FactChecker's latest activity
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FactChecker replied to the thread Undergrad Infinity and 0 (null set) do not exist.IMO, that's the quote of the day. I'll have to remember that. -
FactChecker reacted to DaveC426913's post in the thread Undergrad Infinity and 0 (null set) do not exist with
Like.
You are conflating mathematics and physics. Pure mathematics is not dependent on the size of atoms. That circle you speak of does not... -
FactChecker replied to the thread What force causes precession?.Any instantaneous linear momentum of a particle on one side of the wheel is exactly balanced by an opposite instantaneous linear...
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If an unforeseen condition arises in a game between two players then only those two players can determine what is the most acceptable...
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I host games here and there (darts, cards) and I keep running up against discrepancies for "what should happen in scenario X". My...
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FactChecker replied to the thread High School Multiplication and Division by Numerical "Trituration".Ha! For those of us with bad memories, this has been the way to remember that 9*7 = 10*7-7 = 63 since 3rd grade. In fact, I truly...
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FactChecker reacted to PeroK's post in the thread High School Seemingly odd quantum tunneling with Like.
A human being (and other life) grows by cell division. Your question would be what stops an entire human being spontaneously cloning...
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FactChecker reacted to Demystifier's post in the thread High School Seemingly odd quantum tunneling with
Informative.
Yes, decoherence. Macroscopic objects have many degrees of freedom, which interact with many degrees of freedom from the environment, so... -
FactChecker reacted to james_bellhouse's post in the thread Undergrad Does Spacetime rotate like a vortex? with Like.
I appreciate the feedback and I will do some more reading from the tips you have all given. Thanks for the patience shown to a novice
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FactChecker reacted to JimWhoKnew's post in the thread High School Looking for an English translation of Levi-Civita's 1926 paper "Sur l'écart géodésique" ("On the geodesic deviation") with Like.
I don't know what is the right sub-form for this question, so I post it here. I'm looking for an English translation of Levi-Civita's...
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FactChecker replied to the thread Undergrad Does Spacetime rotate like a vortex?.Spacetime is a coordinate system by which positions, velocities, accelerations, etc., can be measured. Some interesting and, IMO, fun...
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FactChecker reacted to Sagittarius A-Star's post in the thread High School Confusion about one of Maxwell's equations with Like.
Yes. But ##\Phi_B = \int \int_\Sigma {\vec B \cdot d\vec S}## changes over time, because the angle between the magnetic field and the...
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FactChecker reacted to DaveE's post in the thread Undergrad Odd coincidence: two people with same name living on the same street with Like.
I suspect people named Kowalski are more common in the Chicago area than near San Diego, for example. Of course if it's just a math...
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In a competitive environment 'Natural Intelligence' does the very same. Only imposed constrains (awareness and tolerance of society)...
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FactChecker replied to the thread High School Confusion about one of Maxwell's equations.This is about the amount of magnetic flux going through the open loop of the rotating wire. That is changing as the wire rotates. With...