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How does the vacuum interact with light? Is it possible to use light to create something from nothing? And is "birefringence" a real word? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

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How did the scattered disk of the solar system form? What kins of strange objects roam those badlands? And what does it do to the rest of the solar system? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

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What is frame dragging? How do we measure it? And how can we turn this into a method for extracting energy from rotating black holes? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

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