Research Laboratory at the University of technical teachers by Ba Hai City in 2010 has opened up the classroom to teach programming languages ​​visual graphics for students and those with learning needs. The tuition rate is 1 USD per course.

"Money is important, but my money is not everything," Ba Hai, 29, said. "I want to return to research and science teaching techniques. Level set fee of $ 1 is to avoid the virtual register in the free course".

Number of course participants is about hundred people, of many components of society. There are students who after graduation returned to the same study with Ba Hai.

Nguyen Ba Hai and hats for the blind. Photos provided character.

One of the success of the two studies is the product "The magic hat" for the blind. Wear a hat on, the blinds will feel and avoid obstacles helps them move more easily.

Ba Hai, said hat has gone through seven tests, including laboratory with many obstructions or move outside the practice. Original price of this product is 20 million but now the team has reduced in size for more compact, lower cost to about 5-6 million each.

Looking ahead, 4 hats will be donated to the blind, Thu Duc.

The road to the class of Ba Hai 1 USD began in 2001 when he attended the University of Technical Teachers HCMC. In addition to the main school, he also sells used books, peddling sunglasses and watches for a living.

After receiving a master's scholarship in Korea, Hai Ba passion pursue research and has received three patents in this country. Master thesis of Customs reached a maximum of 100 points.

At age 28, the customs ahead of time Ph.D. specialized biorobotics (biological robots) in Korea to merit the best doctoral theses. He then introduced for the National Institute of Korean cars with $ 5,000 monthly salary to the many invitations from other renowned companies.

But you work in the country is not the dream of Customs. His desire is to be manufactured into products that actually help the community, and a larger study room. He decided to return to Vietnam and that class 1 USD was born.

1 USD of course Nguyen Ba Hai. Photos provided character.

In addition to teaching technique, two founding clubs of the English Universities Technical Teachers. The young man recently married, said people often call him "the ghost" by always leaving the lab late at night, the wife often get up at 2-3am, when he invented any suddenly and took out pen and paper record. "Fortunately, understand and love his wife," Hai said.