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   alt.electronics      Electronics design, repair, worship, etc      7,706 messages   

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   Message 7,079 of 7,706   
   Mark Lloyd to William Gothberg   
   Re: Do switch mode power supplies flicke   
   19 Dec 18 10:21:41   
   
   XPost: alt.home.repair, uk.d-i-y   
   From: not@mail.invalid   
      
   On 12/19/18 6:01 AM, William Gothberg wrote:   
      
   [snip]   
      
   > They probably are fairly crude.  I know they flicker, for example if I   
   > use my cordless drill, the chuck appears to spin the wrong way under the   
   > LED lighting.   
   I remember seeing that with a washing machine (under fluorescent   
   lights). As the tub was slowing down, the row of holes around the tub   
   would appear to reverse direction. Same thing with (spoked) wagon wheels   
   in movies.   
      
   [snip]   
      
   --   
   6 days until the winter celebration (Tue Dec 25, 2018 12:00:00 AM for 1   
   day).   
      
   Mark Lloyd   
   http://notstupid.us/   
      
   "Do not thank God for what man does." [Lemuel K. Washburn, _Is The Bible   
   Worth Reading And Other Essays_, 1911]   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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