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
AWS Certified Cloud Practitioner (CLF-C02) - Ultimate Exam Training - AWS Cloud Adoption Framework - Security Perspective
New ReviewAn extensive guide to the security perspective of the AWS Cloud Adoption Framework, covering nine key capabilities: security governance, security assurance, identity and access management, threat detection, vulnerability management,...
Curated Video
AWS Certified Cloud Practitioner (CLF-C02) - Ultimate Exam Training - Amazon Elastisearch
New ReviewIn this video, you will learn about Amazon Elastisearch.
Curated Video
AWS Certified Cloud Practitioner (CLF-C02) - Ultimate Exam Training - Six Advantages of Cloud Computing
New ReviewIn this video, you will learn about the six advantages of cloud computing.
Curated Video
Gravitational Acceleration and Free Fall Acceleration (How they differ)
New ReviewDiscover how gravitational acceleration is calculated near Earth and why your weight changes with altitude, latitude, and Earth’s rotation. This lesson unpacks the physics behind g = a₉ − ω²R and shows how gravity subtly varies across...
Curated Video
Bank of England fights Brexit slowdown with stimulus
Britain’s central bank has announced a series of stimulus measures to help protect the economy from the effects of the vote to leave the European Union. They include cutting the benchmark interest rate from 0.5 percent to 0.25 percent...
Curated Video
How to Measure & Tamp to Make Espresso
Howcast - Learn about measuring and tamping when you make espresso from the experts at Third Rail Coffee in this Howcast video.
Curated Video
Cupcake Baking Equipment
Howcast - Learn about the equipment you need to bake cupcakes from professional cake decorator Amanda Oakleaf in this Howcast video.
Curated Video
How to Make Coffee at Home
Howcast - Learn how to make coffee at home from the experts at Third Rail Coffee in this Howcast video.
Curated Video
How to Play an F Major Triad on the Bass Guitar
Howcast - Learn how to play an F major triad on the bass guitar from musician John Sutton in this online guitar lesson from Howcast.
Curated Video
How to Play Pentatonic Scale Exercises on Bass Guitar
Howcast - Learn some pentatonic scale exercises on the bass guitar from musician John Sutton in this online guitar lesson from Howcast.
Curated Video
String Crossing Technique
Howcast - Learn how to do the string crossing technique on the bass guitar from musician John Sutton in this online guitar lesson from Howcast.
Curated Video
How to Play an F Minor Scale on Bass Guitar
Howcast - Learn how to play an F minor scale on the bass guitar from musician John Sutton in this online guitar lesson from Howcast.