“That by 2020 it will be possible and desirable for urban houses to have a room in the house designed for, and dedicated to, producing a household's entire water supply. This will be achievable through condensation (a terarium effect) and using solar pane

Created by gwern on 2010-07-30; known on 2020-01-01; judged wrong by Bruno Parga on 2020-01-01.

• gwern estimated 20% on 2010-07-30
• gwern said “http://www.longbets.org/164” on 2010-07-30
• gwern said “Urban houses use a lot of water.” on 2010-07-30
• themusicgod1 estimated 3% on 2016-10-06
• Athrithalix estimated 2% on 2018-02-22
• pranomostro estimated 2% on 2019-01-14
• Baeboo estimated 1% on 2019-01-15
• Bruno Parga   judged this prediction wrong on 2020-01-01.