Brainstuff

Tiny houses are part of a growing trend, but why would someone want an itty bitty house? In this episode, Marshall talks about the benefits and challenges of building a tiny home. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Nor'easters are storm systems that frequently occur in the eastern United States during winter. In this episode, Marshall explains where Nor'easters get their name, how they work and why some Nor'easters are more powerful than others. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Some AC-powered smoke detectors are wired to communicate with each other. So when one unit is triggered, all of the units go off. Find out how this intercommunication works in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Potato chips were invented in 1853 by an American cook named George Crum, and they've been a popular food item ever since. Learn more about George Crum and the evolution of the potato chip in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When people get a rash from poison ivy, their bodies are reacting to a chemical called urushiol. Check out this HowStuffWorks podcast to learn more about poison ivy rashes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Mood rings claim to reflect changes in your emotional state -- and, in a way, they do. Discover the science behind mood rings in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If you shone a flashlight beam from Earth, would you be able to see it from the moon? It depends. Find out why -- and get a lesson in how light works -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Tools that say "drop forged" have been created using a technique called drop forging. Find out how drop forging and several other kinds of forging work, and why drop forging is a sign of a sturdy tool, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A barbeque grill has a push-button lighter that relies on piezoelectricity to generate a spark. Learn more about how piezoelectricity works -- and the kinds of devices that use piezoelectric materials -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this episode of BrainStuff, Marshall reveals three common techniques for measuring the height of tall objects like towers. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

One night, Marshall went outside with a headlight lamp on his head and discovered that his backyard was full of sparkling reflections. What were these sparkles? Discover the surprising answer in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There are lots of articles and research on happiness these days, but what about unhappiness? What makes us unhappy, and will avoiding it make us happy? In this episode, Marshall points out three behaviors that are sure to create unhappiness. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When it comes to differentiating between hardwoods and softwoods, it's not a matter of hardness or density -- it's all about plant reproduction. Marshall explains what angiosperms and gymnosperms are in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.