Brainstuff
BrainStuff
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How Case Hardening Works
Steel is an amazing metal. Many different varieties of steel ...
Steel is an amazing metal. Many different varieties of steel exist, and some types of steel are better for certain tasks. Check out this HowStuffWorks podcast to learn how case hardening allows manufactures to get the best of multiple types of steel.
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How Inkjet Printers Work
Inkjet printers shoot extremely small droplets of ink -- thirty ...
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.
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How Polygraph Machines Work
Also known as 'lie detectors,' polygraphs are used to record ...
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.
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How V-chips Work
As of 1999, all TV sets sold in the Untied ...
As of 1999, all TV sets sold in the Untied States are required to contain a viewer-control chip, also known as a v-chip. Check out this HowStuffWorks podcast to learn more about v-chips and television ratings.
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How Replacing Toilets Works
A family of four can consume more than 300 galloons ...
A family of four can consume more than 300 galloons of water per day. Old toilets use 5 galloons 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.
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Can I see the stuff astronauts left on the moon?
Using a telescope to view the moon is fascinating -- ...
Using a telescope to view the moon is fascinating -- but could we see the leftovers of NASA's lunar expeditions? Check out this HowStuffWorks podcast to learn more about lunar landings and telescopes.
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How the Horizon Works
When you stand at the water's edge and look out ...
When you stand at the water's edge and look out toward the horizon, how far away can you actually see? Check out this HowStuffWorks podcast to learn more about the horizon and the curvature of Earth.
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How much fuel does an international airplane use for a trip?
A Boeing 747 uses approximately one galloon of fuel per ...
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.
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What are MP3 files and how do they work?
CDs store music using 44,100 16-bit digital samples per second, ...
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.
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How Sea Monkeys Work
Sea Monkeys are a type of brine shrimp. These shrimp ...
Sea Monkeys are a type of brine shrimp. These shrimp create remarkably resilient eggs called cysts. Check out this HowStuffWorks podcast and learn more about the secret behind Sea Monkeys.
