Everything posted by swansont
-
Aliens from space (split from Time to talk about UFO's or now as the military calls them UAP's?)
One thing about what John Oliver said - “we don’t know what it is” is an answer, and whatever label you attach (UFO, UAP) saying it’s unidentified is an answer. There isn’t enough information to make an identification. And he notes that “a rigorous, evidence-based, data-driven scientific framework is essential” which is what I’ve been saying. This has to be treated on equal footing as any other bit of science. Conclusions have to be derived from the evidence. You need better data.
-
Twin paradox with a twist
Gravity provides the centripetal acceleration. They were at some location in a potential well, and the explanation used that, but gravity and acceleration are equivalent.
-
Hijack from Aliens from space (split from Time to talk about UFO's or now as the military calls them UAP's?)
! Moderator Note Rather than contacting anyone, you should just not hijack threads to talk about your pet theory
-
Aliens from space (split from Time to talk about UFO's or now as the military calls them UAP's?)
Anecdotes. Avi Loeb is being “ridiculed” because in his most recent incident he made outlandish claims about something on the ocean floor being of interstellar origin and possibly alien. He used seismometer data that turned out to be from a truck driving on a nearby road and he didn’t bother to check with seismologists. Among other issues, apparently. Claiming something not supported by the evidence is poor science. https://bigthink.com/starts-with-a-bang/truth-harvard-astronomer-alien-spherules/ Being criticized for doing poor science and overstepping - much like Pons and Flieschmann were criticized - is not evidence of a systematic plan to ridicule. Loeb is not a good example to try and use.
-
Aliens from space (split from Time to talk about UFO's or now as the military calls them UAP's?)
There isn’t going to be more information in those reports as time goes on, so I don’t see how this analogy is relevant. Research will move toward success if you improve the quality of the research, as I’ve pointed out numerous times. You keep harping on ridicule - and suggesting it’s systematic - without presenting evidence of it. Pointing out the poor quality of data and the nonscientific approach is not ridicule, it’s a statement of fact. True skepticism is part of science.
-
ZOMBIFICATION OF HUMANITY AND THE HERALD OF AI.
Analog media can’t fail?
-
Aliens from space (split from Time to talk about UFO's or now as the military calls them UAP's?)
1600 reports, and yet I don’t recall any of these being offered up in these discussions. I have to think they contain nothing conclusive.
-
Twin paradox with a twist
The moving twin is accelerating. You can’t move around a circle without accelerating.
-
Why is Argon Chosen for Double Glazing?
It does have lower heat conduction; Kr is even lower. Probably a function of the higher mass - diffusion rates should be dependent on that.
-
Aliens from space (split from Time to talk about UFO's or now as the military calls them UAP's?)
And what have they found?
-
How does a physical system evolve under acceleration?
Driving across the US and back at highway speeds accumulates a couple of nanoseconds of time dilation. Most can ignore it, but if you’re transporting an atomic clock (as part of a calibration effort) you have to account for it. The quality of the clock matters, too.
-
The equivalence principle and blueshift
But that’s a velocity-induced blueshift. The acceleration is incidental; you’ll see that blueshift regardless of the acceleration details.
-
acceleration (split from How does a physical system evolve under acceleration?)
a = dv/dt It will be v/t only if acceleration is constant and you start from rest. a = 2d/t^2 for constant acceleration, starting from rest. Doing the proper math gives you the factor of 2, which doesn’t come from unit analysis This would seem to be irrelevant to the twin paradox discussion.
-
acceleration (split from How does a physical system evolve under acceleration?)
Those are the units, but not the equation. Is there a point here?
-
How does a physical system evolve under acceleration?
There were Mössbauer experiments done with rotors - the emission/absorption moves out of resonance as you increase the rotation speed. citations 82-84 in https://en.m.wikipedia.org/wiki/Tests_of_general_relativity
-
Hydrogenosome organelles found in deep sea organisms
Link to the news?
-
How does a physical system evolve under acceleration?
The twins paradox typically idealizes the accelerations; the clocks are set equal after the space twin is up to speed, and the turnaround takes negligible time. The only importance of the acceleration is that it shifts the space twin into a different inertial frame. A rotating system is accelerating, and a clock in that system would tick at a rate depending on the instantaneous speed. The same would apply to a clock under continuous linear acceleration.
-
Why use the atomic bomb on Japan?
I think it’s what is the difference between using 1 bomb to kill these people, or using bombs from a few hundred planes. The US had already killed 100k civilians in the raid on Tokyo, and several tens of millions of civilians died in the war, and even more if you include the resulting disease and famine. If the issue is the WMD, then the number of civilian deaths wouldn’t seem to be the issue.
-
ZOMBIFICATION OF HUMANITY AND THE HERALD OF AI.
Between audiobooks and video, and possibly other causes, fewer people read these days. “Data indicate a sharp decline in reading over the last decade. The percent of U.S. adults who read at least one book (in print or electronically) in 2022 was 48.5, 6.1 percentage points lower than in 2012” https://www.publishersweekly.com/pw/newsbrief/index.html?record=4377 I am dubious about the claims “machines are becoming more intelligent than majority of humans together with increased abuse of drugs” because machines aren’t intelligent (AI is a label, but it’s just a re-branding of “algorithm”) and no evidence was provided that drug abuse is increasing
-
Eye Retina Intromission Alternatives
! Moderator Note No optics, and chock full of unsubstantiated musings. The opposite of what I said. Don’t bring this up again.
-
Need Help With Fictitious Virus.
! Moderator Note Rule 2.11 Solicitations requiring non-disclosure or confidentiality agreements, or insisting that discussions must take place privately, are not permitted. We are here to discuss science, in the open (and "I have an idea, can someone do the math for me" typically woefully underestimates the amount of effort this involves).
-
Bohmian Locality as an answer to Bell's inequalities
Material needs to be posted here. What’s the electric dipole moment of a charged ring?
-
Discriminated upon on the forum,where do you....what?
First rule of the speculations forum Speculations must be backed up by evidence or some sort of proof. If your speculation is untestable, or you don't give us evidence (or a prediction that is testable), your thread will be moved to the Trash Can. If you expect any scientific input, you need to provide a case that science can measure I pointed this requirement out to you, and you still did not comply. It’s explained further here https://www.scienceforums.net/topic/86720-guidelines-for-participating-in-speculations-discussions/ Palatability is not an issue; your posts don’t convey any coherent thought that I can discern. I think you overestimate how effective your diagrams are at conveying useful, scientific information.
-
Why use the atomic bomb on Japan?
Deterrence usually means in terms if using them. Statistically they are a deterrent; nobody has used them after more than one country had them.
-
Discriminated upon on the forum,where do you....what?
I admit, we discriminate against people who don’t follow the rules.