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.

fish robot

Friday, March 20, 2009

EFFECTS ON TEMPERATURE ON HUMAN MOTIONS

Introduction:
Climatic factors such as temperature, rainfall, snowfall, cloudiness and winds have a significant impact on many aspects of the nation's economy as well as human health and the quality of life. For farmers and many other businesses, weather conditions affects their production, sales and income. When it is too cold or too hot, many people prefer to stay at home and that affects many businesses.

While the effect of weather in businesses and economy is clear, we are wondering how does weather affect human emotions and feelings? This subject is important because our emotions affect our thinking and decision making.
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