BrainStuff

Latest Episodes:

To maximize happiness, what should you spend money on? Aug 07, 2015

Show notes

They say that money can't buy happiness, but it can definitely contribute to your well-being. So what exactly should you spend your money on to maximize your happiness? Stuff? Experiences? Marshall Brain investigates in this episode.

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What is a vactrain? Aug 05, 2015

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Vactrains may be the next big thing in the evolution of high-speed transportation. In this episode, Marshall explains how vactrain systems will work, how close they are to becoming reality and the potential they have to impact global transportation.

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How does asphalt work, and where does it come from? Aug 03, 2015

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Asphalt is an extremely common, oil-derived material that's used to pave a majority of roads in the United States. Tune in to learn more about asphalt.

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How does red eye in photographs work? Jul 31, 2015

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The flash of a camera is bright enough to cause a reflection off the human retina -- the red we see in these photos comes from the blood vessels in the eye. Learn more about red eyes and cameras in this HowStuffWorks podcast.

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How Do Submarines Work? Jul 29, 2015

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Submarines use oxygen generators to create oxygen from water. Learn more about oxygen in submarines in this HowStuffWorks podcast.

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How Starting A Car in Cold Weather Works Jul 27, 2015

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Cars are hard to start during cold weather for three reasons: gasoline evaporates less in cold temperatures, oil gets thicker in the cold, and the chemical reactions in cold batteries are slower than normal.

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How hair length works Jul 24, 2015

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As hair cells form in follicles, they push other cells out of the follicle. Check out this HowStuffWorks podcast to learn more about your hair's growth and rest phases.

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How are old black and white movies colorized? Jul 22, 2015

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Adding color to black and white movies is incredibly tedious. To speed up the process, the coloring is done on a computer, using a digital version of the film. Learn more about colorization in this HowStuffWorks podcast.

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Why doesn't paper money disintegrate in the washing machine? Jul 20, 2015

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Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resistant in this podcast from HowStuffWorks.

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What would happen on a carousel moving at the speed of light? Jul 17, 2015

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If you could spin a carousel fast enough, would time stand still for the people on the carousel? Theoretically, it's a reasonable assumption. Join Marshall Brain as he breaks down the speed of light and time in this podcast from HowStuffWorks.com.

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