sun, 20 Apr 2014 05:37:09 +0000

What else did you think we tested them on? Before using my parents’ vacuum pumps (“vacuum” being used in a loose sense of the word…) on water in this post, we obviously had to make sure they worked. And can you guess how you best test that? Really. What else did you think we tested them […]

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Bubble size depending on pressure

mglessmer — Wed, 16 Apr 2014 05:42:40 +0000

More playing with a vacuum pump. In this post, we talked about how decreasing the pressure on water can make dissolved gases come out of solution. But what happens if you suddenly increase the pressure again? This is the same movie as in the previous post, just to remind you of what we did: We […]

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Gases dissolved in water

mglessmer — Mon, 14 Apr 2014 05:23:12 +0000

A simple experiment to show that there are really gases dissolved in water. Luckily, my parents like to play at least as much as I do. So when I got back from doing “real science” in Bergen the other day, they picked me up at the airport and showed me their latest toys: Vacuum pumps! […]

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