This is the gateway to

Perceptual Alternatives

originally the the domain of the Sonic Pathfinder and
other Electronic Travel Aids for the Blind, now,
since my retirement, an increasing number of other things!

by Tony Heyes (short cv)

 

My Manningham U3A course
The Physics of the World About Us

 

This page was one of the first pages on the World Wide Web.
Number of visitors since its launch in November 1995 : N

Follow the links to: In my new environment

 

These web pages have been written by Tony Heyes
of Perceptual Alternatives  using     Arachnophilia.
and   IrfanView.
They have been tested using the ubiquitous Internet Explorer
and also with my browser of choice    Firefox icon  Mozilla FireFox.

 

 

 

 

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