How Night Vision Works

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How Night Vision Works

FromBrainStuff

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Length:

3 minutes

Released:

Oct 5, 2015

Format:

Podcast episode

Description

Although the human eye is able to adapt to wildly different environments, it takes a certain amount of time to adjust to sudden changes in light. Learn more about the chemicals powering the human eye in this HowStuffWorks podcast. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Released:

Oct 5, 2015

Format:

Podcast episode

Titles in the series (100)

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.

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What is the Difference Between a Carat and a Karat?: Carats are used for diamonds, while karats are used for gold. Learn more about the difference between carats and karats in this HowStuffWorks podcast. by BrainStuff
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How Catapults Works: There are three different technologies that fall into the catapult category: the ballista, the trebuchet and the catapult. Check out this HowStuffWorks podcast to learn more about the differences between catapult technologies. by BrainStuff
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How Uninterruptible Power Supplies Work: An uninterruptible power supply protects computers against surges, spikes, sags, and total power failure. Check out this HowStuffWorks podcast to learn more about uninterruptible power supplies. by BrainStuff
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How Vacuums Work: 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. by BrainStuff
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How Fountains in Rome Work: Built before the invention of electric pumps, fountains in Rome were powered through an ingenious system of gravity, cisterns, and aqueducts. Learn more about fountains in Rome in this HowStuffWorks podcast. by BrainStuff
1 min listen
Is there a way to make my sunglasses scratch-resistant?: Sunglasses have various special coatings: Some are reflective, while others are scratch-resistant. In this episode, Marshall explains how these different coatings work. by BrainStuff
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How 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. by BrainStuff
2 min listen
How gas pumps work: Next time you're filling up your tank at a gas station, ask yourself this: how does the nozzle know when the tank is full? Learn more about gas pumps in this HowStuffWorks podcast. by BrainStuff
2 min listen
Marshall Brain's News Roundup: April 1st, 2011: With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. by BrainStuff
12 min listen
Why the Sky is Blue?: As sunlight passes through the atmosphere, particles in the air scatter blue light more efficiently than any other color in the light spectrum, creating a blue sky. Learn more about the sky and light in this Brainstuff podcast. by BrainStuff
2 min listen
How much fuel does an international airplane use for a trip?: 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. by BrainStuff
2 min listen
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4 min listen
Do the humps on camels hold water?: The camel's hump is a giant deposit of fat that lets the camel survive up to 2 weeks without food. Learn more about camels in this HowStuffWorks podcast. by BrainStuff
2 min listen
Is it harmful to breathe 100 percent oxygen?: Oxygen is a necessary component of the air we breathe; but in its pure form, it can be hazardous to one's health. Marshall Brain explains how breathing pure oxygen harms the human body in this episode. by BrainStuff
4 min listen
How the Virtual First-Down Line Works: 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. by BrainStuff
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Can grilling meat really cause cancer?: Lots of people like to grill their meat, but this popular cooking method has been linked to cancer. Discover how chemical reactions make grilled meat potentially carcinogenic in this podcast from HowStuffWorks.com. by BrainStuff
2 min listen
How the Corvette ZR1 Works: The 2009 Corvette ZR1 combines several technical innovations to produce a turbo-charged, eight-cylinder engine. Learn more about the Corvette ZR1 in this HowStuffWorks podcast. by BrainStuff
2 min listen
Marshall Brain's News Roundup No. 1: What's the deal with the UFO sighting in Jerusalem? Will the high schools of the future be filled with telepresence robots? Tune in and join Marshall Brain as he reviews the week's most fascinating news. by BrainStuff
12 min listen
How Breathing in a Submarine Work: For air in a submarine to remain usable, three things must happen: The oxygen must be replenished as it is consumed, the carbon dioxide must be removed from the air, and the moisture in human breath must also be removed. by BrainStuff
2 min listen
Marshall Brain's News Roundup: April 15th, 2011: With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. by BrainStuff
17 min listen
How Activated Charcoal Works: 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. by BrainStuff
2 min listen
How Car Thermostats Work: 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. by BrainStuff
2 min listen
Anti-reflective Coatings: Anti-reflective coatings are used to eliminate any light reflective off the back of the lenses. Learn about anti-reflective coatings in this BrainStuff episode. by BrainStuff
4 min listen
How a GFCI outlet works: 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. by BrainStuff
1 min listen
What causes the banging noise in my home's pipes?: The problem of pipes banging on a wall is often called "water hammer." Check out this HowStuffWorks podcast to learn more about this phenomenon. by BrainStuff
2 min listen
What is the coolest stuff from the 2011 edition of CES?: When it came to gadgets, the 2011 Consumer Electronics Show did not disappoint. But which new products were the coolest? Tune in as Marshall Brain breaks down the latest and greatest of the CES in this podcast. by BrainStuff
8 min listen

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How Night Vision Works

How Night Vision Works

Description

Titles in the series (100)

More Episodes from BrainStuff

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