Robots come in a vast array of shapes and sizes. By definition, they're machines that perform automatic tasks and can be operated by humans, but sometimes work autonomously—without human help.

Forbes contributors publish independent expert analyses and insights. Dr. Jonathan Reichental covers technology in business and society. Toy versions of the popular droids R2-D2 and BB-8, part of the ...

In 1982, personal computers were beige, boxy, and built for engineers. They were powerful, but uninviting. Few people knew what they were for, or why they might need one. It took more than just better ...

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We humans have mastered fire, split the atom, and shot ourselves into space. We've built machines that can outthink us and tools that can cook us lunch or cut open our chests to perform life-saving ...