IN a recent paper 1 I derived formulæ expressing the distribution of light in the geometrical focal plane of optical systems of high relative aperture; and, using these formulæ, curves were given ...

20.1 Resolving Rules Issues During Round 20.1b(2)/1 – Request for Ruling Must Be Made in Time A player is entitled to know the status of his or her match at all times or that a ruling request will be ...

Pneumonia that fails to respond to treatment is a common problem. Although quantification of the frequency of this problem is difficult, approximately 15% of pulmonary consultations and 8% of ...

With nearly two decades of retail management and project management experience, Brett Day can simplify complex traditional and Agile project management philosophies and methodologies and can explain ...

Russian Deputy Foreign Minister Sergey Ryabkov has criticized the United States’ (US) attempts to link trade matters to the conflict in Ukraine, calling such efforts unacceptable. In an interview with ...