I tweeted the following at the time, trying to be sarcastic and cynical: ‘What if there was a material as simple as paper that could change shape based on touc

I tweeted the following at the time, trying to be sarcastic and cynical: ‘What if there was a material as simple as paper that could change shape based on touch? I’m not saying there is. But what if there were?’ I was pretty disappointed to find out that I was right.