This is the first book to present the principles of operation of both the Paul and Penning ion traps - powerful experimental devices in which charged particles can be confined indefinitely in a small region of space so that experiments may be performed on them. This new and exciting method has applications not only in atomic physics, frequency standards, and collisional studies, but also in analytical mass spectrometry, making this book highly relevant not only to physicists but also to chemists. Written by a leading authority in the field, it is unique in bringing together detailed...

Sexual harassment, often known as eve teasing, is a regular occurrence for the women and girls of Bangladesh. Harassment can take a variety of forms and the perpetrators come from multiple walks of life, they are rich and poor, educated and uneducated, teenage boys, rickshaw pullers, bus drivers, street vendors, traffic police and often supervisors or colleagues of the working women. The study was conducted on 120 respondents through survey method. Data were collected from May 2011. The survey collected self-reported data on sexual harassment of 120 girls aged 13-19 years selected randomly....