Path: ...!Xl.tags.giganews.com!local-1.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Mon, 09 Sep 2024 18:59:10 +0000 From: john larkin Newsgroups: sci.electronics.design Subject: Re: Visualizing Date: Mon, 09 Sep 2024 11:59:44 -0700 Message-ID: <9ahudj5n9n77513c1hr07ftsf7m0tj40u0@4ax.com> References: <6u4mdjt3d32biaavd02a2cfebsgtd5kapa@4ax.com> User-Agent: ForteAgent/8.00.32.1272 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 143 X-Trace: sv3-PShzUgunlmHBq9vIB/gRFJ/UBIKLetdjcGi2G13gsuYgu1Mt5B9NAaXyq8j0FuMkNx2JAwUsS2ebdpi!JRNwpW13SmaT/EXXTmxY7LamWRaQZjOs9lWtVJ/z1hK2rLOJzdG6Wxf+SZoaU1CsujFoNxXmi/Gy!yW5eHqY= X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 8313 On Mon, 09 Sep 2024 06:25:15 GMT, Jan Panteltje wrote: >On a sunny day (Sun, 08 Sep 2024 09:27:13 -0700) it happened john larkin > wrote in : > >>On Sun, 08 Sep 2024 07:02:40 GMT, Jan Panteltje >>wrote: >> >>>On a sunny day (Sat, 07 Sep 2024 07:56:15 -0700) it happened john larkin >>> wrote in : >>> >>>>On Sat, 07 Sep 2024 07:29:56 GMT, Jan Panteltje >>>>wrote: >>>> >>>>>On a sunny day (Fri, 06 Sep 2024 08:59:06 -0700) it happened john larkin >>>>> wrote in : >>>>> >>>>>>On Fri, 06 Sep 2024 11:27:38 -0400, Joe Gwinn >>>>>>wrote: >>>>>> >>>>>>>On Fri, 06 Sep 2024 07:53:46 -0700, john larkin >>>>>>> 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. One could put a wind turbine on a boat and drive a prop in the water. It's just an impedance matching problem.