jbriggs444's latest activity
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jbriggs444 reacted to JT Smith's post in the thread A three month long summer vacation from public school seems stupid with
Like.
It's a question of balance and clearly there is disagreement about that. Fortunately one person's preference doesn't decide. If I were... -
jbriggs444 reacted to PeroK's post in the thread A three month long summer vacation from public school seems stupid with Like.
@jbriggs444 many years ago, I was watching the US Open Tennis. Andy Roddick was playing Giles Muller from Luxembourg. The commentators...
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jbriggs444 reacted to PeroK's post in the thread A three month long summer vacation from public school seems stupid with Like.
We have Christmas and Easter breaks as well. It's also worth noting that the teachers holidays are shorter as they have preparation to...
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jbriggs444 reacted to PeterDonis's post in the thread A three month long summer vacation from public school seems stupid with Like.
You shouldn't be. All human history shows that we humans are very poor at deciding things for others. There are cases where it has to be...
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jbriggs444 replied to the thread A three month long summer vacation from public school seems stupid.It would be easy to read this as saying that unproficient students is a solved problem. That the solution is called "special education"...
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jbriggs444 replied to the thread A three month long summer vacation from public school seems stupid.For us (1960's and 70's midwest US) it was a three month vacation from June through August. My parents were both teachers, so the entire...
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jbriggs444 replied to the thread I Describing the Big Bang.My training as a network engineer (retired) has been activated... On the face of it, the URL...
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jbriggs444 replied to the thread I am writing a SciFi story but I don't like Rayguns.If one is talking about hand held ballistic projectile weaponry then there is not a lot of room for improvement over gunpowder and lead...
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It seems a lot of confusion is created for the OP when the full original problem statement is not provided. The learner may not be able...
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I thought the point was that (depending on ##\mu## and ##\theta##) block B will initially slide down the slope, considerably...
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jbriggs444 replied to the thread Minimum mass of a block.The concern is not about mass A moving mass B. It is about mass B sliding down the ramp in the absence of a force from mass A. If the...
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Or, if the universe really is topologically flat (or otherwise spatially infinite): ##f(x,y,z,t) = \frac{-1}{t^2}## for ##t \ne 0##.
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jbriggs444 replied to the thread I Describing the Big Bang.I think that this is the point that you (@.Scott) were trying to make. Any popularization that tries to describe the initial...
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jbriggs444 replied to the thread B Could we ever create a black hole?.With a mass that low, you'll have to hand the evaporating "hot potato" around very fast.
