XPost: uk.d-i-y, alt.home.repair, alt.sci.physics   
   From: CFKinsey@military.org.jp   
      
   On Sat, 05 Oct 2019 20:33:14 +0100, NY  wrote:   
      
   > "Commander Kinsey"  wrote in message   
   > news:op.z87a1eyjwdg98l@picard.lan...   
   >> On Sat, 05 Oct 2019 19:46:08 +0100, Mark Lloyd  wrote:   
   >>   
   >>> On 10/4/19 2:51 PM, Commander Kinsey wrote:   
   >>>>> bulb (60W equivalent) in a lamp here.   
   >>>>   
   >>>> 60W?  Are you a Klingon and love darkness?  I use 100W and 150W bulbs   
   >>>> only.  And lots of them.  My living room (7 metres by 4 metres) contains   
   >>>> 13 90W bulbs.   
   >>>   
   >>> It also matters if the light source is in the right place, like from   
   >>> behind is good if you're reading or watching TV.   
   >>   
   >> I prefer the whole room to be evenly lit.   
   >>   
   >>> Some people think more light is always better. I remember working behind   
   >>> a TV (26-inch CRT console), where I could see OK. Then someone, trying   
   >>> to be helpful, turned on a nearby wall lamp. The effect of that is that   
   >>> the area behind the TV became completely BLACK.   
   >>   
   >> More light is better if the whole room is lit evenly.  Which is why I   
   >> prefer strip lights to point sources.  Much better if you're soldering for   
   >> example, you don't create shadows, as light can come to the workpiece from   
   >> all angles, no matter where your body/head/hands/tools are.   
   >   
   >   
   > Exactly. It is the use that you are making of the light which governs   
   > whether you want a point source and directional lighting, or a diffuse   
   > light.   
   >   
   > I prefer to read with a light over my shoulder to light the pages of the   
   > book, but with the rest of the room dark enough than I'm not distracted by   
   > everything else around the book. Likewise for watching TV - screen brighter   
   > than ambient light, even if the ambient light isn't reducing screen contrast   
   > by brightening the dark parts of it.   
      
   I always like everything lit in the room, or I doze off.   
      
   > My wife prefers uniform lighting - even if that means you are looking into   
   > the light. When reading in bed, she will turn on the overhead light (single   
   > ceiling rose or lots of GU10 spotlights) which illuminate the rest of the   
   > room and shine right in your face, but leave the pages of the book in   
   > shadow, She believes that reading by over-the-shoulder light, with the book   
   > brighter than the background, strains your eyes.   
      
   That may be true, and why I feel sleepy if I do so.  But then some people read   
   to get to sleep.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)