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How prairie dogs use the Bernoulli’s principle.
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How prairie dogs use the Bernoulli’s principle.
In order to ensure sufficient oxygen within their burrow, one of the entrances is built with a raised mound of dirt, while the other is not. This determines different wind velocities and different pressures + natural ventilation
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Massimo
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Restoring a Rolex Milgauss
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Restoring a Rolex Milgauss
Fun fact. This watch (Rolex milgauss) was made by rolex to hang out in a lab. It was made for scientists at CERN working in proximity of high magnetic fields. You can see that the movement is inside an additional shell that is a Faraday cage - it makes
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A little girl’s house catches fire in Yichang, Hubei.
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A little girl’s house catches fire in Yichang, Hubei.
Her finished homework and exam papers burn to ashes.
Firefighters put out the blaze… then thoughtfully bring her a fresh set of blank test papers.
“Exams are coming soon. Study hard!”
“Do you like it? Are you happy?”
The
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