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
We’re hearing a lot more about the Panama Canal lately regarding some presidential statements over whether the US should control it. But with cargo shipping at an all time high and still climbing, the Canal is more important than ever, and it’s also at it’s limits. For this reason there’s not just one but two new Central American canals in the works that could both speed up shipping and shift the balance of power in the world.
The Lithium-ion battery recycling industry is projected to be worth more than $50 BILLION per year by 2050, so having the most efficient, most effective and most environmentally friendly recycling process will be a lucrative formula for whoever gets there first. Now a Chinese research team reckons they have. But can it scale?
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