This episode covers Wolfram|Alpha, Wolfram's computational knowledge engine and the backend of Siri. Our guest is Michael Trott, the chief scientist of Wolfram|Alpha. In the episode we discuss how Wolfram|Alpha works, including aspects of language processing, ontologies and semantics as well as presentation of results to the user.Wolfram|Alpha Blog...

This episode covers my flights in CAE's Dassault Falcon 50 simulator at CAE's Dallas/Ft. Worth Training Center. In the episode we first talk to the head of business aviation operations about CAE's flight training branch in general. The main part of the episode covers my three short flights in the Falcon 50 simulator with my flight instructor Paul Gilbert....

This episode is about chaos, or more specifically non-linear dynamics and sensitive dependency on initial conditions. We talk to Harry Swinney and Michael Marder, both from UT Austin's Center for Nonlinear Dynamics. We discuss the basics of chaos, the kinds of systems that exhibit chaotic behavior, fractals, the phase space and the strange attractor....

In this episode we talk about extra-vehicular activities, also known as spacewalking, with former astronaut Tom Jones. In the episode we cover the underwater training in the Neutral Buoyancy Lab, we talk about the preparation of the space walk in the shuttle, and of course we discuss the spacewalking itself. In particular, we talk about Tom's participation...

This episode is a conversation with Mitchell Pavao-Zuckerman about Biosphere 2. In the episode we discuss Biosphere 2 itself, its history and the missions that have been run there. We then discuss today's research at Biosphere 2: among others, this includes the Landscape Evolution Observatory and the Green Roofs project.Biosphere 2Biosphere (WP)Closed...

This is the first of two episodes recorded at the Planetary Science Institute in Tucson, Arizona. This episode has two interviews. The first one, with Mark Sykes, the director of PSI, is about the PSI and planetary science in general. The second interview is with Beatrice Mueller about her research area, comets.Planetary Science InstituteInternational...