- The 3D-printed coffin-like pod is filled with nitrogen, quickly bringing oxygen down from 21 per cent to only 1 per cent in about 30 seconds.
- “The person will climb into the machine, they will be asked three questions and they will answer verbally – ‘Who are you?’, ‘Where are you?’ and ‘Do you know what happens if you press the button?’
- “And if they answer those questions verbally, the software then switches the power on so that the button can then be pressed.”
