FISH ROBOTS TO DETECT WATER POLLUTION
British scientists are slated to release into Spanish seas five carp-shaped fish robots which are capable of detecting water pollution.
Built by Essex University researchers, the 1.5-meter-long robots have an eight-hour battery and move like real fish.
They are equipped with chemical sensors which enable them to detect harmful contaminants such as leaks from vessels or underwater pipelines.
Costing $29,000 each, the robots swim at a maximum speed of about one meter per second, do not need remote controlling and transmit information using Wi-Fi technology.
The fish robots will navigate the Bay of Biscay at Gijon in northern Spain as part of a three-year joint project between the engineering consultancy BMT Group and Essex University.
"The hope is that this will prevent potentially hazardous discharges at sea as the leak would undoubtedly get worse over time if not located," AFP quoted Professor Huosheng Hu of Essex University as saying.
If the project is successful, the fish could also be used in rivers, lakes and seas across the world to prevent the spread of pollution.
IS THERE ANY RELATION BETWEEN SUNSPOTS AND EARTHQUAKES
Introduction:
Sun is the only viable source of energy in our solar system. All other types of energy such as wind and fossil based fuels are all resulted from solar energy. Sun is indeed the key, the main source and the ultimate cause of presence and survival of life in the earth. Many environmental phenomena such as rain, tornado and ocean waves are caused by solar energy. Is it possible that earthquakes are also caused by the sun? Observations of the sun surface show a number of dark spots. The number of such spots and their position changes in different months and years.
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