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Interesting Things with JC: Daily Summaries Delivered
by JC
Interesting Things with JC is a podcast mini series, with highlight on some of the more interesting historical stories, current events as well as under-told stories.
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The most recent episodes — sign up to get AI-powered summaries of each one.
- 2 weeks ago2 min
1656: "Antimatter Propulsion"
Interesting Things with JC #1656: "Antimatter Propulsion" – Antimatter destroys normal matter on contact and converts mass directly into energy, but the fuel powerful enough to push spacecraft toward light speed cannot touch any container around it. Scientists can make positrons and antiprotons, but only in tiny amounts, while magnetic fields must hold the fuel away from everything else.
- 2 weeks ago2 min
1655: "Particles Live Longer in Accelerators"
Interesting Things with JC #1655: "Particles Live Longer in Accelerators" – A muon forms high above Earth and should decay before reaching the ground, but many survive the trip as their internal clocks slow near light speed; particle accelerators use the same effect to study unstable particles before they vanish
- 2 weeks ago2 min
1654: "Fusion Propulsion"
Interesting Things with JC #1654: "Fusion Propulsion" – A spacecraft engine tries to push plasma at hundreds of kilometers per second while no normal material can touch the fuel. Fusion promises travel times chemical rockets cannot match, but the reaction has to be held hotter than the Sun’s core.
- 3 weeks ago2 min
1653: "The Sugar Industry and the Scientists"
Interesting Things with JC #1653: "The Sugar Industry and the Scientists" – Harvard researchers published papers that downplayed sugar’s possible link to heart disease while sugar industry funding stayed undisclosed, and the blame shifted toward saturated fat as low-fat foods spread across American diets.
- 3 weeks ago2 min
1652: "Facebook’s Emotional Contagion Experiment"
Interesting Things with JC #1652: "Facebook’s Emotional Contagion Experiment" – Facebook changed the News Feeds of nearly 690,000 users to test whether emotions could spread online without telling them first, and the users’ own posts shifted after the feed was altered.
- 3 weeks ago2 min
1651: "The NERVA Program"
Interesting Things with JC #1651: "The NERVA Program" – A rocket engine fires in the Nevada desert without burning fuel the normal way, and a uranium reactor heats liquid hydrogen until it blasts through the nozzle; the tests work, the engine restarts, but the Mars rocket never leaves Earth.
- 3 weeks ago2 min
1650: "Ion Drives"
Interesting Things with JC #1650: "Ion Drives" – An engine produces less force than a postcard weighs, yet it keeps pushing a spacecraft across billions of miles of space; chemical rockets burn hard and stop quickly, while ion drives keep accelerating atoms through a vacuum long after the violent launch is over.
- 3 weeks ago6 min
1649: "Ernst Stuhlinger"
Interesting Things with JC #1649: "Ernst Stuhlinger" – A NASA engineer answers a nun asking why Mars missions matter while people are starving on Earth, and the answer comes from a former V-2 rocket scientist whose later work moves spaceflight away from explosive force and toward ion propulsion that pushes for years.
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About Interesting Things with JC
Interesting Things with JC is a podcast mini series, with highlight on some of the more interesting historical stories, current events as well as under-told stories.
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