Why Are There Bubbles in my Day-Old Water?
Curiosity Weekly
Warner Bros. Discovery
4.6 • 964 Ratings
🗓️ 26 March 2021
⏱️ 13 minutes
🧾️ Download transcript
Summary
Learn about why bubbles appear in your water overnight; the “other-contingent extravert,” a new type of extravert that’s only outgoing in certain situations; and why food sticks to nonstick pans.
Bubbles in water left out overnight by Ashley Hamer (Listener question from Adam)
- Why do bubbles form if a glass of water is left alone for a while? (2006, February 6). Scientific American. https://www.scientificamerican.com/article/why-do-bubbles-form-if-a/
- Water Q&A: Why is my drinking water cloudy? (2021). Usgs.gov. https://www.usgs.gov/special-topic/water-science-school/science/water-qa-why-my-drinking-water-cloudy?qt-science_center_objects=0#qt-science_center_objects
- Zhang, S. (2015, August 18). Big Question: Why Does Tap Water Go Stale Overnight? Wired; WIRED. https://www.wired.com/2015/08/big-question-tap-water-go-stale-overnight/
This new type of extravert is only outgoing in comfortable situations by Kelsey Donk
- Study Identifies a New Type of Extravert. (2020). Psychology Today. https://www.psychologytoday.com/us/blog/social-instincts/202012/study-identifies-new-type-extravert
- Huang, J. L., & Wu, D. (2020). Other-contingent extraversion and satisfaction: The moderating role of implicit theory of personality. Journal of Individual Differences. Advance online publication. https://doi.org/10.1027/1614-0001/a000339
- MacDonald, F. (2016). The Science of Introverts vs Extroverts. ScienceAlert. https://www.sciencealert.com/the-science-of-introverts-vs-extroverts
Scientists discovered why food sticks to nonstick pans by Cameron Duke
- Why food sticks to nonstick frying pans. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-02/aiop-wfs012921.php
- Fedorchenko, A. I., & Hruby, J. (2021). On formation of dry spots in heated liquid films. Physics of Fluids, 33(2), 023601. https://doi.org/10.1063/5.0035547
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Transcript
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| 0:00.0 | Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Curiosity.com. |
| 0:06.5 | I'm Cody Goff. |
| 0:07.5 | And I'm Ashley Hamer. |
| 0:08.5 | Today we'll answer a listener question about bubbles that appear in your water glass overnight. |
| 0:12.8 | Then you'll learn about a new type of extrovert |
| 0:15.0 | that's only outgoing in certain situations, |
| 0:17.8 | and why food sticks to non-stick pans. |
| 0:21.0 | Let's satisfy some curiosity. |
| 0:23.8 | We got a listener question from Adam who writes, when I leave a glass full of water on my desk |
| 0:29.0 | overnight, I wake up to find countless tiny bubbles along the walls of the glass. |
| 0:34.0 | I thought that maybe you could help to explain what's going on inside my glass of water overnight. |
| 0:38.8 | Is the O and my H-2-0 trying to escape? |
| 0:41.6 | Great question. The simple answer is, kind of yeah. Those bubbles are gases escaping |
| 0:48.8 | from your water. See, oxygen, nitrogen, and other gases in the atmosphere can dissolve in water. |
| 0:56.0 | But how much they dissolve depends on a couple of factors. |
| 1:00.0 | Temperature is one. |
| 1:02.0 | Gas dissolves more easily in cold water than in warm water. |
| 1:05.3 | Pressure is another. The higher the pressure, the more gas can dissolve. |
| 1:09.7 | Now think about the difference between the water that comes out of your tap and a glass of water that's been sitting out overnight. |
| 1:18.0 | The stuff that comes out of your tap is usually cold because it comes from pipes underground. |
| 1:23.0 | It's also pressurized inside those pipes. |
| 1:26.0 | Otherwise, it wouldn't be able to make the journey to your tap. |
... |
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