Nik_2213's latest activity
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Nik_2213 reacted to DaveC426913's post in the thread Insights Thinking Outside The Box Versus Knowing What’s In The Box with
Like.
6000+ exoplanets detected (1988+) Discovery of the Higgs Boson (2012) Accelerating Expansion of the Universe (1998/2011) Quantum... -
Nik_2213 reacted to Esim Can's post in the thread Insights Thinking Outside The Box Versus Knowing What’s In The Box with Like.
The problem with boxes are, that they also become a hermetically closed prison. A human being is not a computer, who can erase something...
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Nik_2213 replied to the thread Spin forming of magnesium alloys ?.Thank You, Thank You !! Although the referenced article was pay-walled, Google Scholar search found related 'open' PDF: Tube spinning...
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Nik_2213 reacted to Baluncore's post in the thread Spin forming of magnesium alloys ? with
Informative.
Yes, several magnesium alloys possess sufficient ductility for spin forming, but they generally require heat-assisted processing (hot... -
For another great example of a somewhat more mechanical complicated, but also more powerful calculator take a look at the Curta:
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Designed in the 1880's, popular in the 1920's through 60's. Subtraction by turning it over to get a different display on the other...
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{ This is a world-building query, not home-work. } Do any magnesium alloys have sufficient ductility for spin forming ? Assume...
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Nik_2213 replied to the thread Insights Thinking Outside The Box Versus Knowing What’s In The Box.Sometimes, you can turn box about to access via open side no-one else noticed...
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Nik_2213 reacted to Swamp Thing's post in the thread High School Ram pump -- is water compressibility really relevant? with Like.
I may not have worded my question in the best way. Steve Mould's explanation is based on the idea that you can't make complete sense of...
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Nik_2213 reacted to Ken Fabian's post in the thread High School Ram pump -- is water compressibility really relevant? with Informative.
I built and used one for a time - a variant that included a pressure vessel packed with closed cell rubber rather than just an air...
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Nik_2213 replied to the thread Does molten magnesium react with silica?.My thanks to 'HC' who sent me a summary of Magnesium fire-fighting. This is a non-trivial task. Once Mg gets going, it will take...
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Nik_2213 replied to the thread Torque to turn a large Beam on a Rotisserie."...by wrapping the hoist chain around the column" IIRC, the process is 'To Parbuckle', and done by lumber-haulers. Take care !!
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Nik_2213 replied to the thread Does molten magnesium react with silica?.Again, thank you !! Being able to cry, 'Oh ? Ooh, Shiny !!', rip up and re-write a sub-plot is one advantage of keeping a hefty...
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Nik_2213 reacted to Baluncore's post in the thread Does molten magnesium react with silica? with Informative.
You can glaze the magnesium object, but only if it first has a surface covering of MgO, to isolate the Mg metal from the surface glass.
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Nik_2213 replied to the thread Does molten magnesium react with silica?.Again, thank you. So, rather than coat the magnesium with silica glass, Plan_B is a TBA polymer...