Any secondary school physics teacher in Hong Kong can become a member of Physics World. The application should upload some questions for sharing in the Physics World. The procedure is as follows:

1. Download the application form.
2. Print out and fill in the form, obtain your school chop. Then fax the completed form to the Physics World Working Group, Department of Physics, CUHK at 2603 5204.
3. Wait for our reply. We will confirm your username and password through e-mail.
4. The Question bank and the Teachers' forum are now open to you. Login and post messages with your username and enter our world of sharing.