FactChecker's latest activity
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FactChecker replied to the thread If you think having a backup is too expensive, try not having one.I think I will not live long enough to worry that someone owning a quantum computer will try to crack my password safe file. IMO, by... -
How little is little? Wish there was a (required) ruler underneath to give this. Never saw oil shale before or in an open pit...
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To drag myself back on topic, another thing I've seen in real life but don't have good photos of: This is on the north coast of Arran...
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FactChecker replied to the thread I Apparent counterexample to Cauchy-Goursat theorem (Complex Analysis).Right. I was just trying to stay as basic as possible.
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FactChecker reacted to mathwonk's post in the thread I Apparent counterexample to Cauchy-Goursat theorem (Complex Analysis) with
Like.
It is true that OP has not checked simple connectedness. However, although the theorem stated specifies simply connected, all that is... -
FactChecker replied to the thread I Apparent counterexample to Cauchy-Goursat theorem (Complex Analysis).The theorem specifies that the domain must be simply connected. Your "counter example" fails to remain within a simply-connected domain...
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FactChecker replied to the thread I The Einstein Clock aka Light Clock.If they record identical measurements of position and time for the sphere of light, but their measurement systems of position and time...
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FactChecker reacted to DaveE's post in the thread Severe Turbulence for Delta Flight 56 (NTSB report) with Like.
More like 1,000 ft in 20 seconds, I think. The truth is out there...
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FactChecker reacted to Haborix's post in the thread Severe Turbulence for Delta Flight 56 (NTSB report) with Like.
I can do without ever experiencing that! On a more positive, it is amazing how robust commercial planes are to be able to withstand such...
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FactChecker reacted to Hornbein's post in the thread Severe Turbulence for Delta Flight 56 (NTSB report) with
Wow.
During the flight, NTSB noted, the plane at one point reached well above maximum operating speed and lifted the aircraft about 10,000... -
Hi all, thanks a lot for the explanations. I was able to follow the rest of the explanation in the text-book once I was able to make...
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FactChecker replied to the thread I A variant of the Monty Hall problem.Good point. This brings in aspects of game theory. If the host plays games to offer a switch more often when the contestant's door is a...
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I think the point was the complication that Monty does not always give you the choice to switch. This is news to me! That adds a new...
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FactChecker reacted to Ibix's post in the thread I Please Explain (actually explain) The Monty Hall Problem with Like.
I actually initially convinced myself by drawing the probability tree: Step 1: pick a door to hide the prize (3 equi-probable branches)...
