What is a Pulsar by Cihan News Agency (CNA). An international team of astronomers has used X-ray telescopes in space and ground-based telescopes, including two of CSIRO's, to identify a. that switches between emitting X-rays and emitting radio waves.
The Panasonic Toughbook CF-53 is a beefy laptop with a rugged design that goes from the street to the office and out to the field without breaking a sweat.
Protected Workbooks. Excel gives users the option of protecting the contents of an entire workbook, a worksheet within the workbook and specific cells in a worksheet. When the actions that you are attempting to perform in a worksheet apply to a protected cell or sheet, you will see grayed-out menus.