General > General Technical Chat
What if someone is WRONG on this forum?
thm_w:
--- Quote from: bdunham7 on December 28, 2023, 11:10:52 pm ---
--- Quote from: thm_w on December 28, 2023, 10:28:37 pm ---But is flat earth worth discussing? Its very clearly done and dusted, if you come in here spouting endless flat earth claims, and don't read the evidence showing you are wrong, should you not be banned?
--- End quote ---
If it isn't worth discussing, then don't. I'll admit to having been sucked into some discussions that seem silly in retrospect, but that's on me. I wouldn't want to see people being banned to protect me from my own stupidity. At some point a ban is necessary, but it is a drastic step that I'd like to see reserved for the most egregious cases.
--- End quote ---
Sure, so we'd agree that at some point it is a valid call. And in this case, would agree the line was not crossed.
vk6zgo:
--- Quote from: RJSV on December 28, 2023, 06:58:20 pm ---I noticed this topic is a 'Fast Mover', not sure if maybe there is a web site term for that kind of topic ?
At any rate any response I've had for EPAIII for example gets old and with many other newer responders so sorry if my comments are dated, somewhat (it's only a matter of some minutes).
My comment, RE: Antivax'er labels put on people:
Got the usual seasonal FLU SHOT, first off it made my shoulder muscle really sore! But now, that whole, left arm is weak and sore...the shot was in September...more than 3 months should have been sufficient for the arm muscles to recover.
Thing is, I'm reluctant to bring the subject up, as folks are SOOO propagandized these days, (it's like a kindergarten play-pen out there these days). I'll be labeled as an anti-vaxxing etc.etc.etc. with about 40 'slanderous' fictional labels, like racist etc.etc.etc.
Powerful politician (you'd rec the name) using terms like 'mis-dis-information' a humourous yet pathetic symptom, of the modern stereotype Really Smart Dumb-ass ...prosecutor, doctor, Governor.
So I'm intimidated. Not by some individual, but I'd just rather skip the accusations; 'Anti-vax' etc. etc. Many folks like me have gone underground these days.
The News is saying that it's a Social Virus type affliction...then they flash a 'CoronaVirus' looking round foam thingy, to make their point.
So clever; that foam thingy, lifted straight out of the 'Covid19' images folder.
I usually SKIP the seasonal shots, altogether
--- End quote ---
Re your flu shot:-
Have you entertained the possibility that your current problem was NOT caused by the needle?
Perhaps there is something else seriously wrong with your arm, which needs investigation.
The possibility exists that if there is, it is why you had such a bad reaction to the shot.
When I had Covid, a month or so back, it affected my balance a bit, & while feeding the dogs, I fell, hurting my back on the metal tubing of the dog bed.
It was very sore, but only indirectly connected to Covid.
I do feel that Covid enhanced the pain & prolonged it, but it is "just a feeling".
Confusing coincidence with causality has caused a lot of witch hunts (real ones) in the past.
RJSV:
Yeah, but I'm in a typical set of doctors and a ring network of specialist doctors, exceeding my expertise, (supposedly). The 'prime' person is too lazy to coordinate the other 9 or 10 specialists, leaving myself to take the reins...
Now, whenever I encounter a doctor using common sense and paying attention, rather than shopping the patient out to yet another self-absorbed specialist, I feel thankful.
One of the good ones has a PHD in management, along with the medical stuff.
Andy Chee:
--- Quote from: Halcyon on December 27, 2023, 09:59:40 am ---The current litmus test is the Whirlpool forums (whirlpool.net.au).
--- End quote ---
Interesting you mention whirlpool moderation. Whirlpool locks threads for ongoing "thread vandalism", where the OP heavily edits their posts well after the fact, often to change the entire context of their argument, especially in situations where the OP is being heavily criticised.
I just noticed an instance of "thread vandalism" here:
--- Quote from: Someone on December 29, 2023, 12:14:59 am ---[... and there we have it. Changing the post to make it look like people are disagreeing with you. There was no need to edit the original post when you can just add your new argument inline.
--- End quote ---
vk6zgo:
--- Quote from: tggzzz on December 28, 2023, 01:54:30 pm ---
--- Quote from: EEVblog on December 27, 2023, 11:15:49 pm ---
--- Quote from: tggzzz on December 27, 2023, 12:22:26 pm ---Awkward question: should someone be allowed to continue beligerantly encouraging other people (especially beginners) to do things that are generally acknowledged to be dangerous?
--- End quote ---
We have a specifc rule about safety for that very reason. It's only been used once or twice, but it's there.
Everyone's level of "dangerous" is different. I famously say that anything over 12VDC scares the shit out of me. Then you have Electroboom and Photonic Induction.
--- End quote ---
A 12V car battery scares me in the wrong circumstances: drop metal across that and see how much disappears as vapour and blobs. Metal bracelets and necklaces are verboten :) EDIT: 2n3055 mentioned another classic: wrenches.
OTOH I have secondary school physics equipment where there is 230-400V (controlled by front panel potentiometer) on an exposed terminal. Touching that terminal with a finger causes the dekatron counters to spin :) It has a 5Mohm resistor in series, which is required so that a Geiger-Muller tube discharge generates a pulse, which is counted.
The particular problem encountered here is people telling beginners that floating a scope is OK, and that traditional scope probes are OK when connected to the mains. They never add the necessary pre-conditions, and - disgracefully IMHO - often belittle or deny them.
--- End quote ---
Traditional 'scope probes (those from legitimate sources) are OK when connected to the mains, if a number of important precautions are taken.
In many cases, for a quick look at the mains, just to "see if it is there", there is no need to attach the ground clip to anything, as there is a sufficiently good return path to ground via the neutral/ground connection at the power inlet to the building.
Another method which was used is the "quasi-differential" one, using the CH1+CH2 setting of the 'scope.
These methods were quite adequate in the past, when differential probes were similar in cost to a small car but are probably not worthwhile when such probes are relatively cheap, especially for beginners.
One problem is that beginners get a nice new shiny DSO, but have no analog signal sources to look at, unlike oldsters like myself, who first got our hot, sweaty little hands on a 'scope in a work situation, with multiple signal sources.
We also knew that if we wrecked anything, we would incur the wrath of the Boss--not something to take lightly!!!
Our beginner has zilch, & probably hasn't read the instructions to know about the cal output square wave, they can't look at a transformer secondary (even their "wall warts" are switch mode) so their "bright, enquiring little minds" fix on the mains as a convenient source.
As to "floating a 'scope"----- in all my years in Electronics, I have seen it done once.
That was being supervised by an EE, a Supervising Tech, a Senior Tech, & most important of all a lowly Tech with his hand on the Main circuit breaker handle.
After that one test, the 'scope was immediately returned to standard configuration.
Apart from that one time, it was NO!, NO!, NO!, NO! :scared:
So if a beginner can organise the personal attendance of a similar lot of expertise on the day, it might be OK!
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