Brainstuff
BrainStuff
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Why do batteries die but then come back to life?
Batteries, particularly car batteries, seem to go dead and then ...
Batteries, particularly car batteries, seem to go dead and then come back to life after a resting period. How does this self-recharging feature of batteries work? Find out in this episode of BrainStuff.
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Why does your computer need a battery?
Computers have a small battery that's important because it keeps ...
Computers have a small battery that's important because it keeps the machine's clock running -- and sometimes, your computer. Get the goods on computer batteries in this podcast from HowStuffWorks.com.
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How did the moon get there?
The moon has orbited over human civilization since the dawn ...
The moon has orbited over human civilization since the dawn of time, but it took us thousands of years to figure out how it actually got there. Tune in as Marshall Brain examines the formation of the moon.
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How many calories does a person need daily?
The amount of calories a person needs to consume on ...
The amount of calories a person needs to consume on a daily basis varies by individual. Discover the three factors that can help you determine your daily caloric needs in this episode of BrainStuff.
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What is the battery light on your car's dashboard for?
Cars rely on batteries to keep their electrical parts running ...
Cars rely on batteries to keep their electrical parts running and alternators to keep their batteries alive. Battery lights come into play when there's a charging problem. Find out more about battery lights in this podcast from HowStuffWorks.com.
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How do self-driving cars work?
Self-driving cars seem like the stuff of science fiction, but ...
Self-driving cars seem like the stuff of science fiction, but they're closer to becoming reality than you might think. In this episode, Marshall breaks down the technology behind experimental self-driving cars.
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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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Why does the moon look bigger when it's near the horizon?
When the moon is near the horizon, it appears to ...
When the moon is near the horizon, it appears to be much bigger than when it's high in the sky. But is it really larger? Tune in to find out.
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How do the Northern Lights work?
The Northern Lights, also known as the aurora borealis, occur ...
The Northern Lights, also known as the aurora borealis, occur when charged electrons from the sun interact with the Earth's magnetic field. Learn more about auroras and solar activity in this episode.
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What does "not guilty by reason of insanity" mean?
Claiming the "insanity defense" in fictional courts of law is ...
Claiming the "insanity defense" in fictional courts of law is common and seems pretty straightforward; in real life, it's much more rare and complex. Discover the legal definition of "insanity" -- and how it relates to mental illness -- in this episode.
