“Salt water and sunlight can yield food and clean water in a self-sustaining cycle. … One cubic metre of fog can contain up to 0.5 grams of liquid water, and harvesting it is relatively easy.” (

Ingenious careers in aquatic abstraction: sea sweating and fog wringing.


Glass “made from niobium oxide, which darkens when exposed to current,” and coated with “nanoscale crystals of indium tin oxide” which absorb heat-producing radiation when exposed to current, allows electrical control of the light and heat transparency of windows. (

Electrified windows won’t have a fingerprint problem either.