Re: [Phys-l] Sun's image due to reflecton by not a pinhole.

[Hugh Haskell <hhaskell@mindspring.com>]

At 17:53 -0400 04/30/2009, chuck britton wrote:
> This would be for a pin-hole with a 4 inch diameter??
Big pin, but not too big if the scale is appropriate. A movie theatre 
that we go to frequently has a rather small lobby with the doors to 
the seating area just opposite to the entrance doors from the 
outside. When we are there during daylight (usually in the summer), 
the inside of the theatre acts like a camera obscura, and if someone 
leaves the doors to the seating area open, one can see (upside down 
and backwards) images of the cars passing by on the street.

Hugh
--
Hugh Haskell
mailto:hugh@ieer.org
mailto:hhaskell@mindspring,.com

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