computer building? was[rescue] Noise levels

[Joshua D Boyd]

On Mon, Jun 24, 2002 at 10:48:20AM -0400, George Adkins wrote:
> > > less in power and they never need to change lightbulbs.
> >
> > Yeah we've had that over here for a couple of years in the US.  Really
> > grabbed my attention when they first started doing it.  Some of the
> > designs they used before were not visible until you were right up on the
> > light which made driving pretty precarious.  
> 
> Heh, then you'll just looove this...
> Several places in the Washington DC metropolitan area have traffic lights 
> equipped with lenses which _deliberately_ make it impossible to see what 
> color the light is until you are within 150 feet (~50m) or so of them.

Why? 

-- 
Joshua D. Boyd