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TED Talks
TED: How China is (and isn't) fighting pollution and climate change | Angel Hsu
China is the world's biggest polluter -- and now one of its largest producers of clean energy. Which way will China go in the future, and how will it affect the global environment? Data scientist Angel Hsu describes how the most populous...
TED Talks
TED: A small country with big ideas to get rid of fossil fuels | Monica Araya
How do we build a society without fossil fuels? using her native Costa Rica as an example of positive action on environmental protection and renewables, climate advocate Monica Araya outlines a bold vision for a world committed to clean...
Crash Course
Humans and Energy: Crash Course World History 207
In which Stan Muller subs for John Green and teaches you about energy and humanity. Today we discuss the ideas put forth by Alfred Crosby in his book, Children of the Sun. Historically, almost all of the energy that humans use has been...
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
Why Does Cold Weather Kill Your Phone?
If you live in a cold climate, you might know the agony of trying to get your car started on a chilly winter morning, or standing helplessly by as your phone's battery level plummets. So why do cold weather and batteries seem to just not...
TED Talks
TED: The case for curiosity-driven research | Suzie Sheehy
Seemingly pointless scientific research can lead to extraordinary discoveries, says physicist Suzie Sheehy. In a talk and tech demo, she shows how many of our modern technologies are tied to centuries-old, curiosity-driven experiments --...
TED Talks
TED: A demo of wireless electricity | Eric Giler
Eric Giler wants to untangle our wired lives with cable-free electric power. Here, he covers what this sci-fi tech offers, and demos MIT's breakthrough version, WiTricity -- a near-to-market invention that may soon recharge your cell...
TED Talks
Rose M. Mutiso: How to bring affordable, sustainable electricity to Africa
Energy poverty, or the lack of access to electricity and other basic energy services, affects nearly two-thirds of Sub-Saharan Africa. As the region's population continues to increase, so will the need to build a new energy system to...
TED Talks
TED: How wind energy could power Earth ... 18 times over | Dan Jørgensen
Over the last two decades, the wind power industry has grown at a dizzying pace. (Fun fact: a single rotation from one of the world's most powerful wind turbines can generate enough electricity to charge more than 1,400 cell phones.)...
TED Talks
TED: How to transform the chemical industry -- one reaction at a time | Miguel A. Modestino
Chemical plants create many of the materials found in everyday items, from the shoes you wear to the car you drive to the cell phone in your pocket. But the massive carbon footprint from chemical manufacturing is leading to climate...
TED-Ed
The world's biggest battery looks nothing like a battery | TED-Ed
As of 2020, the world's biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How...
TED Talks
TED: How much clean electricity do we really need? | Solomon Goldstein-Rose
To fight climate change, we need to clean up the global electricity system by replacing fossil fuel power plants with clean generation -- right? Climate author Solomon Goldstein-Rose thinks we need to do much more than that. Replacement...
Be Smart
Your Climate Conscience - feat. Al Gore
News about climate change is often full of doom, guilt, and anxiety. This can make many people reluctant to pay attention to or discuss it. We asked former Vice President Al Gore to help us find a different way to talk about climate change.
SciShow
What Squids and Frogs Taught Us About How Brain Cells Talk
Back in the early days of neuroscience, we didn't study the animals you might expect to learn about how brain cells communicate.
SciShow
Official Government Statement on Mermaids
Today from SciShow World News Headquarters (Hank's office) - news about radiation risks, the most hi-def astronomy ever, and the truth about aquatic humanoids.
SciShow
Why Does the US Have So Many Power Outages?
The United States has a lot more power outages than other countries do, and fixing this problem will be a massive undertaking.
Cha
pters
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Across the United States, the average customer loses...
Cha
pters
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Across the United States, the average customer loses...
TED Talks
Saul Griffith: High-altitude wind energy from kites!
In this brief talk, Saul Griffith unveils the invention his new company Makani Power has been working on: giant kite turbines that create surprising amounts of clean, renewable energy.
SciShow
The Science Of REAL Hoverboards
Hank gives it to you straight about "anti-gravity technology" -- basically, it doesn't exist. But if you really want to hover, you have options!
TED-Ed
TED-Ed: What's the best fuel for your car? | TED-Ed
Historically, most cars have run on gasoline, but that doesn't have to be the case in the future: other liquid fuels and electricity can also power cars. So what are the differences between these options? And which one's best? Dig into...
TED Talks
TED: How we can make energy more affordable for low-income families | DeAndrea Salvador
Every month, millions of Americans face an impossible choice: pay for energy to power their homes, or pay for basic needs like food and medicine. TED Fellow DeAndrea Salvador is working to reduce energy costs so that no one has to make...
TED Talks
Juliana Rotich: Meet BRCK, Internet access built for Africa
Tech communities are booming all over Africa, says Nairobi-based Juliana Rotich, cofounder of the open-source software Ushahidi. But it remains challenging to get and stay connected in a region with frequent blackouts and spotty Internet...
TED Talks
TED: You don't need an app for that | Toby Shapshak
Are the simplest phones the smartest? While the rest of the world is updating statuses and playing games on smartphones, Africa is developing useful SMS-based solutions to everyday needs, says journalist Toby Shapshak. In this...
TED Talks
TED: Africa's great carbon valley -- and how to end energy poverty | James Irungu Mwangi
Our lives depend on curbing climate change, but so many priorities seem to be in competition. What's the most urgent thing humanity can do right now? Social entrepreneur James Irungu Mwangi tells us why Africa could be the ideal home for...
TED-Ed
TED-Ed: How do nerves work? - Elliot Krane
At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.