It is our strength – your strength and mine – that we learn from our experiences. But this can also be our weakness: we are both blessed and cursed when we pick up a tracing brush.

Blessed – because we already know to grip it like a pen.

Cursed – because we expect it to function like a pen.

And it doesn’t.

Or so I thought until I learned about the pens which astronauts use to write in zero-gravity space: I’ve just discovered a helpful similarity …