Results from Wind-Tunnel Investigations; Theoretical Foundations. By Dr. Friedrich Wilhelm Riegels. Translated from the German by D. G. Randall. Pp. xi + 281. (London: Butterworth and Co ...

Visio in Microsoft 365 is a superb tool for creating custom diagrams to illustrate concepts that are difficult to explain through text. Here’s how to use it. It’s often much easier to convey ...