Interests and Expertise

• Symbolic Computation and Domain-Specific Languages
• Mixed-signal Electronics, Embedded Software
• Autonomous Robotics
• Technology for Education and Learning
• Tangible User Interfaces
• History of Computers and Computation
• Computer Programming Languages for non-traditional STEM students
• Appropriate Technology for developing nations
• User Experience Design, System Design, Product Management
• Visual and written communication, Storytelling

My masters thesis work

• Journal paper (PDF): From turtles to Tangible Programming Bricks: explorations in physical language design
• Tangible Programming Bricks: An approach to making programming accessible to everyone
• Video demonstration: Building a bicycle "speedometer" with just five bricks:

My Resume

• In PDF format last updated December 2014 (includes list of publications)

What I was up to in 2015 (still applies)

• Working on Ascent Technology's SmartAirport software
• Playing bass guitar in Rakiya, an "Electric Gypsy" Balkan folk dance band.
• Studying Iyengar Yoga
• Israeli Dancing

What I was up to in 2013

What I was up to in 2006

• Designing and providing project leadership for an interactive exhibit commemorating the 35th anniversary of the world's first customer-programmable microprocessor, the Intel 4004 on November 15, 2006. See the 4004 history project web site for more information.
• Working with Design that Matters on an inexpensive microfilm projector for a literacy program in Mali.
• Working with Fred Martin on Handy Cricket accessories.

Interactive Exhibit Technology

• The metaField: a room-sized interactive space (in collaboration with artist Bill Keays)

Some visualization work from years ago

• 3D String Graphs of railroad timetables