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This test consists of 15 multiple choice questions and 5 short answer questions.

## Multiple Choice Questions

**1. When did Mitchell Feigenbaum meet Michael Barnsley at a conference in Corsica?**
**(a)** 1973. **(b)** 1979. **(c)** 1967. **(d)** 1982.

**2. What occurs at higher velocities where eddies or small packets of fluid particles form leading to lateral mixing?**
**(a)** Turbulent flow. **(b)** Chaos theory. **(c)** Theoretical physics. **(d)** Momentum diffusion.

**3. When was Albert Libchaber born?**
**(a)** 1916. **(b)** 1934. **(c)** 1922. **(d)** 1927.

**4. If a system is in what state, then the recently observed behavior of the system will continue into the future?**
**(a)** Steady. **(b)** Reactive. **(c)** Unstable. **(d)** Changing.

**5. Albert Libchaber's results in his work with helium paralleled what equation that relates the pressure, viscosity, velocity, density of a fluid?**
**(a)** The Navier-Stokes equation. **(b)** Bifurcation theory. **(c)** Chaos theory. **(d)** Cosmic arrhythmias.

**6. Where did Albert Libchaber earn a M.S. degree in physics?**
**(a)** The University of Illinois. **(b)** The University of Bonn. **(c)** The Ecole Normale Supérieure. **(d)** The University of Chicago.

**7. When was Mitchell Feigenbaum offered a post at the Los Alamos National Laboratory in New Mexico to study turbulence in fluids?**
**(a)** 1973. **(b)** 1974. **(c)** 1976. **(d)** 1977.

**8. Who is attributed with the following quote from Chapter 6, "Universality": "The iterating of these lines brings gold; the framing of this circle on the ground brings whirlwinds, tempests, thunder and lightning"?**
**(a)** Johann Wolfgang von Goethe. **(b)** Mitchell Feigenbaum. **(c)** Dr. Faustus. **(d)** Lewis F. Richardson.

**9. What is the atomic number of helium?**
**(a)** 7. **(b)** 2. **(c)** 14. **(d)** 21.

**10. What will drain rapidly from large-scale motions to small-scale motions?**
**(a)** Fractal. **(b)** Energy. **(c)** Viscosity. **(d)** Turbulence.

**11. What science deals with the visible, orderly outcomes of self-organization and the common principles behind similar patterns?**
**(a)** Theoretical physics. **(b)** Thermodynamics. **(c)** Pattern formation. **(d)** Fluid dynamics.

**12. In fluid dynamics, what consists of a viscous fluid confined in the gap between two rotating cylinders?**
**(a)** Laminar flow. **(b)** The Taylor-Couette flow. **(c)** Bifurcation cascade. **(d)** Turbulent flow.

**13. At what institution did Albert Libchaber become a professor of physics in 1991?**
**(a)** The Massachusetts Institute of Technology. **(b)** Caltech. **(c)** Princeton University. **(d)** Harvard University.

**14. What is a lossy compression method for digital images based on fractals?**
**(a)** Information theory. **(b)** Fractal compression. **(c)** Period doubling bifurcation. **(d)** Cosmic arrhythmias.

**15. When did Albert Libchaber win the Wolf Prize in Physics?**
**(a)** 1955. **(b)** 1952. **(c)** 1971. **(d)** 1986.

## Short Answer Questions

**1.** What is the most abundant element in the universe?

**2.** When did Albert Libchaber join the faculty at The Rockefeller University?

**3.** What is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress?

**4.** Where was Heinz-Otto Peitgen born?

**5.** What book did Michael Barnsley publish in 1988?

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