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Robots

illustration of a wireless bioinspired robot

Technology

Corkscrew-shaped microbot could use sound to spiral through human body

Microscopic helical robot travels through narrow tubes when exposed to sound, and could eventually be used to deliver drugs inside of the body by spiralling through its vasculature.

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Insect-size robot can crawl, turn and jump by triggering chemical explosions. Most robots are powered by electric motors and batteries which are tried-and-tested reliable technology but cannot be miniaturised past a certain point. Now Cameron Aubin and Robert Shepherd at Cornell University and colleagues have turned instead to chemical fuel - methane - which can store energy at much higher density than lithium-ion batteries and be scaled down to tiny insect-sized devices.

Technology

Watch a frog-like robot use tiny explosions to hop around

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Technology

Flying bird robot can soar so well it uses almost no power

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A leaf-based version of the robotic gripper

Technology

Robotic gripper made of paper can grab both delicate and heavy things

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The Lego robot

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Lego robot used to make DNA structures for tiny machines more quickly

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Technology

Watch a transforming robot roll, crawl, stand up and fly

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Plumbing service. steel of a heating system in boiler room

Technology

Tentacle robot can bend through pipes and unscrew bolts

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Technology

Ultra-fast boxing robots could be used for real-life fighting game

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Technology

Tiny robot could stop bleeding from inside the body using heat

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Live bug robots

Technology

Scientists want to give robots hands made from living woodlice

Researchers attached pill bugs and chitons to a robot arm to show how creatures might work with machines, but it isn't clear how useful this would be

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Technology

Robotics gets less attention than it should given its potential impact

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Technology

Robotic dog spots invasive fire ant nests better than humans

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Technology

We test real-world robot avatars used in security and nuclear repair

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Technology

Robot injected in the skull spreads its tentacles to monitor the brain

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