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274 – The Shuttle’s Achievements for Space Exploration



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(average: 4.62)
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This episode is a continuation of the two previous episodes (132, 133) with Davide on the Space Shuttle. Based on his new, second book we talk about the contributions the Space Shuttle made to space exploration in general. These include advances in space suits, the construction of the ISS, satellite servicing, its use as a science platform as well as military operations.

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258 – The History and Technology of Spy Satellites

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(average: 4.74)
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In this episode we speak with David Baker, who wrote a fascinating book about spy satellites. We cover the political and military context that drove their development, their (known and suspected) capabilities, methods of recovering the images, as well as typical orbits and the sartellites’ ability to change that orbit for quick repositioning.

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247 – Bulk Metallic Glass



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(average: 4.77)
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Dr. Douglas Hofmann works as a scientist in the Metallurgy Lab at NASA’s Jet Propulsion Laboratory. I visited Doug during my US trip earlier this year, and we chatted about metallic glass. In particular, we discussed its properties, how to create it in bulk, how to test its properties, as well as how and why it is interesting for use in space.

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242 – Satellite Testing at ESTEC

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This is the last episode recorded during my visit to ESA‘s ESTEC last fall. I get a tour of the Test Centre with the head of the section, Mark Wagner. We discuss the various test stands and facilities, including the thermal vacuum facility, the large space simulator, the thermal vacuum chamber, the vibration facilities, electromagnetic testing and acoustic testing.

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241 – Electric Propulsion of Spacecraft

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(average: 4.65)
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During my visit to ESA‘s ESTEC last fall, I talked to Jose Gonzalez del Amo, who is the head of the Electric Propulsion Lab. We discussed the basics of electric propulsion, the pros and cons compared to chemical engines, different engine styles and their use cases, as well as the work ESA performs in the lab.

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