Don’t robotic fishes sound like a really cool idea? Researchers at the Osaka City University’s Faculty of Engineering have come up with one. The unnamed robo fish is designed to be powered by a solid-polymer fuel cell that is known as the Power Tube. The 10cm long fish moves very realistically.
robot fish1
A joint at the front end not only helps in swimming, but also diving and rising in water. Initially the developers used a motor but later scrapped the idea when they found the power consumption to be 1W. They then replaced the motor with a magnet system that pushed down the number to just 10 milliwatts. The robot intended to be used for rescue work and maritime research in the future can swim for three consecutive days on a single charge.
Via: CrunchGear/Ecofriend
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