A small but growing number of homeowners are choosing to build energy-efficient “panelized” homes that are pre-made in a factory.

One couple shared on YouTube exactly how they kept the lights on at their off-grid farm in Portugal during widespread blackouts.

Every second, machines like drones, smartphones, and self-driving cars capture floods of visual data. But turning this data into meaning—like recognizing a red light or reading a sign—takes massive ...

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