TED Talks
TED: Are we the last generation -- or the first sustainable one? | Hannah Ritchie
The word "sustainability" gets thrown around a lot these days. But what does it actually mean for humanity to be sustainable? Environmental data scientist Hannah Ritchie digs into the numbers behind human progress across centuries,...
TED Talks
TED: This country runs on 98 percent renewable energy | Ramón Méndez Galain
Fifteen years ago, Uruguay was experiencing an energy crisis brought on by its reliance on fossil fuels; today, the nation produces 98 percent of its electricity from renewable sources (and even exports extra energy to neighboring...
TED Talks
TED: How to supercharge renewables and energize the world | Rebecca Collyer
The power sector generates the electricity that sustains modern life -- but it's also the number one contributor to climate change. We need a swift and equitable shift to renewable energy, says 2023 Audacious Project grantee and...
TED Talks
TED: Can AI help solve the climate crisis? | Sims Witherspoon
AI can be a transformational tool in our fight against climate change, says Sims Witherspoon, a leader at the AI research lab Google DeepMind. Using wind power as her case study, she explains how powerful neural networks can help us...
TED Talks
TED: The climate crisis is expensive -- here's who should pay for it | Avinash Persaud
The developing world is most affected by climate change but has contributed the least to the problem. Meanwhile, rich countries historically exacerbated the environmental crisis and grew wealthy as a result -- but aren't helping...
TED Talks
TED: The molecular love story that could help power the world | Olivia Breese
The key to revolutionizing the world's energy landscape may lie in an unlikely love story, says energy innovator Olivia Breese. She details the fateful marriage of a green electron and a water molecule -- a powerful source of...
TED Talks
TED: The renewable energy revolution happening in Ukraine | Maxim Timchenko
What's it like keeping the lights on during war? Ukrainian energy executive Maxim Timchenko shares how his company has diversified Ukraine's power structures to survive Russian attacks, highlighting the resilience of renewable energy....
SciShow
The Giant of Nanoscience
Mildred Dresselhaus was a giant in the field of nanoscience. She didn't invent anything you have in your home right now, but she made it possible for us to have self-charging phones, smarter refrigerators, and more.
SciShow
This Fungus Has A Drinking Problem
The strange, sooty fungus growing on distillery walls has long been considered part of the process of making barrel-aged boozy beverages. And this fungus has a lot of tricks up its sleeve to make the most out of ethanol, which to most...
SciShow
How PET Scans See Cancer
When someone gets a PET scan to detect tumors and how far a cancer has spread, that machine is actually detecting sugar. Because cancer has a sweet tooth, and this phenomenon, called the Warburg effect, may help us develop new cancer...
SciShow
The Nuclear-Powered Clocks of the Future
Atomic clocks are the best timekeepers humanity's got these days, but scientists are working toward something even better: a SUB-atomic (aka nuclear) clock.
SciShow
Meet Nell: The Skeleton Rocket That Flew
In 1926, Robert Goddard launched Nell — the very first (successful) liquid fuel rocket. But Nell wasn't built like other modern rockets, including a notable lack of casing and an exhaust nozzle suspended above the propellant tanks.
SciShow
The Sun Is Green
The Sun is green, actually. We'll go into why the blackbody effect means the Sun emits more green visible light than any other color, and why evolution and color perception mean it's ok to see it as yellow, anyway.
SciShow
The Weight of “Nothing” Could Mean Everything (to Physics)
Deep in a Sardinian mine, researchers are constructing an experiment that hopes to solve what's known as The Worst Prediction In The History of Physics, and pin down the true identity of dark energy.
MinuteEarth
What if We Replaced Nuclear With Potatoes
Energy use can be confusing – I mean, how do you compare gasoline in your car to electricity piped to your house? That's why we made these things spud-tacularly simple.
MinutePhysics
A Better Way To Picture Atoms
This video is about using Bohmian trajectories to visualize the wavefunctions of hydrogen orbitals, rendered in 3D using custom python code in Blender.
MinutePhysics
Windmills Are NOT Like Dams
The Solution to the Windmill Paradox. This video is about the tradeoff of Windmills: the fact that the more kinetic energy you extract from the wind the slower the wind goes, the less wind you have to extract energy from, etc. How much...
MinutePhysics
The Physics of Windmill Design
This video is about how physics dictates the design of modern windmills - why they are so big, have so few blades, and have such skinny blades.
MinutePhysics
How to Simulate the Universe on your Laptop
One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!
MinutePhysics
General Relativity Explained in 7 Levels of Difficulty
This video covers the General theory of Relativity, developed by Albert Einstein, from basic simple levels (it's gravity, curved space) through to the concepts of how curved spacetime is represented by psuedo-Riemannian manifolds with...
MinutePhysics
Most Collisions Are Secretly in One Dimension
This video is about elastic and inelastic collisions in 1D, 2D and 3D - and how the collision of conservation of energy with conservation of momentum, plus a secret direction, results in a completely predetermined behavior for most...
Amoeba Sisters
Biomolecules (Updated 2023)
Explore the four biomolecules and their importance for organisms and the structure and function of their cells! This 2023 UPDATED Biomolecules Amoeba Sisters video has some more detail and improved art from the 2016 Amoeba Sisters...
SciShow
Relative Humidity Isn't What You Think It Is
Have you ever wondered why 75% humidity in the summer feels sticky, but 75% humidity in the winter feels super dry? Turns out, the common definition of humidity is inconvenient and confusing. But there is a better way!
SciShow
Plants That Keep Themselves Warm
Sometimes, plants do unexpected things. Like control their own body temperature.