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Coffee Maker: Pumping water with almost no moving parts

engineerguy · Youtube · 2 HN comments
HN Theater has aggregated all Hacker News stories and comments that mention engineerguy's video "Coffee Maker: Pumping water with almost no moving parts".
Youtube Summary
Bill takes apart a coffee maker to show how hot water is pumped through it using a "bubble pump." The use of this pump reflects an engineer's choice to have only one heating element to lower the cost.
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His other video about drip coffee maker is also great explaining the details, https://www.youtube.com/watch?v=4j4Q_YBRJEI
The Engineering mindset is to make the best possible thing while minimizing cost, time, and complexity. I find that somewhat freeing as perfection off the table.

https://www.youtube.com/watch?v=4j4Q_YBRJEI

It works for a huge number of things two. Hmm I wonder if I can do this in 15 minutes, or I wonder how compact I can get this, or whatever as long as it's not abstract like make it pretty.

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