The Figure 8 Knot Has Never Failed. Why?
Adults Education
Modern roped rock climbing, one of the nerdiest sports, relies almost entirely on a single type of knot for safety: the figure eight knot.
The First-Ever Cargo Ship Powered By Green Fuel | Morten Bo Christiansen | TED
Adults Education
The shipping industry is vital to the global economy, but it's also a huge contributor to the climate crisis.
What Does IQ Actually Measure?
Adults Education
A huge thank you to Emeritus Professor Cecil R. Reynolds and Dr. Stuart J. Ritchie for their expertise and time.
Titan Implosion Explained with a Soda Can
Adults Education
On June 18th, 2023, OceanGate’s Titan submersible imploded near the wreck of the Titanic. Why? This simple experiment that you can do at home demonstrates the terrifying power of the ocean that ultimately ended Titan’s expedition.
Why Can't I Grow More Teeth?
Adults Education
How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.
The Power of an Image – and the Mind behind It | Misan Harriman | TED
Adults Education
As a neurodivergent child going to school far from home, Misan Harriman found solace in the internet -- "an endless library of the extraordinary," as he calls it.
The Most Misunderstood Concept in Physics
Adults Education
A huge thank you to those who helped us understand different aspects of this complicated topic - Dr. Ashmeet Singh, Supriya Krishnamurthy, Dr. Jos Thijssen, Dr. Bijoy Bera, Dr. Timon Idema, Álvaro Bermejillo Seco and Dr. Misha Titov.
Primitive Technology: Undercover Brick Workshop
Adults Education
I built a thatched shelter to make bricks in so that they are protected from the rain before they are fired. Despite it being the dry season, it still rains unpredictably in this climate...
Is "Wagyu" ground beef a scam?
Adults Education
What does Wagyu even mean these days? In this video, I want to start and get to the bottom of it.
Everything is about to change.
Adults Education
We can’t ignore it any longer. Generative A.I. like ChatGPT is going to change everything. It already is. Here’s what the future looks like from my vantage point.
Why Are Saturn’s Rings Younger Than Saturn?
Adults Education
Saturn's rings are younger than Saturn, and the most spectacular sight in the Solar System is also disappearing. How do we know? By running our finger through some cosmic dust.
These Countries Are Cheating
Adults Education
By overcounting how much carbon their forests suck up, and undercounting how much carbon their industries release, countries undercount their total carbon emissions.
Numbers They Don't Teach You In School
Adults Education
There's a strange number system, featured in the work of a dozen Fields Medalists, that helps solve problems that are intractable with real numbers.
ChatGPT Explained Completely.
Adults Education
ChatGPT is now the fastest-growing consumer app in human history. Problem is, almost no one knows how it actually works. This is everything you need to know.
Kung Fu, Star Trek and the Many Paths to Spirituality | Rainn Wilson
Adults Education
Do you feel overwhelmed by the complex issues facing our world, not to mention your own personal problems? Spirituality is the key to staying grounded and hopeful -- even for skeptics, says actor and author Rainn Wilson.
What Biologists Do: Crash Course Biology
Adults Education
A biologist’s natural habitat is anywhere questions about life are being asked—whether the subject is a nematode or a narwhal, a single cell, or a whole ecosystem.
Primitive Technology: New Brick Kiln Design
Adults Education
I cleared an area as a workspace for making bricks, trialed a new source of clay for brick making and tested a new kiln variant that uses fewer bricks than the previous design.
The Black Hole That Kills Galaxies - Quasars
Adults Education
The universe isn't just a vast empty ocean sprinkled with galaxies – most of the atoms are actually drifting in between, in the intergalactic medium.
Should More Species Be Extinct?
Adults Education
Watch these amazing rewilding videos from our friends at Planet Wild, in which they’re saving Europe’s cutest bird from extinction or resurrecting a dying forest.
Why I Cook Meat Straight from the Freezer (& why you should too)
Adults Education
ne of the most annoying and frustrating problems as a home cook, is looking into the fridge on a weeknight and realizing either, the protein you got earlier this week is past the freeze-by date, you have no protein in the first place, or the pack of chicken you threw into the freezer is hours away from being thawed.
What Are Plants Made Of? Crash Course Botany
Adults Education
When you eat a salad for lunch, you’re digging into a giant pile of plant organs. That’s right—plants are made up of organs, only theirs follow a totally different set of rules from our own.