Brainstuff

Informações:

Synopsis

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

Episodes

  • How Car Thermostats Work

    06/03/2009 Duration: 02min

    Any liquid-cooled car engine has a thermostat that blocks the flow of coolant to the radiator. Learn how the thermostat works to reduce wear, deposits and emissions in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • Why can boats float on water?

    04/03/2009 Duration: 03min

    If a boat weighs 1,000 pounds, it will sink into the water until it displaces 1,000 pounds of water. Tune in to learn how the shape of a boat allows it to displace enough water to float in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • How the Virtual First-Down Line Works

    02/03/2009 Duration: 04min

    Virtual first down lines are used to indicate where play resumes in football -- but how do they work? Listen in as Marshall Brain explains how the technology superimposes a virtual line in this podcast on HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • What is dioxin?

    25/02/2009 Duration: 03min

    Dioxin is an organic chemical that consists of benzene, oxygen and chlorine. This chemical is also toxic. Tune in to learn more about dioxin and Agent Orange in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • How Activated Charcoal Works

    20/02/2009 Duration: 02min

    If you look on the label of a water filter, you'll often see the filter contains activated charcoal -- but what exactly is this stuff? Tune in as Marshall Brain explains the nature of activated charcoal in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • How does SETI at home work?

    11/02/2009 Duration: 04min

    SETI -- the Search for Extraterrestrial Intelligence -- is an enormous, global undertaking meant to detect signs of life beyond our solar system. Learn how you can help from home in this podcast from HowStuffWorks. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • What is silica gel?

    02/02/2009 Duration: 02min

    Everyone's familiar with those little packets of silicate gel, found in thousands of products -- but what exactly do they do? Check out this HowStuffWorks podcast and learn more about silica gel. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • Why doesn't the vacuum of space suck away Earth's atmosphere?

    30/01/2009 Duration: 03min

    It's often said that "nature abhores 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://news.iheart.com/podcast-advertisers

  • How Vacuums Work

    15/12/2008 Duration: 02min

    If a balloon was filled by a vacuum -- rather than helium or air -- would it float? Check out this HowStuffWorks podcast to learn the science behind balloons and vacuum. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • What is an MRE?

    12/12/2008 Duration: 02min

    An MRE -- or meal ready to eat -- contains precooked, sterilized food originally made to nourish soldiers. Check out this HowStuffWorks podcast to learn more about the retort packaging that makes MREs possible. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • How Polygraph Machines Work

    03/12/2008 Duration: 02min

    Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth. Check out this podcast from HowStuffWorks to learn more about polygraphs and the art of lie detection. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • How much fuel does an international airplane use for a trip?

    21/11/2008 Duration: 02min

    A Boeing 747 uses approximately one galloon of fuel per second -- over the course of a ten hour flight, it might burn 36,00 galloons of fuel. How does this compare to a car? Check out this HowStuffWorks podcast to learn more about airplane mileage. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • What are MP3 files and how do they work

    19/11/2008 Duration: 02min

    CDs store music using 44,100 16-bit digital samples per second, adding up to about 10 megabytes per minute -- and that's too large to move easily move across the internet. Check out this HowStuffWorks podcast to learn how MP3 files solve this problem. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • Why do apples and potatoes turn brown when you slice them?

    10/10/2008 Duration: 02min

    All cells contains thousands of enzymes, and each of these enzymes is necessary for the cell. Check out this HowStuffWorks podcast to learn which enzymes cause apples and potatoes to turn brown upon exposure to oxygen. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • What is an anti-siphon valve?

    08/10/2008 Duration: 04min

    In houses with a built-in sprinkler system, anti-siphon valves prevent pesticides, pet waste, and other contaminants from polluting the home's water source. Check out this HowStuffWorks podcast to learn more about anti-siphon valves. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • How a GFCI outlet works

    03/10/2008 Duration: 01min

    A normal 120 volt outlet in the US has two vertical slots and a role hole centered below the slots -- the outlets with a pair of red and black 'test' and 'reset' buttons are known as GCFI outlets. Check out this HowStuffWorks podcast to learn more. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • Could anti-lock brakes detect a flat?

    29/09/2008 Duration: 03min

    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. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • How Gun Silencers Work

    22/09/2008 Duration: 02min

    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://news.iheart.com/podcast-advertisers

  • How Heart Bypass Operations Work

    19/09/2008 Duration: 03min

    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. Take a look at our HowStuffWorks article to Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

  • What is the difference between jelly jam and preserves? And What is Jello?

    12/09/2008 Duration: 02min

    Jam, jelly, and preserves are all made from fruit mixed with sugar and pectin. Jell-O, on the other hand, is completely different. Take a look at our HowStuffWorks article to learn more. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

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