Filter said to Trap flu virus Wins award
Man comes up with Math-based answer
An engineer has employed his mathetical skills to answer a challenge to light the bird flu virus. Electrical engineer Pholsak Piyatat, who has worked in the air filter business for more than eight years, applied his mathematical skills to make an air filter to trap the virus.
"I was challenged by some bank officials whether I could design an air filter to deal with bird flu" said Mr Pholsak.
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