Brainstuff
BrainStuff
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How do one-way mirrors work?
One-way mirrors are ubiquitous in crime dramas, but how do ...
One-way mirrors are ubiquitous in crime dramas, but how do they work? Discover the secret behind one-way mirrors in this episode of BrainStuff.
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How do torpedo engines work if they're underwater?
Torpedo engines rely on special methods of propulsion to operate ...
Torpedo engines rely on special methods of propulsion to operate underwater. Find out what they are in this episode of BrainStuff.
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How do kosher foods work?
In this episode of BrainStuff, Marshall Brain gives a detailed ...
In this episode of BrainStuff, Marshall Brain gives a detailed explanation of the Jewish dietary laws and preparations that make foods "kosher" and "pareve."
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How do photochromatic lenses work?
Photochromatic lenses darken when exposed to the sun. Discover where ...
Photochromatic lenses darken when exposed to the sun. Discover where these lenses came from, how they work and why they're commonly referred to as "transition" lenses in this episode of BrainStuff.
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How does a movie clapperboard work?
A movie clapperboard isn't just a placemarker; this device helps ...
A movie clapperboard isn't just a placemarker; this device helps movie makers synchronize a movie's audio and video elements. Find out how a traditional movie clapperboard works, as well as a digital one, in this episode of BrainStuff.
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Can cans and string really be used like a telephone?
You've probably heard of this trick before: Connecting two cans ...
You've probably heard of this trick before: Connecting two cans with a piece of string in the bottom of each can will supposedly allow people to speak over a distance to one another. Tune in as Marshall Brain explains how it works in this episode.
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How do jet engines start?
If you've ever watched a jet engine start, you've probably ...
If you've ever watched a jet engine start, you've probably noticed that the blades begin to rotate slowly before spinning up to full speed -- but why? Listen in as Marshall Brain breaks down the science behind jet engines in this episode.
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How does Caller ID work?
Almost all cell phones have a capacity for caller ID, ...
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.
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How does Christmas work?
Christmas is the biggest holiday on the American calendar -- ...
Christmas is the biggest holiday on the American calendar -- but how did it get this way? Travel back in time with Marshall Brain as he explores the evolution of Christmas in this special holiday episode.
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Why doesn't gasoline burn cleanly?
Since gasoline is a liquid formed of carbon and hydrogen, ...
Since gasoline is a liquid formed of carbon and hydrogen, it's possible to trace the chemical reactions in car exhaust and understand what types of pollutants are created by a car's engine. Tune in and learn more about the science behind burning gas.
