By 2025, single-lens magnifying glasses that allow a person to view unicellular microorganisms will be available to consumers for less than US$100 (adjusted for inflation).

Created by NathanMcKnight on 2011-11-11; known in 8 days

• NathanMcKnight estimated 80% on 2011-11-11
• RobertLumley estimated 30% on 2011-11-11
• lavalamp estimated 15% on 2011-11-11
• gwern said “quite a spread of predictions here; could we provide some cites or arguments?” on 2011-11-11
• NathanMcKnight said “Seems to me like a straightforward implication of the Capasso group’s optical research. (http://news.harvard.edu/gazette/story/2011/09/from-a-flat-mirror-designer-light/))” on 2011-11-11
• JoshuaZ estimated 55% on 2011-11-12
• themusicgod1 estimated 53% on 2016-10-09