Bozeman Science
Spacetime
In this video Paul Andersen explains how the dimensions of space and time are combined in relativistic mechanics. Gravity and velocity can affect both space and time according to Albert Einstein's Special Law of Relativity.
Bozeman Science
The Equilibrium Constant
In this video Paul Andersen defines the equilibrium constant (K) and explains how it can be calculated in various reversible reactions. The equilibrium constant is a ratio of the concentration of the products to the concentration of the...
TED-Ed
TED-ED: How many ways are there to prove the Pythagorean theorem? - Betty Fei
What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry and the basis for...
TED-Ed
TED-Ed: Making sense of how life fits together - Bobbi Seleski
From something as miniscule as a cell to the biosphere we all call home, living things fit together in numerous interesting ways. Bobbi Seleski catalogs biology from our body and beyond, tracking how unicellular organisms, tissues,...
SciShow
How Does Activated Charcoal Work?
You may know it as a miracle powder or an ice cream flavor, but activated charcoal can do some pretty cool stuff.
Bozeman Science
Wave Diffraction
In this video Paul Andersen explains how waves will diffract (or bend) around an obstacle or while traveling through and opening. Diffraction will be maximized when the size of the opening or obstacle matches the wavelength.
SciShow
Why We Respond to Disasters with Altruism
The idea that humans react to disasters by losing control and acting selfishly is all too prevalent, especially in movies and television. But recent studies on altruism may provide evidence that this isn’t always the case, and this...
SciShow
How Do Animals Change Color?
Changing colors -- it’s not just for chameleons! Many species of octopuses, squid and cuttlefish can do it, as well as a few insects, and even mammals and birds. Find out what feats of biology different animals use to change their...
TED Talks
TED: Will automation take away all our jobs? | David Autor
Here's a paradox you don't hear much about: despite a century of creating machines to do our work for us, the proportion of adults in the uS with a job has consistently gone up for the past 125 years. Why hasn't human labor become...
TED-Ed
TED-ED: The colossal consequences of supervolcanoes - Alex Gendler
In 1816, Europe and North America were plagued by heavy rains, odd-colored snow, famines, strange fogs and very cold weather well into June. Though many people believed it to be the apocalypse, this "year without a summer" was actually...
PBS
How Did Dinosaurs Get So Huge?
Part of why we're so fascinated with extinct dinosaurs it's just hard for us to believe that animals that huge actually existed. And yet, they existed! From the Jurassic to the Cretaceous Periods, creatures as tall as a five-story...
TED-Ed
TED-Ed: Cloudy climate change: How clouds affect Earth's temperature - Jasper Kirkby
As the Earth's surface temperature gradually rises, it has become vital for us to predict the rate of this increase with as much precision as possible. In order to do that, scientists need to understand more about aerosols and clouds....
TED Talks
Vik Muniz: Art with wire, sugar, chocolate and string
Vik Muniz makes art from pretty much anything, be it shredded paper, wire, clouds or diamonds. Here he describes the thinking behind his work and takes us on a tour of his incredible images.
TED Talks
TED: Why wildfires have gotten worse -- and what we can do about it | Paul Hessburg
Megafires, individual fires that burn more than 100,000 acres, are on the rise in the western United States -- the direct result of unintentional yet massive changes we've brought to the forests through a century of misguided management....
Bozeman Science
Properties of Matter
Mr. Andersen surveys properties of matter. A brief discussion of Archimede's Principle, Charles Law, Boyle's Law, and viscosity is included.
Curated Video
Indonesia Economy
New ReviewIndonesia, a member of the G20, has the sixteenth-largest economy in the world and the largest in Southeast Asia. The economy has been transformed since the country’s independence in 1945. Indonesia has a market capitalist economy with a...
Curated Video
Germany Shopping
New ReviewShopping in Germany can be somewhat baffling because it’s often difficult to predict when a store will or won’t be open. Thankfully, an increasing number of stores are liberalizing their hours. Generally, large stores, supermarkets, and...
Curated Video
South Africa Housing
New ReviewSouth Africa offers a variety of housing options that differ between the major urban centers. Explore neighborhoods and review tips on hiring an estate agent and renting a home.
Curated Video
Singapore Economy
New ReviewFrom its early days of independence, Singapore set about becoming a major player in the competitive world of international business. Since 1968, the economic growth been enviable, and Singapore is among the most competitive nations in...
Curated Video
Japan Women in Workplace
New ReviewIn Japan, it is generally expected that women will work for a few years after graduation until children are born. Those with school-age children may go back to work part-time, usually for a low hourly wage. Slowly, however, attitudes are...
Curated Video
The Complete Bootstrap Beginners Course with 100+ examples - Bootstrap Responsive Tables
New ReviewIn this video, we will understand how to create a responsive table.
Curated Video
Pascal’s Law Explained | Force Multiplication, Hydraulic Lift & Applications in Physics
New ReviewDiscover how Pascal’s Law makes it possible to lift massive weights with a small force! 🌊 This lesson explores the principle of pressure transmission in fluids, derivation of key formulas, force multiplication using pistons, and...
Curated Video
Bigfoot Around the World: Yeti, Yowie and Other Legends for Kids
New ReviewBigfoot, also known as Sasquatch, isn’t just an American legend—creatures like him appear in stories from cultures all over the world. From the Yeti in the Himalayas to the Yowie in Australia and the Skunk Ape in Florida, many places...
The Daily Conversation
The Largest Science Projects in the World
New ReviewFrom land to sea to space, scientists are using incredible tools to make new discoveries. These are the ten largest instruments in use around the world.