Why can't we breathe underwater?03/25/15
Water is made up of hydrogen and oxygen, so why aren't we able to breathe underwater? Find out in this episode of BrainStuff.
What does it mean when a car has dual overhead cams?
A camshaft plays an integral role in the functioning of an engine. And dual overhead cams ramp up a machine's performance even more. Find out how dual overhead camshafts work in this episode.
Could anti-lock brakes detect a flat tire?
By using a computer to monitor the rotation of the car's wheels, an anti-lock braking system helps drivers avoid skids. Could this computer also monitor flat tires? Check out this HowStuffWorks podcast to learn more about brake systems.
Why are traffic lights being replaced with LEDs?
Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights.
Why is a circular saw louder than a table saw?
Circular saws are much noisier than table saws partly because of the type of motor they possess. Learn more about universal and induction motors in BrainStuff, a podcast from HowStuffWorks.com.
How does an airplane toilet work?
Airplane toilets serve the same function as regular ones, but because they exist in a moving environment, they rely on slightly different technology to get the job done. Find out how they work in this podcast from HowStuffWorks.com.
How do they make fortune cookies?
You've probably had countless fortune cookies after Chinese meals, but have you ever wondered how they're made? Discover the "food technology" behind those prescient little cookies in this episode of BrainStuff.
How do cats purr?
Cats tend to purr when they're happy, but pleasure isn't the only reason for this behavior. And they aren't the only animals who purr. Find out why and how cats and other animals purr in this episode of BrainStuff.
How Flatulence Works
Learn about the causes of gas -- and not the kind you put in your car -- in this podcast from Marshall Brain.
What's the deal with milk?
Milk is often touted as a "miracle drink," full of restorative, nutritional properties. And there's some truth to this claim. Find out why mammal milk is called "the perfect food" in this podcast from HowStuffWorks.com.
How much does planet Earth weigh?
As far as weight goes, Earth is a pretty hefty celestial body. But exactly how heavy? And how does one measure something so massive? Find out in this podcast from HowStuffWorks.com.
What are other ways to store energy besides batteries?
Batteries are a common way to store energy, but there are many others. Discover more energy storage techniques, from falling weights to fuel cells, in this podcast from HowStuffWorks.com.
How does the common cold work?
We've all had a cold at one point or another; it entails an uncomfortable cocktail of symptoms like sneezing, coughing and a runny nose. But why do we get colds? How do they work? Find out in this podcast from HowStuffWorks.com.
How do dry chemical fire extinguishers work?
Three elements create a fire. Discover what they are and how dry chemical fire extinguishers combat them in this podcast from HowStuffWorks.com.
Where does aluminum come from?
Aluminum is both lightweight and strong, so it's no wonder that space stations, airplanes and thousands of other products use this metal. But where does it come from, and what makes it so special? Tune in to learn more.
Is it possible to turn coal into oil?
As the demand for dwindling oil supplies rises, scientists across the world search for new ways to generate energy. In this episode, Marshall looks at a new attempt to stave off the looming fossil fuel crisis: Turning coal into oil. Tune in to learn...
How do thirty pounds of air in your tires hold up two tons of car?
Cars are heavy machines, so how can a few small, pressurized tires support their weight? Marshall Brain explains how tire pressure and contact patches work in this episode.
Why don't they use normal air in race car tires?
Race car tires are often filled with nitrogen because nitrogen pressure is more consistent than air pressure. In this episode, Marshall explains why nitrogen is better for race cars -- but not for regular vehicles.
How do plastics work? What is actually in a plastic?
Plastics have become so ubiquitous that we often take them for granted, but have you ever wondered where these popular materials come from? In this episode, Marshall explains what plastics are made of.
How does your stomach keep from digesting itself?
The stomach is a hollow, many-layered organ that produces powerful acids to break down food -- and another substance to protect the stomach from being digested. Find out what this substance is, and learn more about the stomach, in this episode.
- Atlanta, GA