Students invent air cleaning bicycle
The students say the device is capable of absorbing most pollutants in the air
The three friends from Thang Long Gifted High School in Da Lat city spent six months on experimentation before finalising the design.
The device, which is installed on the handlebar, has an air filter and a battery. The filter uses three layers of cotton and activated carbon fabric to capture the dust.
The filter is linked to small fans installed on both sides of the front wheel, which are connected to the existing dynamo on the bike.
They blow the clean air into the cyclist's face, as well as charge the battery on which the filter runs.
Test results have shown that the device could filter up to 86% of dust and 63% of nitrogen oxide, according to local environmental authorities.
Pham Gia Sam, a physics teacher at the school, is confident it's a reliable result that has been reached through many tests at different locations in the city.
The student trio who won second prize at this academic year's national technical and scientific competition for high school students, is determined to continue work on improving the gadget in order to maximise its impact.
"In the near future, we will manufacture such filters for electric bikes, which would contribute towards protecting people's health and the environment," student Cao Thị Khanh Hoa said.
And to keep manufacturing costs low, the students have used recyclable materials.
VNF
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