How long can cyborg cockroaches operate underwater with the new suit?

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Cyborg cockroaches can operate underwater for up to three hours with the new suit.
The flexible “diving suit” developed by researchers from Nanyang Technological University (NTU) and Waseda University enables cyborg cockroaches to survive and move underwater for up to three hours. It does this by supplying oxygen directly to the insects’ respiratory system when they are submerged.
The suit’s core function delivers oxygen to the respiratory system
The suit includes a tiny chemical oxygen-generation tank, a soft waterproof shell, and four silicone tubes that channel oxygen to the cockroach’s spiracles, which are small openings connected to its respiratory system. This design addresses the limitation that cyborg cockroaches cannot breathe when fully submerged, even with infrared cameras, sensors, and electrodes.
Underwater movement has been demonstrated for a maximum of three hours
With the oxygen delivered through the suit’s tubes, the cockroaches can survive and move underwater for up to three hours. The reported duration is the key measure of how long they can operate in flooded or partially submerged conditions.
The system was tested on Madagascar hissing cockroaches
Researchers tested the suit on Madagascar hissing cockroaches, a species commonly used in cyborg insect research because of its size, robustness, and wingless body form. Findings from the tests were published in Nature Communications on June 29.
The team is moving toward disaster-environment trials and future upgrades
The researchers said the suit is now being tested in simulated disaster environments, with plans to improve durability and integrate navigation systems and sensors. Their longer-term work includes enabling cyborg insects to conduct tasks in flooded or confined spaces, such as inspecting pipes and tunnels.

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How long can cyborg cockroaches operate underwater with the new suit?

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