what's nano
![Woman smelling chocolate](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/12008/screen_shot_2013-09-18_at_1.07.59_pm.png?itok=_1Fj-1B0)
What’s Nano About Chocolate?
In this 30-second video, viewers quickly learn about nanosized particles and the sense of smell.
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![Lady in pink shirt stands in the path of a cluster of bubbles](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/12007/screen_shot_2013-09-18_at_1.07.49_pm.png?itok=Pu_72Awv)
What’s Nano About Bubbles?
In this 30-second video, viewers quickly learn about the rainbow of colors seen in bubbles.
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![Teen girl with braces in a pink shirt holds a large kale leaf](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2024-03/screenshot_2024-03-04_at_3.33.43_pm.png?h=998a70ec&itok=PZB_JqxB)
What’s Nano About Toilets?
In this 30-second video, viewers quickly learn how nanocoatings inspired by nature can keep things clean.
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![Person looking closely at a cup filled with dirty water](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/12005/screen_shot_2013-09-18_at_1.07.24_pm.png?itok=-OxbhvBp)
What’s Nano About Water?
In this 30-second video, viewers quickly learn how nanotechnology can filter pesticides and heavy metals out of water.
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