BrainStuff
2,648 episodes — Page 50 of 53
Why do hurricanes follow such peculiar tracks?
Hurricanes are enormously destructive, and sometimes seem to have a mind of their own. Tune in to this HowStuffWorks podcast to learn more about hurricanes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How do Heart Bypass operations work?
Since the heart is a muscle, it relies on the oxygen and nutrients contained in blood. This blood is supplied by arteries on the exterior of the heart -- when these arteries are blocked, a heart attack results. Listen to find out in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Inkjet Printers Work
Inkjet printers shoot extremely small droplets of ink -- thirty dots per millimeter or more -- onto paper to produce a picture. Check out this HowStuffWorks podcast to learn more about inkjet printers. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What does the VTEC system do?
Every gasoline engine has valves that work with the camshaft to let air into and out of the engine. Learn how VTEC -- Variable Valve Timing and Lift Electronic Control -- allows engines to adapt their camshafts in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How quickly does hair grow?
On average, human hair grows a small amount each day. Listen in as Marshall Brain explains hair growth in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How do gun silencers work?
The sound of gunfire is incredibly loud, and it is amazing that anything is able to silence a firearm. However, the principle behind a gun silencer is surprisingly simple. Check out our HowStuffWorks article to learn more about silencers. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How do exhaust headers work to improve an engine's performance?
The goal of headers is to make it easier for an engine to push out exhaust gasses. Check out this HowStuffWorks podcast to learn how exhaust headers channel exhaust gasses and improve engine efficiency. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What causes high tide and low tide?
The moon's gravitational pull is strong enough to affect the oceans on Earth, resulting in low and high tides. Discover exactly how high and low tides work in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why doesn't the space shuttle burn up upon re-entry?
Meteors burn up once they hit Earth's atmosphere, and the space shuttle would do the same if it wasn't protected. Learn more about meteors and the technologies that keep the space shuttle from burning up in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What is fertilizer, and why do plants need it?
In order for a plant to grow and thrive, it needs a number of different chemical elements. Check out this podcast from HowStuffWorks to learn more about fertilizer. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How do the engines breathe in diesel submarines?
Diesel submarines are actually hybrid vehicles. Find out why -- and exactly how they work -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What is a tank engine?
You've probably heard of the beloved character Thomas the Tank Engine, but have you ever wondered what makes him a tank engine? Discover what sets Thomas apart from his locomotive pals in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What exactly is a blueprint?
Blueprinting, which has been around since 1842, is a common way to reproduce an architectural drawing. Tune in to learn more about the complex chemical processes that make blueprints blue -- and white -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does a chicken's egg get its shell?
Which came first -- the chicken or the egg? Listen in as Marshall Brain gives the technical answer -- and takes a look at the science behind eggshell formation -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Where do bullets go when guns are fired into the air?
When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does pressure-treated lumber work?
organisms. Find out why pressure-treated lumber holds up better -- and how it works -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How do Mexican jumping beans work?
Although Mexican jumping beans don't actually jump, they're definitely more active than your average bean. Find out how a moth makes them move in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does a hybrid car work?
Hybrid cars combine electric motors and smaller gasoline engines in an attempt to increase efficiency. Find out exactly how they work in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does an Indiglo watch work?
An Indiglo watch works a lot like a neon sign, getting its signature "glow" from electroluminescence. Tune in to hear Marshall Brain explain the finer points of Indiglo watch technology in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What makes NASCAR engines different from other engines?
NASCAR engines are built for maximum efficiency, and they're much more powerful than regular engines. Marshall Brain discusses five ways in which NASCAR engines differ from regular ones in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How do torpedo engines work if they're underwater?
Torpedo engines rely on special methods of propulsion to operate underwater. Find out what they are in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does a Crooke's radiometer work?
Vacuums and light combine to power a Crooke's radiometer -- but how does it work? Listen in and learn more about the mechanisms inside the radiometer in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why is Friday the 13th considered unlucky?
In countries like the United States, people have a superstitious fear of one particular date: Friday the 13th. But why? In this episode, Marshall discusses the two main fears that have fueled the Friday the 13th superstitions, as well as their origins. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What's the best way to back up a computer's hard disk?
Your computer's hard disk stores all your information, but what happens if it gets damaged or dies? In this episode, Marshall Brain explains why it's important to back up your hard disk and weighs the advantages and disadvantages of three backup methods. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does bulletproof glass work?
Bullet-resistant glass, commonly referred to as ""bulletproof,"" is a special type of glass designed to resist bullets. Tune in to this episode to learn how different types of bullet-resistant glass work. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What does tear gas do?
