Astronuc's latest activity
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Astronuc replied to the thread High School High energy bremsstrahlung production in non vacuum environments.Where is one finding the pressure (torr) values? ~3 x 10^-28 Torr is too low for a lab vacuum. Ultrahgh vacuum (UHV) is considered... -
Astronuc replied to the thread High School High energy bremsstrahlung production in non vacuum environments.Not quite. Electrons used to generate bremsstrahlung photons are accelerated in a vacuum from a source to a target. The electrons...
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Astronuc replied to the thread High School High energy bremsstrahlung production in non vacuum environments.Not quite; it is not unsafe, unless proper shielding is excluded. There are two factors: 1) accelerating charged particle in a gas...
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Astronuc replied to the thread High School High energy bremsstrahlung production in non vacuum environments.There are electron accelerators used to generate photons in the MeV range. Within the accelerators, the electrons travel in a vacuum...
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Astronuc replied to the thread How effective is nuclear propulsion?.The space shuttle does have rockets attached to it! It has three main engines (SSME). The large fuel tank contains the liquid oxygen...
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Astronuc replied to the thread High School High energy bremsstrahlung production in non vacuum environments.Acceleration of charged particles takes place in a vacuum so that the bulk of the particles are accelerated to more or less the same...
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When I visited Angkor Wat I was struck that most of the preservation programs were devoted to mitigating the harm of previous...
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Astronuc replied to the thread ChatGPT Examples, Good and Bad.The unearned confidence AI chatbots are providing is wild to witness. Jesscia Knurick, PhD Nutrition Science and Registered Dietitian...
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Astronuc reacted to Borek's post in the thread Why have the number of questions declined over recent years? with
Like.
And how do you judge, if the answer is beyond your knowledge? -
Astronuc reacted to Borek's post in the thread Why have the number of questions declined over recent years? with Like.
Several processes - one is that at some point "all questions were already answered", quite often it was enough to google for problem to...
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Astronuc replied to the thread Need to anneal 5052 aluminum.A quick look at the Wikipedia article gives some very basic information, e.g., "5052 is not a heat treatable aluminum alloy, but can be...
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I used search terms 5052 aluminum annealing temperature, and got several good results. Some of the confusion might be due to the way...
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Astronuc replied to the thread Beware Fake History.The internet has connected the public with experts and has expanded the public domain, e.g., Wikipeida. However, concurrently, the...
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There is a proliferation of AI fake content on contemporary world events. Similar to the fake news of the first presidential election...
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This gentleman has produced at least 384 videos in one month. These producers love that fake dirt on the screen. Why?