Oliver Heaviside (1988, 2002)
Time Machines (1993, 1999)
The Science of Radio (1996, 2001)
An Imaginary Tale (1998, 2007)
Duelling Idiots (2000, 2002)
When Least Is Best (2004, 2007)
Dr. Euler's Fabulous Formula (2006)
Chases and Escapes (2007)
Digital Dice (2008)
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