TED Talks
Mani Vajipey: How India's local recyclers could solve plastic pollution
India has one of the world's highest rates of plastic recycling, thanks largely to an extensive network of informal recyclers known as "kabadiwalas." Entrepreneur Mani Vajipey discusses his work to organize their massive efforts into a...
MinuteEarth
Is There A Better Way To Power Airplanes?
It’s hard to replace jet fuel because the alternatives aren’t energetic enough, are too dangerous, or aren’t yet being made at scale.
Be Smart
Putting Hurricane Harvey In Perspective
How do we comprehend a storm like Hurricane Harvey? Let's put it into perspective.
TED Talks
Bill Gates: Innovating to zero!
At TED2010, Bill Gates unveils his vision for the world's energy future, describing the need for "miracles" to avoid planetary catastrophe and explaining why he's backing a dramatically different type of nuclear reactor. The necessary...
Bozeman Science
Strong Nuclear Force
In this video Paul Andersen explains how the strong nuclear force holds the nucleus together in spite of repulsive electrostatic charges acting on the nucleons. Mesons exchanged between nucleons keep the nucleus intact and gluons...
TED Talks
Bruce Friedrich: The next global agricultural revolution
Conventional meat production causes harm to our environment and presents risks to global health, but people aren't going to eat less meat unless we give them alternatives that cost the same (or less) and that taste the same (or better)....
Bozeman Science
Graphing Data by Spreadsheet
Paul Andersen shows you how to graph data by hand. He explains the required elements of a scatter plot with a best fit line. He shows you how to properly scale and label the axes.
Bozeman Science
Wave-Particle Duality of Light
In this video Paul Andersen explains how light can be treated as both a particle and a wave. Physicists use scale to determine which model to use when studying light. When the wavelength of light is equivalent to the size of the object...
Be Smart
Defusing the Population Bomb
Is overpopulation real? Is Earth filling up with too many humans? How many people can Earth hold, anyway? As our species approaches 8 billion, human overpopulation is a major concern for many people. How can we reduce poverty and our...
TED-Ed
TED-Ed: Is there a limit to technological progress? - Clement Vidal
Many generations have felt they've reached the pinnacle of technological advancement. Yet, if you look back 100 years, the technologies we take for granted today would seem like impossible magic. So - will there be a point where we reach...
Bozeman Science
Scalars and Vectors
Mr. Andersen explains the differences between scalar and vectors quantities. He also uses a demonstration to show the importance of vectors and vector addition.
PBS
What are the Strings in String Theory?
Why strings? What are they made of? How did physicists even come up with this bizarre idea? And what's all this nonsense of extra dimensions?
TED-Ed
TED-Ed: Are we living in a simulation? | Zohreh Davoudi
All life on Earth— living and inanimate, microscopic and cosmic— is governed by mathematical laws with apparently arbitrary constants. And this opens up a question: If the universe is completely governed by these laws, couldn't a...
Bozeman Science
Acids, Bases, and pH
Paul Andersen explains pH as the power of hydrogen. He explains how increases in the hydronium ion (or hydrogen ion) concentration can lower the pH and create acids. He also explains how the reverse is true. An analysis of a strong acid...
Crash Course
The Big Bang Crash Course Big History 1
In which John Green, Hank Green, and Emily Graslie teach you about, well, everything. Big History is the history of everything. We're going to start with the Big Bang, take you right through all of history (recorded and otherwise), and...
Bozeman Science
Concept 3 - Scale, Proportion, and Quantity
In this video Paul Andersen explains the importance of scale in science and engineering. The Universe varies in size along three scales: size, timespan, and energy. Many phenomenon are too small and fast, or two large and slow to...
Be Smart
Life by the Numbers
How successful are we compared to other species? It turns out that biomass, or what things weigh, can be more important than how many of something there are. Find out how our numbers stack up against everything from bugs to bacteria, and...
TED Talks
TED: How cities are detoxing transportation | Monica Araya
People around the world are demanding clean air -- and cities are starting to respond, says electrification advocate Monica Araya. She takes us on a world tour of urban areas that are working to fully electrify their transportation...
Bozeman Science
Matter as a Particle
In this video Paul Andersen explains how matter, like light, can be treated as both a particle and a wave. Louis de Broglie proposed that matter could act as a wave and described the wavelength of matter as a function of Planck's...
Be Smart
How Big is the Solar System?
I took a trip to one of Austin's famous moontowers so I could put the enormity of our solar system into perspective. With the help of a grapefruit, and a lot of walking, you'll get an idea of just how tiny everything is out there!!
TED-Ed
TED-ED: How to spot a misleading graph - Lea Gaslowitz
When they're used well, graphs can help us intuitively grasp complex data. But as visual software has enabled more usage of graphs throughout all media, it has also made them easier to use in a careless or dishonest way - and as it turns...
PBS
Ocean clean-up
About 9 million tons of plastic are dumped into the world's oceans every year -- enough to fill a football stadium 23 miles high. But a project dubbed the Ocean Cleanup aims to eliminate it with a method that researchers are testing in...
Curated Video
Landmarks - Forbidden City
FORBIDDEN CITY FOR ALMOST FIVE CENTURIES THE FORBIDDEN CITY IN THE CENTRE OF BEIJING, SERVED AS THE HOME OF THE EMPEROR AND HIS HOUSEHOLD. IT WAS THE CEREMONIAL AND POLITICAL CENTRE OF CHINESE GOVERNMENT AND LIKE MANY OF ITS TYPE, HAD...