What about brake fluid which is said to be incompressible. When I push down the brake pedal, the master cylindre pushes the brake liquid inside the hoses which tightens the brakes immediately? So what is the speed of propagation in this scenario if it cannot be faster than c even though brake fluid seems incompressible?
Professor Brian DeMarco received his B.A. in physics, with a mathematics minor, from the State University of New York at Geneseo in 1996, graduating summa cum laude. As an undergraduate researcher, he worked on calibrating and developing neutron detectors for laser driven inertial confinement fusion experiments at the Lab for Laser Energetics.
He earned a Ph.D. in physics from the University of Colorado at Boulder (2001), where he extended magnetic trapping and evaporative cooling techniques to create the first quantum degenerate Fermi gas of atoms. This achievement merited Science magazine's imprimatur as one of the top ten scientific discoveries of 1999 and earned DeMarco the first JILA Scientific Achievement Award. In 2002, he received the American Physical Society's Division of Atomic, Molecular, and Optical Physics Thesis Award.
From 2001-2003, he was a National Research Council postdoctoral research fellow, working with David Wineland at the National Institute of Standards and Technology (Boulder) on quantum computing experiments with trapped atomic ions. DeMarco's work with the Ion Storage Group focused on developing improved quantum logic elements and "scaling-up" the complexity of quantum information processing tasks with trapped ions.
Professor DeMarco joined the Department of Physics at Illinois in August 2003. In October 2005, he was among 18 young physics researchers selected as finalists in a global competition to participate in Amazing Light: Visions for Discovery, an international symposium focused on exploring and advancing innovative research in physics and astronomy inspired by, and honoring the leadership and vision of, Charles Townes, winner of the 1964 Nobel Prize in physics. The symposium brought together renowned scholars and researchers, including 20 Nobel laureates, to explore the extraordinary challenges of 21st Century physics and cosmology. DeMarco won first place in the Quantum Physics category for his research aimed at realizing quantum simulation using atoms trapped in an optical lattice.
Prof. DeMarco is the recipient of an NSF CAREER award, ONR Young Investigator award, and a Sloan Foundation Fellowship.
Prof. DeMarco currently serves on the DAMOP Executive Committee, the review panel for NRC postdoctoral fellowships, and the National Academy of Science's Committee on Atomic, Molecular, and Optical Physics (CAMOS).
329 Loomis Laboratory
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