"There are a number of psychoactive drugs that distort people’s sense of time, so you could imagine developing a pill or a liquid that made someone feel like they were serving a 1,000-year sentence," she said.
"If the speed-up were a factor of a million, a millennium of thinking would be accomplished in eight and a half hours... Uploading the mind of a convicted criminal and running it a million times faster than normal would enable the uploaded criminal to serve a 1,000 year sentence in eight-and-a-half hours. This would, obviously, be much cheaper for the taxpayer than extending criminals’ lifespans to enable them to serve 1,000 years in real time."
Thirty years in prison is currently the most severe punishment available in the UK legal system.
"To me, these questions about technology are interesting because they force us to rethink the truisms we currently hold about punishment. When we ask ourselves whether it’s inhumane to inflict a certain technology on someone, we have to make sure it’s not just the unfamiliarity that spooks us," Dr Roache said.
"Is it really OK to lock someone up for the best part of the only life they will ever have, or might it be more humane to tinker with their brains and set them free? When we ask that question, the goal isn’t simply to imagine a bunch of futuristic punishments – the goal is to look at today’s punishments through the lens of the future."