Dale's latest activity
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Dale replied to the thread High School The problem of energy appearing out of nowhere.I would think that you could take a relativistic Lagrangian and just add an explicit symmetry violating term. That should be self... -
Dale replied to the thread High School The problem of energy appearing out of nowhere.You could have a universe that obeyed relativity and did not respect the conservation of energy. Such a universe would also violate the...
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Dale replied to the thread Graduate Probability puzzle.Ok, so the issue isn’t that a tie favors the right player (the whole game does), but that for the left player a tie at D represents a...
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Dale replied to the thread Graduate Probability puzzle.Ah, I missed the tie -> rematch condition. That makes the optimum a little difficult. I would guess that the left player would want to...
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The difference comes when Righty can fire at the same time as Lefty. If if they both fire at exactly .618 it boosts Righty's chance of...
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Dale replied to the thread Graduate Probability puzzle.It does favor the right player, but it is still optimal for the left player also. In other words, the game is rigged. The optimal...
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Dale replied to the thread Graduate Probability puzzle.We are given that both players play optimally. We were not given it, but I also assumed that both players know the other player is also...
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Dale replied to the thread Graduate Probability puzzle.I see the same. At any distance greater than D = 0.618 m each player's best strategy is to wait, regardless of the other player's...
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Two players start 1 meter away from a target. They simultaneously begin moving towards the target at a same constant speed. If the left...
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Dale replied to the thread Undergrad Why did the photon lose its license?.This thread will remain closed. It contains far too much anthropomorphisms and ad hominem arguments to effectively address the factual...
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Dale reacted to Matterwave's post in the thread Undergrad Why did the photon lose its license? with
Like.
> ...to be the same event from its own perspective... (Ignoring the "from its own perspective" since that doesn't make sense within the... -
Dale reacted to PeterDonis's post in the thread Undergrad Why did the photon lose its license? with Like.
Neither of these are correct. What is correct is that "proper time" and "proper distance" are undefined for light. Lightlike objects in...
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Dale replied to the thread Undergrad Why did the photon lose its license?.That is amazingly ignorant: https://math.ucr.edu/home/baez/physics/Relativity/SR/experiments.html
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Dale reacted to brotherbobby's post in the thread Undergrad Textbook description of R##\ddot{\text o}##mer's light speed calculation with Like.
Statement of the problem : I copy and paste the clip from the text, underling in red the sentences where, in my opinion, the author(s)...
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Dale replied to the thread Any advice for learning how to spot legitimate physics from kooks?.Frankly, don’t waste time trying to spot legitimate physics by kooks. Spend your time learning legitimate physics from reputable...