Why no one has measured the speed of light
Adults Science
Physics students learn the speed of light, c, is the same for all inertial observers but no one has ever actually measured it in one direction.
Can we build a "perfect" forest? - Jean-François Bastin
Adults Science
How can trees help in the fight against climate change? Dig into the efforts to rebuild damaged ecosystems and reduce carbon emissions.
Do You Expand With The Universe?
Adults Science
As the universe expands, is said to "stretch" photons. But if it stretches photons, does it also stretch molecules, galaxies and you? A portion of this video was sponsored by Salesforce.
Why Gravity is NOT a Force
Adults Science
The General Theory of Relativity tells us gravity is not a force, gravitational fields don't exist.
Could we harness the power of a black hole?
Adults Science
Imagine a distant future when humans reach beyond Earth, forge cities on planets thousands of light-years away, and maintain a galactic web of trade and transport. What would it take to make that leap?
How to Fight Fire or Flooding on a Nuclear Submarine - Smarter Every Day 244
Adults Science
The US Navy put no restrictions on me about what I should say or how I should present what I learned on this trip. Other than making sure my footage was cleared for Operational Security, I am free to say whatever I want about this experience.
Is It Too Late To Stop Climate Change? Well, it's Complicated.
Adults Science
This video is part of a series about climate change supported by Breakthrough Energy – a coalition founded by Bill Gates, that is working to expand clean-energy investment and support the innovations that will lead the world to net-zero carbon emissions.
The Infinite Pattern That Never Repeats
Adults Science
Simples rules of geometry meant that 5-fold symmetry was impossible as were crystals without a periodic structure.
How to Only Sleep 2 Hours Per Day
Adults Science
You've decided it's time you accomplished some of those life goals you've talked about, but with your crammed schedule of scrolling social media and video games, it leaves you with little time to do much else.
How To Hear Halfway Around The World
Adults Science
Sounds in the ocean can travel more than 10,000 miles - that's halfway around the world! Here's how.
Is life meaningless? And other absurd questions - Nina Medvinskaya
Adults Science
Dive into Albert Camus’ philosophy of the absurd, and explore the question: if the world is meaningless, could our lives still hold value?
This Is How Aliens Might Contact Us
Adults Science
Could Aliens Be Trying To Contact Earth Without Us Knowing?
The Odd Number Rule
Adults Science
Micheal teaches us about the "Odd Number Rule".
Is the weather actually becoming more extreme?
Adults Science
Explore the differences between weather and climate – what they are, how we predict them, and what those predictions can tell us.
What makes volcanoes erupt? - Steven Anderson
Adults Science
Dig into the science of how new volcanoes form, and what causes their unpredictable eruptions.
Artificial Intelligence - Mind Field (Ep 4)
Adults Science
So you say you love your computer or smartphone...but can it love you back? As we become more dependent on technology, and our technology becomes more lifelike, where does the line between human and computer lie?
What makes volcanoes erupt? - Steven Anderson
Adults Science
Dig into the science of how new volcanoes form, and what causes their unpredictable eruptions.