XPost: alt.home.repair, uk.d-i-y   
   From: daniel47@eternal-september.org   
      
   Mark Lloyd wrote on 20/12/2018 3:21 AM:   
   > 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.   
   > ... and, in real life, the Mag wheels of some cars seem to be spinning   
   backwards, dependant on the speed at which the car is travelling!!   
      
   --   
   Daniel   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)