Stylish Helmet becomes invisible

The same time to go bike helmet is required . Throng the streets cycling helmets are to be regarded as one .
It is different because some people do not like it and to take the helmet off his head of hair styling gets worse
To overcome the problem of security and style of two students in Sweden have designed a helmet that will invisible .
Yes , when Anna Hopt and terrace Alstin 2005 when he was doing his studies started to work on this idea .
The helmet is actually a set of air bag works . The helium gas is used . Jtka sudden injury to the sensor instantly detects and opens it as a helmet .
The helmet is designed especially for bicycle riders .
Many bike riders prefer to stylish helmet so they did not lack in style .