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.
Excel 2010: Protecting Excel Workbooks. In Excel, you can protect the entire workbook, specific worksheet, or just specific cells within a worksheet. The workbook is the entire file. The Worksheets are the tabs within the workbooks and the cells are the data is entered.