Another challenge is protecting the implant in the eye, since it essentially has to sit in a bath of organic liquid.

WSJ: The Quest to Create A Bionic Eye Gets Clearer

Mr Restivo also denied he knew that the liquid he put in his bath to clean his trainers, which police found at his flat five days after the death, was bleach.

BBC: Danilo Restivo

Use liquid from boiling noodles on pot plants and recycle bath wa ter for mopping the floor.

CNN: JAPAN'S DOWNSIZING FABLE