Hornbein's latest activity
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HHornbein reacted to BillTre's post in the thread Famous people known for two totally unrelated accomplishments with
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Byron White, AKA Whizzer White was an All-American half-back in college and got into the NFL (1938, 1940-1941) He then got into the NFL... -
HHornbein replied to the thread Why Faucets Don't Leak Anymore.It shows how water faucets evolved over six design iterations, starting with the leaky washer faucets of my youth to faucets that last a...
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HHornbein replied to the thread Free 4D Earth Book.It's all based on high school math and linear algebra. But most people aren't interested in that, they just want the results.
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HVery cool. Thanks! What did you think? No math? I'm in!
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HHornbein reacted to pinball1970's post in the thread Undergrad Is infinity a necessary concept? with
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It is worth checking Cantor out. -
HHornbein replied to the thread Bismuth Crystals.It appears one may grow large crystals of any of the metallic elements. This seldom occurs in nature and I suppose it isn't easy...
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HHornbein posted the thread Roman concrete self-healing with quicklime and dodecahedron wire-weaving in Art, History, and Linguistics.2023 : Researchers discover why Roman concrete is so durable. It contains little lumps of quicklime. When cracks form in the concrete...
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HHornbein replied to the thread Bismuth Crystals.If I had written "composed entirely of an element" then I would have misspoken. Carbon is an element so I say it's included. It's...
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HHornbein replied to the thread Bismuth Crystals.Steel bronze and brass are alloys entirely composed of the elements (or so I believe anyway). No rule against mixing them.
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HHornbein replied to the thread Bismuth Crystals.Huh, I thought metals had to be made of the elements, not compounds. I thought metals had to be flexible. The dictionaries say...
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HHornbein replied to the thread Bismuth Crystals.Aha. So it's the size of the crystals then. Do any metals aside from Bismuth so easily form large crystals like that.
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HHornbein replied to the thread Jeopardy question off the charts.Final Jeopardy questions are much harder than they used to be. So much so that sometimes the winning move is to bet zipkis and hope the...
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HHornbein replied to the thread Cover songs versus the original track, which ones are better?.If you blindfolded me and told me it was Prince I would believe it. And the audience ignores them! Tough being a musician in the...
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HHornbein replied to the thread Cover songs versus the original track, which ones are better?.Orig Amazing cover. The saxist plays very well but the orchestra arrangement is the greatest. It makes me wish I were still in...