When I retired from the University in 1999, I noticed
that I was getting a lot of page-views on one of the course
websites that I had taught, even though I was no longer
teaching that course. Most of the interest was directed to a lab
experiment in digital data processing. I was getting an
increasing number of emails with questions, suggestions, and
comments from people in widely varied scientific fields from all
over the world. This encouraged me to broaden this material
beyond chemistry and my specific course and to make this a
long-term retirement project. My aim is to help science workers
learn and apply computer-based mathematical data processing
techniques, by producing free tutorial materials that explains
things intuitively rather than in mathematical formality, with
coding examples, practical software, and guidance/consulting on
specific projects.
This has developed into a very popular Web-based tutorial and a handbook of signal processing. The book is available in paperback format from Amazon and in a free PDF version. Described as 'the best document on signal processing' and 'a goldmine' of practical, clear, and comprehensive explanations, this handbook has been praised for its unparalleled clarity and extensive resources. Users highlight its invaluable contribution to both education and research, often calling it a 'phenomenal' and 'indispensable' tool that has significantly enhanced their understanding and work in the field. Click for verbatim reader reviews.
To support this, I also developed a free toolkit of
software programs for signal processing
for science researchers and students that has been lavishly praised.
My data processing website has now been viewed over two million
times from 206 countries and has been cited in
over 750
published papers, theses, and patents.The development of the
project is described on "How this site came to be".
When my wife and I retired in 1999, we thought that it would be a
good active retirement hobby to landscape our back woods into an
ornamental woodland garden. This is the story of that
25-year project.
I have been giving some presentations for the Rockville Science
Center, both in person and via Zoom.
1. From Telegraph Cables to
Artificial Intelligence: Unlocking the Power of Data
Zoom PDF format |
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2. Making
Waves: The basic math of sound and music. In person PowerPoint format |
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3. (Later this year) The Professor's
Garden: The hidden science and mathematics behind
nature's beauty PDF format |
In the early 2000s and 2010s, my wife and I developed and
presented a series of workshops for teachers on the
applications of educational technology, which we presented a a
number of middle schools in Montgomery County, Maryland. We also
taught several Adult
Education Courses on technology-related topics, including
digital photography, digital sound, and basic PC maintenance. The
latter were sponsored by the Collier County Public Schools and
taught in Naples, FL, where we have spent the winter since
retirement in 1999.