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From: Jan Panteltje <alien@comet.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Visualizing
Date: Mon, 09 Sep 2024 06:25:15 GMT
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On a sunny day (Sun, 08 Sep 2024 09:27:13 -0700) it happened john larkin
<jlarkin_highland_tech> wrote in <sajrdj1b7v5cedkmgfu8ssbnb576f8smde@4ax.com>:

>On Sun, 08 Sep 2024 07:02:40 GMT, Jan Panteltje <alien@comet.invalid>
>wrote:
>
>>On a sunny day (Sat, 07 Sep 2024 07:56:15 -0700) it happened john larkin
>><jlarkin_highland_tech> wrote in <o2qodjp2ddlah6ikfob6icjqa4as2ulib1@4ax.com>:
>>
>>>On Sat, 07 Sep 2024 07:29:56 GMT, Jan Panteltje <alien@comet.invalid>
>>>wrote:
>>>
>>>>On a sunny day (Fri, 06 Sep 2024 08:59:06 -0700) it happened john larkin
>>>><jlarkin_highland_tech> wrote in <eq8mdjd7lohm9rglsdc7rgi5i7nbde1co1@4ax.com>:
>>>>
>>>>>On Fri, 06 Sep 2024 11:27:38 -0400, Joe Gwinn <joegwinn@comcast.net>
>>>>>wrote:
>>>>>
>>>>>>On Fri, 06 Sep 2024 07:53:46 -0700, john larkin
>>>>>><jlarkin_highland_tech> wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>I was driving and listening to the local mostly-annoying NPR radio
>>>>>>>station, but they had an interesting interview with a book author. It
>>>>>>>was about his novel or some poetry or something.
>>>>>>>
>>>>>>>What was interesting was his recalling a conversation that he'd had
>>>>>>>with his wife. She was takling about a plant or something and asked
>>>>>>>him to visualize it. He was astounded that she, or anyone, could close
>>>>>>>their eyes and *see* something they were thinking about. 
>>>>>>>
>>>>>>>I was shocked to learn that there are people who can't form a mental
>>>>>>>visual image.
>>>>>>>
>>>>>>>Close your eyes and consider a nice white ceramic dinner plate with a
>>>>>>>beautiful deep red apple sitting in the center. Can you see it? From
>>>>>>>the side and from the top? Do you see the stem? The colors? Imagine it
>>>>>>>slowly rotating? See the fruit fly?
>>>>>>>
>>>>>>>If the world is divided between people who can visualise and people
>>>>>>>who can't, that could explain a great deal.
>>>>>>
>>>>>>There are definitely such people, and I've met them.  The example that
>>>>>>springs to mind was a History Teaching Assistant I met in college in
>>>>>>the 1960s.  It turned out that he had been an EE Undergrad, and
>>>>>>discovered that he could not visualize the electrons in motion, unlike
>>>>>>his colleagues.  This TA was wise enough to know that this was
>>>>>>crippling - he would never be able to compete with those who could
>>>>>>visualize electrons.  So he switched to History.
>>>>>>
>>>>>>Joe Gwinn
>>>>>
>>>>>The statistics would be interesting, whether the non-visualization
>>>>>thing is common or maybe very rare. I'll have to google that some
>>>>>time.
>>>>>
>>>>>There is a small fraction of the population that don't like music, for
>>>>>example. That includes me. Some people absolutely can't remember
>>>>>faces. I know a guy who can only recognize people by their hair.
>>>>>
>>>>>I'd expect that among CE/EE graduates, good visualizers would tend to
>>>>>be more EE and less visualizers more CE. Things vs words.
>>>>>
>>>>>That would suggest a good interview question.
>>>>>
>>>>>I was drafted once (never served) and took a test to join the Marine
>>>>>Corps. One part involved looking at a flat thing with various squares
>>>>>painted with patterns, and then imagining a box that was folded up
>>>>>from the flat thing. I guess that visualizing things would be useful
>>>>>to a Marine.
>>>>>
>>>>>I think the original IQ test was for the military.
>>>>
>>>>I was tested for the draft here and immediately assigned to the air force.
>>>>But did not have to serve as there was a law here 'eldest son breadwinner'.
>>>>But sure enough my first job was designing stuff for the telcos, army and navy,
>>>>so wound up there anyways and worked on those navy ships, dangerous...
>>>
>>>I used to work on ships, designing control systems and for a while
>>>going out and maintaining them.
>>>
>>>The steam plants were especially dangerous. A welded pipe joint might
>>>leak an invisible jet that would cut you in half. The crew would test
>>>a  joint  by waving a broomstick around it, and see if the end would
>>>be sliced off and fall to the deck.
>>
>>Sounds bad..
>>I did not like the intense noise in the machine rooms from the diesel engines,
>>and the small doors and gangways you had to 'creep' through.
>
>The steam plants were deafening too, and we had a giant aux diesel
>too. You had to scream directly into someone's ear. People wore
>construction-type helmets with ear pads, but I wore my motorcycle
>helmet.
>
>
>
>>Almost got electrocuted working on a power supply on a heli deck..
>>We had asked for the power to be turned off so we could change some stuff.
>>I opened the (big) box and felt that funny tingling on my nose...
>>to my boss "feels like there still is power"
>> measured it, sure
>>he almost fainted...
>>Guy had turned off the wrong switch..
>>In the next summer vacation I applied for a job in broadcasting and got it.
>>Had designed and build my own portable video camera so knew enough :-)
>>There were 6 of us hired, We then got 6 month training in all things broadcast related... payed for.
>>followed by an exam, 2 dropped out (you have to have a feel for that stuff).
>>2 more dropped out later...
>
>I was tweaking a trimpot to tune a nonlinear function generator and
>got the prop up to 50 RPM, and almost tore the LASH ship off the dock
>into the Mississippi river, and probably would have killed someone.
>The Chief ran over and shut things down.
>
>I once rode a ship from San Francisco to San Pedro, at maybe $100 per
>hour, to diagnose an erratic steam plant. The fix was a quarter turn
>on a screw on a terminal strip. That was from the RPM feedback tach.
>The constant vibration had loosened a lot of screws.
>
>Doing physical stuff is fun. Typing all day, not so much.

There was a nice program about 'Old man river' on TV few days ago, showing how it was discovered 
people looking for the source, the natives and the fights and what it looks like now.
Yesterday I was looking for a nice catamaran for a world tour :-)
For a couple of thousand you have something for the adventurer.
My idea is to put some things like these on top:
 https://tesup.com/nl/tesup-verticale-windturbines-voor-woningen 
then use electric motors, big battery packs.
Then no matter what direction the wind comes from you always have power and can steer in any direction...
Somebody already did that it seems
And solar panels I already have..
Anyways before the nuking here starts, better sail away...
Bit more south maybe a safer place...
Not the first time I had that sail-away plan, but world tensions increase by thr day now.