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Fermi Paradox Great Filters: Rare Intelligence

We conclude our look at possible explanations why life may be very rare in the Universe by looking at the evolutionary pathway to intelligence and the hurdles between life...
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Outward Bound: Colonizing Mars

We begin the new Outward Bound series by discussing the Colonization of Mars, and survey all the colonizing and terraforming options from the early settlement days to the far...
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Quiet Revolution: Technologies that will change the World

Many technologies are great anticipated and predicted, and promise to change our lives. Today we will be looking at some that get less fanfare, but hold the promise to...
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Hidden Aliens

It is often suggested that the reason we don't hear from alien civilizations is that they are in hiding. In this episode, we will explore that notion, and examine...
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Force Fields

Force fields are a staple of science fiction, but usually regarded as only science fiction, not science fact. Today we'll examine the notion and see what options we might...
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Fermi Paradox Great Filters: Rare Earth

We continue our look at possible explanations why life may be very rare in the Universe by examining our planet itself, and looking at which of its characteristic might...
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Civilizations at the End of Time: Iron Stars

Use my link http://www.audible.com/isaac and get a free audio book with a 30 day trial! In the previous episode we saw how civilizations might not simply survive after all the...
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Megastructures 1.1: Dyson Spheres

We return to the Megastructures series to examine the the concept of a Dyson Sphere, a means of enclosing a star to gather all of it energy. We will...
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Orbital Rings

The Orbital Ring is a type of launch-assist system that goes beyond moving small ships and crews into space and allows cheap movement of bulk cargo up to space,...
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SFIA 100k Subscribers Special

Today the channel has reached 100,000 subscribers and to celebrate that we'll take a look back at the channel's origins and thank some of the folks who've helped the...