What We Are Reading Today: Laminar Flow Theory

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Updated 29 December 2022
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What We Are Reading Today: Laminar Flow Theory

Author: P.A. Lagerstrom 

Fluid mechanics is one of the greatest accomplishments of classical physics. The Navier-Stokes equations, first derived in the 18th century, serve as an accurate mathematical model with which to describe the flow of a broad class of real fluids. 

Not only is the subject of interest to mathematicians and physicists, but it is also indispensable to mechanical, aeronautical, and chemical engineers, who have to apply the equations to real-world examples, such as the flow of air around an aircraft wing or the motion of liquid droplets in a suspension.


What We Are Reading Today: Invisible Hands by Margaret S. Graves

Updated 14 February 2026
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What We Are Reading Today: Invisible Hands by Margaret S. Graves

In the heyday of Islamic art collecting around the turn of the 20th century, thousands of premodern ceramic objects circulated on the international antiquities market. 

“Invisible Hands” tells the story of how traditional craft skills of the Islamic world, often thought to have died out with the advent of industrialization, were redirected toward a thriving new market in the colonial era: the fabrication and fictionalizing of antiquities, especially ceramics.

In this stunning work of art history, Margaret Graves shakes the foundations of the discipline, challenging us to reconsider what is and is not art.