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The events are free and designed to engage the public in astronomy and to give everyone an opportunity to view the night sky through a telescope.

Professor Gregg Hallinan gives a preview of his upcoming Watson Lecture.

For a brief instant after the Big Bang, the universe flew apart at speeds faster than light; the gravitational waves from this expansion sowed the seeds of galaxies. Caltech professor Jamie Bock is hunting for an echo of these waves in the cosmic microwave background.

David Hsieh, an assistant professor of physics at Caltech, is searching for new forms of matter that exhibit weird quantum properties in bulk. Find out the why, where, and how at 8 p.m. on Wednesday, October 15, in Caltech's Beckman Auditorium. Admission is free.

On March 20, 2014, Jamie Bock will give a talk on the BICEP2 experiment and its recent detection of B-mode polarization indicating the effect of gravitational waves on the cosmic microwave background.

The Nuclear Spectroscopic Telescope Array, or NuSTAR, sees the high-energy X-rays emitted by the densest, hottest regions of the universe. Professor Harrison will describe NuSTAR's unlikely journey and share some of its remarkable results.

Richard S. Ellis, the Steele Family Professor of Astronomy, is on the verge of seeing as far back as it is possible to see—not quite back to the dawn of time itself but to the dawn of the first galaxies. He describes the journey at 8 p.m. on Wednesday, October 16, in Caltech's Beckman Auditorium. Admission is free.

John Preskill, the Richard P. Feynman Professor of Theoretical Physics, is hooked on quanta.

John Preskill, the Richard P. Feynman Professor of Theoretical Physics, is himself deeply entangled in the quantum world. Different rules apply there, and objects that obey them are now being made in our world, as he explains at 8:00 p.m. on Wednesday, April 3, 2013, in Caltech's Beckman Auditorium. Admission is free.

Professor of Physics Harvey Newman has been searching for signs of dark matter, extra dimensions, and the elusive Higgs particle at the Large Hadron Collider in Geneva, Switzerland. He'll be reporting from the high-energy frontier of particle physics at 8:00 p.m. on Wednesday, January 9, 2013, in Caltech's Beckman Auditorium. Admission is free.