You've probably heard of tear gas before, but did you know that Mace is a form of it? Learn more about the three commonly used types of tear gas -- how they work and what they're used for -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What are the fastest hard disks available today?
Hard disk drives and connections have been getting faster and faster. In this episode, Marshall discusses the evolution of the hard disk and the shockingly fast drives available today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why should you wash new clothes before wearing them?
Some clothes have tags that say "wash before wearing" or "wash separately." Find out why it's sometimes a good idea to wash new clothes before you wear them in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How cell phones work
Today's cell phones are amazingly compact, complex devices that provide a wide array of services. Discover the origins of these technological wonders, and the technology that makes them work, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does a toaster work?
Toasting is a tasty way to increase the durability of bread, and automatic toasters are a convenient way to make toast. Learn more about the chemical change that turns bread into toast and the mechanism behind toasters in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why do most cars use gasoline instead of diesel?
Diesel engines are more efficient than engines that run on gasoline, yet they've never really caught on in passenger cars in the United States. Discover the many reasons why diesel engines aren't the norm in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does Caller ID work?
Almost all cell phones have a capacity for caller ID, which identifies the phone number at the other end of a telephone connection -- but how does it work? Listen in as Marshall Brain breaks down the basics of this surprisingly simple technology. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Where did the hamburger get its name?
The word 'hamburger' seems to imply that pork is a main ingredient, but in fact, this famous beef sandwich got its name from a city. Learn more about the origins and spread of the hamburger in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What gives a Harley its distinctive sound?
A Harley Davidson motorcycle emits a very distinctive sound because of the unique way its engine works. Find out more in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Does drinking ice water burn calories?
When you drink cold water, your body exerts an effort to warm up the liquid and, in doing so, burns calories. So does that make drinking ice water an effective weight loss strategy? Find out in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What is the problem with MTBE in gasoline?
Some gasoline contains MTBE, or methyl tertiary butyl ether. Find out why MTBE is added to gasoline in the first place, and why it's no longer a popular additive, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why does a manual transmission make a whirring noise?
When manual transmissions are put in reverse, they produce a loud, whirring noise. What's the culprit? Gears. Marshall Brain explains how helical and spur gears work in manual transmissions in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What is the Strategic Petroleum Reserve?
The Strategic Petroleum Reserve is the world's largest emergency oil stockpile. But why do we have it? Where do we keep it? Find out why the United States created this reserve and where the oil is stored in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does the Radio Data System work?
The Radio Data System, or RDS, allows your radio to display information like song titles and radio station call signs. Find out how the RDS works in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does residential real estate work?
There are many different types of residential real estate: traditional houses, condos, mobile homes, etc. But what's the difference between these types? Marshall Brain breaks it down for you in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does the public option work?
In the current U.S. debate over health care reform, a government-sponsored public option has been a controversial topic. Tune in to this episode of BrainStuff to hear Marshall Brain explain the nuances and implications of the public option. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How can the grass on a golf course green be so perfect?
The greens on a golf course are famously smooth and perfect-looking, but how do they get that way? Discover how careful planning, the right ingredients and a whole lot of maintenance yield a flawless green in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why do they add iodine to salt?
Table salt contains iodine to help prevent thyroid problems and iodine deficiencies. Find out how table salt keeps your thyroid happy -- and what iodine has to do with a nuclear attack -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What does RSVP mean?
Most people are familiar with the concept of replying to a party invitation via R.S.V.P., but what exactly do those letters represent? Learn more about the origins and practices of etiquette in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does gravity work?
Gravity affects us every single day, but how does this oh-so-common force of nature work? Tune in to this podcast from HowStuffWorks.com to take a look at the nuts and bolts of gravity. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why is there a small hole on the top of spray can lids?
Many spray can lids have a tiny hole at the top. Check out this HowStuffWorks podcast to learn more about spray cans, shipping and air pressure. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why doesn’t the vacuum of space suck away Earth’s atmosphere?
It's often said that "nature abhors a vacuum." If that's true, then why doesn't the vacuum of space suck away our atmosphere? Tune in as Marshall Brain explains the science behind vacuums in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Replacing Toilets Work
A family of four can consume more than 300 gallons of water per day. Old toilets use 5 gallons per flush, and this water use quickly adds up. Check out this HowStuffWorks podcast and learn why cities across the US are replacing their old commodes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What do those plastic recycling symbols mean?
A typical recycling symbol on plastic looks like a triangle made of arrows. There are seven different types of plastic indicated by the symbols. Check out this HowStuffWorks podcast to learn the difference between each of these plastic types. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How does a Fresnel lens work?
The thin piece of plastic called a Fresnel lens solves some of the problems inherent in traditional magnifying lenses. Learn more about the benefits and weaknesses of Fresnel lenses in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.