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Maggie’s Motivational Pic Thread v2.0 - - New Rules - See Post #1

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So he took apart some filters and by looks alone he thinks he solved the mystery.

No flow tests
mesh size of filter media
Testing used oil for debris

Just “this one looks cheap and this one looks good”
Pretty much.

I don’t either of the filters in my bike but it was interesting to see the internals compared side by side.
 
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When sperm whales need a nap, they take a deep breath, dive down about 45 feet and arrange themselves into perfectly-level, vertical patterns. They sleep sound and still for up to two hours at a time between breaths, in pods of 5 or 6 whales, presumably for protection. No one knew whales slept vertically until a 2008 study documented the behavior. And no one captured really good photography of it in the wild until 2017. French photographer Stephane Granzotto was documenting sperm whales in the Mediterranean for his book on the creatures when he came across these sleeping whales... 🐋💙