Time is something with which we have tremendous experience, but a detailed and scientific definition of time and how it works eludes even the most educated of minds. In this video, Fermilab’s Dr. Don introduces some of the ways in which time remains puzzling.
Time dilation:
• Relativity: how people get time dilation w…
Twin paradox (with math):
• Twin paradox: the real explanation
Twin paradox (without math):
• Twin paradox: the real explanation (no math)
Jess and Rob present a brief history of time words in an episode filled with chronological etymology.
⌚️ How did “seconds” get their name?
🕰️ What does “clock” literally mean?
🇫🇷 How did France’s decimal calendar work?
These questions answered – and so many more – in this timely episode of Words Unravelled.
Our mythology episode: • What mystery did the original “clue” solve…
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You’ve probably heard that urine is sterile. And we’re only just learning that’s not true. Understanding the urinary microbiome could help us find new ways to treat kidney stones, UTIs, and even bladder cancer.
How does lightning actually work? Neil deGrasse Tyson and Chuck Nice get corrected on how lightning works after having gotten it wrong with lightning expert Amir Rizk. Learn about the anatomy of a lightning strike, what not to do during a lightning storm, and more.
Timestamps:
00:00 – Introduction: Neil Getting Lightning Wrong
02:09 – Neil’s Incorrect Explanation
03:36 – Grounding Charges
04:48 – When Lightning Comes from the Ground
06:16 – What Happens in the Clouds
09:48 – Lightning Hitting The Tallest Object
12:23 – Anatomy of a Lightning Strike
16:44 – Closing