Brittle Stars Could Teach Robots To See With Their Skin

Brittle stars, unlike their sea star relatives, lack eyes but can still perceive light through their skin using a process called extraocular photoreception. This ability is facilitated by light-sensitive proteins called opsins, which interact with nerves in their skin. Recent studies have debunked the idea that their skin functions like a compound eye, instead highlighting the role of opsins. This discovery has potential applications in robotics, where machines could be designed to see without centralized control systems, allowing for more resilient and adaptable technology.

What are the main differences between brittle stars and sea stars?

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What is extraocular photo reception and how does it relate to brittle stars?

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What recent discoveries have scientists made about the light-sensitive proteins in brittle stars?

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How do brittle stars perceive light without eyes?

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In what ways could the study of brittle stars influence the design of robots?

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