Northwestern University

Feb
8
Fri 4:00 PM

Colloquium: Sidney Nagel: Impact and intrusion: patterns, structure and the texture of our world

When: Friday, February 8, 2019
4:00 PM - 5:00 PM  

Where: Technological Institute, L211, 2145 Sheridan Road, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Public - Post Docs/Docs - Graduate Students

Contact: Yassaman   847.491.7650

Group: Physics and Astronomy Colloquia

Category: Academic

Description:

Examine closely the world around you and many things that you take for granted are astonishing. Take, for example, a simple drop of liquid changing its topology as it breaks into pieces. This is an example of a singularity where physical quantities, such as the pressure, diverge at the instant of breakup. Another example is when this drop, having become untethered, falls onto a surface: if the surface is cool and dry, the drop likely will splash; if the surface is hot, however, the drop simply hovers and never touches down. Consider again: when a liquid is compressed between two smooth surfaces, it forms an expected circular disk; but when the plates are separated, quite a different pattern emerges. This is a form of dilation symmetry caused by the penetration of space. It is all around and within us. In this talk, I will emphasize the surprises and elegance of how nature arranges the texture of our lives.

 

Seminar Speaker:  Sidney Nagel, U Chicago

Host: Driscoll

Keywords: Physics, Astronomy, Seminar, Colloquium

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