Have you ever wondered how humans first left Africa? Looking at a map, it seems impossible that hunter gatherers that need to migrate with their food source decided to go through one of the most vast deserts on the planet toward Europe and Asia. That is the topic of this weeks episode, where Pranjal and Eric talk about how the Sahara used to be more hospitable till not too long ago.
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Intro/Outro by Eric Pierce
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How do we keep our data safe from anyone with an antenna. After all, our sensitive information is sent through radio waves that go everywhere and we have all heard of instances when sensitive information has been hacked. So how can we let ourselves be so vulnerable. That’s the topic of this weeks episode, where Pranjal and Zechariah talk about how messages were encrypted from antiquity to world war 2.
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Intro/Outro by Eric Pierce
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The sun is amazing, after all it give life to everything on earth. But it also has a more dangerous side, especially when it is most active. There are multiple side effects to this activity, one of the most notable is coronal mass ejections, which is what caused the 1859 Carrington Event. That is the topic this week, Pranjal and Eric talk about what happened and why.
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Intro/Outro by Eric Pierce
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Why is there a distinction between sub and supersonic speeds. What really makes things moving quickly enough so special. In this episode, Pranjal and Zechariah talk about the physics behind the effects of moving at this speed and subsequently why we can’t fly at supersonic speeds on commercial airplane, specifically why the Concorde no longer flies.
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Intro/Outro by Eric Pierce
Podcast: Play in new window | Download