Fascinating Stuff 🧐

General Chat
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While I had that awful virus in May I bought myself a pyrite sphere [roughly 6" in diameter] to cheer myself up.
There’s several thin depressions where the surface is covered with tiny pyrite cubes. A bargain at $120 [roughly $80usd]

Then last week I found a lapis lazuli sphere [roughly 6 1/2" diameter] for $70 [$46usd] A freakn steal.

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Yes good reversing but when ones done the same maneuver in the same spot hundreds of times then one should be proficient.

Backing a semi-trailer is actually much easier than backing up a small box trailer with the family car. ilndksgc

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Cool!

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https://physicshack.com/product/vortex-dome/

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Dear Santa,

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