TED Talks
TED: An updated action plan for solving the climate crisis — and a look at progress to date | Ryan Panchadsaram, Anjali Grover and David Biello
When it comes to climate, what are we doing right and where should we focus our efforts next? Systems innovator Ryan Panchadsaram and strategist Anjali Grover talk with TED science curator David Biello about the latest on the world's...
SciShow
The Weird Reason More Bridges Are About to Fail
While they are incredible engineering marvels, we don't think about bridges all that much. But there's a good reason we should all be thinking about our bridges, since there's a weird reason that more of them might be at risk of failure...
SciShow
These Smart Roads Could Change the Future of Driving
From self-healing asphalt to electrified roads, technology is steering the future of driving along some exciting new paths!
SciShow
Is the Five-Second Rule Real?
Oops! You drop your precious midnight snack on the floor! You just picked it up really quick, like less than five seconds, so it is ok to eat, right? But is the 5-second rule really legit? Hosted by: Michael Aranda ----------
PBS
Pakistanis build climate-resilient homes in aftermath of devastating floods
Pakistan is struggling to recover from last year’s cataclysmic flooding that killed more than 1,700. It was the latest in a string of weather-related disasters the country has faced over the past two decades, prompting calls to make...
SciShow
This Material Is Nearly Uncuttable
European researchers claim to have developed a composite material that is basically uncuttable, so with this material, your bike might never be stolen.
Crash Course
How did Detroit Become the Motor City? | Industrial Geography | Crash Course Geography
From shipping routes to airplane traffic to even the Internet, transportation planning is all about designing optimal transportation networks to move goods, information, and people around the globe. Today, we're going to discuss...
SciShow
How Tall Can Skyscrapers Get?
Get an engineeer's-eye-view of the tallest buildings in the world, to learn what challenges they face as they reach for the sky and wonder, how tall can we build?
SciShow
How Long Does SARS-CoV-2 Last on Surfaces? What We Know
If a surface is contaminated with the SARS-CoV-2 virus, how long does it pose a risk of infection?
TED-Ed
TED-Ed: What if cracks in concrete could fix themselves? - Congrui Jin
Concrete is the most widely used construction material in the world. It can be found in swathes of city pavements, bridges that span vast rivers and the tallest skyscrapers on earth. But it does have a weakness: it's prone to...
TED-Ed
TED-Ed: Could we build a wooden skyscraper? | Stefan Al
Towering 85 meters above the Norwegian countryside, Mjøstårnet is the world's tallest wooden building, made almost entirely from the trees of neighboring forests. But as recently as the end of the 20th century, engineers thought it was...
TED Talks
TED: Can China achieve its ambitious climate pledges? | Hongqiao Liu
In 2020, China's President Xi Jinping pledged that China would both peak its emissions by 2030 and achieve net-zero emissions by 2060 -- a change that will require action at an unheard-of scale and speed. Can the country actually achieve...
SciShow
These Smart Roads Could Change the Future of Driving
From self-healing asphalt to electrified roads, technology is steering the future of driving along some exciting new paths!
TED-Ed
TED-ED: Why is ketchup so hard to pour? - George Zaidan
Ever go to pour ketchup on your fries-and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? George Zaidan describes the physics behind this frustrating phenomenon, explaining how ketchup and...
TED Talks
Thomas Thwaites: How I built a toaster -- from scratch
It takes an entire civilization to build a toaster. Designer Thomas Thwaites found out the hard way, by attempting to build one from scratch: mining ore for steel, deriving plastic from oil ... it's frankly amazing he got as far as he...
TED Talks
TED: How we can curb climate change by spending two percent more on everything | Jens Burchardt
Would you pay two percent more for the carbon-neutral version of the products you buy and use every day? In this innovative talk, climate pathfinder Jens Burchardt walks us through the costs and considerations of producing...
SciShow
Hank and Michael Meet an Alien: SciShow Talk Show #4
In this episode, Michael attempts to stump Hank and then they meet Kemo and Jessi from Animal Wonders.
SciShow
Why Do Razor Blades Dull so Quickly?
If you shave regularly, you may have noticed your razor blades don’t cut as well after just a few uses. But why do razors get dull so quickly?
SciShow
Can You Burn Metal?
You know metal can get really hot, and you probably know that it can melt. But can it burn? Hank shows you how you can burn a hunk of metal like you're some kinda superhero (just be careful, please), and he explains how, in chemistry,...
TED-Ed
TED-ED: What is metallic glass? - Ashwini Bharathula
Steel and plastic are essential to much of our infrastructure and technology. Steel is strong and hard, but difficult to shape intricately. Plastic can take on just about any form, but it's weak and soft. Wouldn't it be nice if there...
Crash Course
The Law of Conservation: Crash Course Engineering #7
Today Shini explains the law of conservation, beginning with simple, steady-state systems. We’ll discuss conversion and yield, accumulation, and how generation and consumption can affect how much accumulation there is in a system.
TED Talks
Erik Schlangen: A "self-healing" asphalt
Paved roads are nice to look at, but they're easily damaged and costly to repair. Erik Schlangen demos a new type of porous asphalt made of simple materials with an astonishing feature: When cracked, it can be "healed" by induction heating.
Crash Course
Metals & Ceramics: Crash Course Engineering #19
Today we’ll explore more about two of the three main types of materials that we use as engineers: metals and ceramics. We’ll discuss properties of metals, alloys, ceramics, clay, cement, and glass-ceramic materials. We’ll also look at...
Crash Course
Reaching Breaking Point: Materials, Stresses, & Toughness: Crash Course Engineering #18
Today we’re going to start thinking about materials that are used in engineering. We’ll look at mechanical properties of materials, stress-strain diagrams, elasticity and toughness, and describe other material properties like hardness,...