FactChecker's latest activity
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0 is already special. It is the additive identity in the Complex, Real, Integer, Natural, etc. number systems. We use it a lot! So... -
FactChecker replied to the thread High School What if 0 is special?.You might be interested in Abstract Algebra. They study the basic abstract properties of sets with an operation or two (usually called...
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FactChecker replied to the thread Stargazing Where are Voyager and Pioneer heading?.Ok. I'll buy that. And I guess they are envoys if they contain things that might be discovered by others.
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FactChecker reacted to Cerenkov's post in the thread Stargazing Where are Voyager and Pioneer heading? with
Like.
Well, for me it's not just about the data these probes can give us, FactChecker. I believe that it was Carl Sagan who said that images... -
FactChecker replied to the thread Stargazing Where are Voyager and Pioneer heading?.Sorry, I didn't read the whole paper because their batteries are/will be dead thousands of years before they reach anything. Pioneer...
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FactChecker reacted to phyzguy's post in the thread High School Understanding the Reasoning Behind Basic Algebra with Like.
The fact that "if two quantities are equal and you do the same thing to both of them then they are still equal" seems pretty elementary...
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FactChecker replied to the thread AI AI and Math Research.Good point. The concerning issue is that it is often so hard to understand why AI comes to the conclusion it does. It is not...
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FactChecker (2026). Post #9 in thread: AI and Math Research. Physics Forums. https://www.physicsforums.com/posts/7322472/ The value is...
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FactChecker replied to the thread AI AI and Math Research.You have a point regarding funding, but, IMO, there is value in knowing what is right and what is wrong, regardless of who gets the credit.
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FactChecker reacted to pbuk's post in the thread Undergrad Curious About Symmetric Number Sequences with Like.
You seem to be using the "reply" or "quote" functions incorrectly which makes it very difficult to reply to your messages: your own...
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FactChecker reacted to mfb's post in the thread SpaceX starts operational Starship launches with
Informative.
Based on air traffic coordination Edit: Also as FAA advisory now SpaceX should release a flight plan soon but we can expect a ~250-350... -
FactChecker reacted to pbuk's post in the thread Undergrad Curious About Symmetric Number Sequences with Like.
No. Its not you. I am not sure why the OP did not simply write: "consider the following sequence": 1 - 2 + 1 = 0 1 + 2 - 3 + 2 + 1 =...
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FactChecker reacted to .Scott's post in the thread Graduate Measurement of mass geometrically with Like.
I am uncertain exactly how you're making this measurement, but as long as you are not trying to be practical, the answer is probably...
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FactChecker replied to the thread Undergrad Curious About Symmetric Number Sequences.Sorry, I might be dense. I understand where people are getting the ##n^2-1##, but I have no clue what the OP means by "gives", other...
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FactChecker reacted to pbuk's post in the thread Undergrad Curious About Symmetric Number Sequences with Like.
This description may be meaningful to you, but when communicating with other people it is not helpful to use phrases like "the two 1s...