SciShow
Why Scientists Are Cooking Ancient Pots
Unlocking the mysteries of ancient ceramics is a bit complicated. Radiometric dating tells us the age of the clay, but when was it first shaped by a human? We can find out by blasting it with heat again!
Crash Course
How Not to Set Your Pizza on Fire: Crash Course Engineering #15
Today we’re going to explain how exchangers...exchange heat. We’ll look at concentric tubes, finned tubes, plate heat exchangers, and shell-and-tube heat exchangers. And we’ll look at some equations to help us sort through heat transfer...
Bozeman Science
Renewable Energy
In this video Paul Andersen discusses the technology, advantages and disadvantages of six sources of renewable energy; biomass, hydroelectric, solar, geothermal wind, and hydrogen. He also explains how changes in the storage and flow of...
Bozeman Science
Heat Exchange
In this video Paul Andersen explains how energy can be transferred from warmer objects to colder objects through heat. Temperature is a measure of the average kinetic energy of the particles in a substance. When two objects are in...
SciShow
Diving Into the Sun!
We've talked about a lot of extreme environments in the solar system, but the sun just might be the MOST extreme! Join SciShow as we dive a little deeper into our friendly neighborhood star.
SciShow
Can You Really Cook Alcohol Out of Food?
You’ve probably heard that it’s no big deal when a cake recipe calls for some rum, because all the alcohol will just cook right off! Well, that's only partly true.
SciShow
From Kepler to Webb: The History of the Telescope
Hank regales us with the history of the telescope, and then introduces us to some folks from the team who are working on the newest telescope in the chronology - the James Webb Space Telescope, an infrared telescope due to launch in 2018.
TED-Ed
TED-Ed: Got seeds? Now add bleach, acid and sandpaper - Mary Koga
For a seed to start growing, its embryo must emerge from its hard coat. In nature the embryo is aided by frost and animal digestion -- but humans can help too. Nicking, filing, and soaking the seed in hot water or acid are all forms of...
SciShow
Sun VS. Atomic Bomb
Hank puts the immense power of the sun into perspective through comparison with the most powerful nuclear bomb ever detonated.
Bozeman Science
Chemical Change
In this video Paul Andersen explains how chemical differs from physical change. In the laboratory macroscopic observations are used to infer changes at the particulate level. Evidence for chemical change include gas production, change in...
MinuteEarth
Why Apple Pie Isn't American
Our diets are more global than we realize, because our common food crops and animals were domesticated far away in diverse locations. __________________________________________ If you want to learn more about this topic, start your...
SciShow
Why Is the Night Sky Dark?
If the universe is so vast and full of stars, why is the night sky dark?
SciShow Kids
Why Do We Shiver?
Have you ever been so cold that your body shakes really fast? That’s called shivering, and Jessi and Squeaks are going to explain what causes it!
Be Smart
Why Seasons Make No Sense
Day by day, country by country, we tend to measure seasons differently.
Bozeman Science
Land Use
In this video Paul Andersen explains how land is developed for human use. Urbanization has occurred through the last century as people have moved to cities in large numbers. Transportation and the arrival of the car have led to urban...
Crash Course Kids
Here Comes the Sun
Every hear of 'Sol'? Sure you have! It's our Sun! It sits at the center of our 8 planet solar system, providing us with heat and light. But how does that energy get to us? In this episode of Crash Course Kids, Sabrina chats about the...
TED-Ed
TED-Ed: The chemistry of cold packs - John Pollard
If you stick water in the freezer, it will take a few hours to freeze into ice. How is it, then, that cold packs go from room temperature to near freezing in mere seconds? John Pollard details the chemistry of the cold pack, shedding...
SciShow
How Do Wetsuits Keep You Warm?
Snorkelers, surfers, divers. They all use them… wetsuits! So how do they work to keep you warm? It turns out layers of materials, and water itself!
SciShow
World's Most Asked Questions What Is Energy
What is Energy? The short answer is EVERYTHING. But what does that mean? Let SciShow explain.
Bozeman Science
Energy Concepts
In this video Paul Andersen explains the different forms and units for energy. A discussion of the laws of thermodynamics is also included. Sample conversion problems using dimensional analysis is also included.
SciShow Kids
Baking a Cake with Science!
It might seem like magic when you put some batter in the oven and pull out a fluffy cake, but it's actually science! Join Jessi and Squeaks as they bake a cake and explain how the ingredients react with each other to make a tasty treat!
Crash Course
Partial Pressures & Vapor Pressure: Crash Course Chemistry
This week we continue to spend quality time with gases, more deeply investigating some principles regarding pressure - including John Dalton's Law of Partial Pressures, vapor pressure - and demonstrating the method for collecting gas...
MinuteEarth
Are Plastics Too Strong?
The same chemistry that makes plastic tough, light and flexible also makes it nearly impossible to get rid of, because it’s hard to break those resilient chemical bonds.