Give me a sensor that will detect the Human Head , so that i can use it to detect the human head in a helmet.?

I'm doing a project to detect the human head inside a helmet.

Danware's . You can also get free terminal services software to allow full remote control, such as the excellent VNC.

Biolage has some really great deep conditioners. You use them about once a week and keep them on for about twenty minutes. Keep getting your hair trimmed. The more bad hair you lose, the easier it is to manage.