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Archives: Portfolio

A portfolio type for featuring items in your portfolio.

A sense of wonder

Portfolio 1

Some “Wow!” moments from my life around computers

Small Blue Planet

Portfolio 3

The impact of Apollo 8 on our planetary self-image

Courvoisier’s spiral slide rule

Portfolio 5

A neat solution to the turn problem

My take on the Marble Run concept

Portfolio 7

Fun to build, fun to play with!

You did WHAT on a Commodore 64?!

Portfolio 9

Oh, yes, I sure did.

A new mathematical robot

Portfolio 11

ENIAC, in real time!

Building a Roubo Workbench

Portfolio 13

A woodworker’s rite of passage

Blue Velvet

Portfolio 15

The lovely Adix calculator

The Fractal Bug

Portfolio 17

A fascination – and a free fractal generator

Sabatini’s magnificent calculator

Portfolio 19

Even Mussolini was impressed!

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