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 Workbook vs. Worksheet. In Microsoft Excel, a workbook is simply an Excel file that stores entered related data. Workbooks are capable of holding an almost infinite number of worksheets, depending on the size and the relevance of the data. It is, essentially, a book filled with the data from multiple worksheets.