How the Voyager Golden Records Work

From the 1970s to the early 1990s a patch of land in Hong Kong the size of just a few football fields was the most densely-populated area in the world – and by a longshot. Even more remarkable, it was an outlaw land that somehow formed a tight community.See omnystudio.com/listene ...  Show more

Movies on planes have changed a lot in the last couple of decades. Today, we'll go over how this stuff works. See omnystudio.com/listener for privacy information. 

How much junk can we accumulate in Earth's orbit before we seal off our world? Before we cut the planet off from the cosmos and doom civilization to a new dark age? In this episode, Robert and Julie look skyward to space exploration's garbage.

For many futurists, the long term survival of humanity depends on its ability to become a true interplanetary and even interstellar species. But what is the potential moral cost of such a great technological and cultural leap forward? In this episode of Stuff to Blow Your Mind, R ...  Show more

Given the sheer size of the universe, it's overwhelmingly likely that some form of alien life exists - so where the heck are they? Tune in to learn more.

If you guessed 'gravity' you're right -- but a few specific factors make Jupiter so much moonier than planets like Earth. Learn more in this episode of BrainStuff.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy inf ...  Show more