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Should you rinse your dishes before placing them in the dishwasher? - Rachel Yang

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434 Questions Answered

TEDEd Animation

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After years of hosting lavish dinner parties and watching her dishware get chipped during handwashing, American socialite Josephine Cochrane was convinced the world needed a better way to clean dishes. So, she built a prototype for a dishwashing contraption. And the design would become the model for our modern dishwashers. So, how do they work? Rachel Yang takes a look inside the machine.

Additional Resources for you to Explore

Curious to learn more about Josephine Cochrane’s journey in inventing the first dishwasher? This resource from the US Patent Office delves deeper into the history, and you can even see her patent yourself at this link.

To delve deeper into the mechanics of how dishwashers work, read this explainer or this article. For more info about turbidity sensors in particular, check out this article. If you want to learn more about how detergents work, read about the science of surfactants and enzymes.

Besides washing dishes, dishwashers can often also dry dishes and there are many different drying methods. Learn more about how drying works from this link.

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Meet The Creators

Educator
Rachel Yang
Director
Aaron Augenblick, Augenblick Studios
Narrator
Bethany Cutmore-Scott
Sound Designer
Aaron Augenblick
Director of Production
Gerta Xhelo
Produced by
Sazia Afrin
Editorial Director
Alex Rosenthal
Editorial Producer
Shannon Odell
Fact-Checker
Charles Wallace

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