‘What’s happening, Cube?’ spluttered Spiro. ‘You said that we’d all be wiped from the tapes.’
‘I lied. It must be the criminal personality I’m developing.’
Spiro smashed the Cube against the floor. It remained intact.
‘Tough polymer,’ said Artemis, picking up the microcomputer. ‘Almost unbreakable.’

The Eternity Code, Chapter 10