Chemistry For Your Life

• How does *color* film photography work??

  In this continuation of our two-part series, Melissa and Jam dive into the intriguing chemistry behind color film and Polaroid photography. The episode picks up from the previous discussion on black and white film, focusing on color theory and how it applies to both traditional and instant photography. Listeners will learn about the science of additive and subtractive colors, how multiple layers of dye-sensitized silver halide work together to capture images, and the unique processes involved in developing these images. For those fascinated by the intersection of chemistry and photography, this episode is a must-listen. 00:00 Introduction and Recap 01:42 Understanding Color Theory 05:08 Additive and Subtractive Colors 07:00 Color Photography Basics 08:45 Film Development Process 13:03 Negative and Positive Images 17:33 Practical Applications and Examples 23:28 Understanding Negative Images in Photography 24:26 Principles of Color Photography 25:22 Exploring Color Negatives and Filters 27:14 Layers and Sensitizers in Color Film 29:51 The Development Process of Color Film 34:22 Introduction to Polaroid Photography 35:20 The Chemistry Behind Polaroid Development 40:06 Fascination with Photography and Color Theory 40:50 Favorite Black and White TV Shows 44:12 Closing Remarks and Community Shoutouts ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife References from this episode: https://pubs-acs-org.libproxy.library.unt.edu/doi/epdf/10.1021/ed052p622?ref=article_openPDF https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/acs.jchemed.6b00400 https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/ed081p694 https://edu.rsc.org/experiments/making-a-photographic-print-using-silver-chloride/454.article https://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/articlesbytopic/metals%20and%20nonmetals/chemmatters-feb2006-digital-photo.pdf https://www.researchgate.net/profile/Rolf-Steiger/publication/279964154_CHEMICAL_SENSITIZATION_OF_SILVER_BROMIDE/links/5a7d8b55aca272341aef2f6f/CHEMICAL-SENSITIZATION-OF-SILVER-BROMIDE.pdf https://www.acs.org/education/celebrating-chemistry-editions/2024-ncw/chemistry-of-polaroids.html https://cen.acs.org/articles/87/i12/Instant-Film.html https://www.acs.org/education/whatischemistry/landmarks/land-instant-photography.html https://pubs-acs-org.libproxy.library.unt.edu/doi/epdf/10.1021/ed051p72?ref=article_openPDF Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

  --------  

  49:40

  --------

  49:40
• Ask a Chemist: Is Baking Soda and Vinegar a Cleaning Myth? (And other questions)

  Melissa and Jam tackle a variety of questions and corrections from their listeners. They dive into topics such as the effectiveness of baking soda and vinegar as cleaning agents, the science behind kombucha carbonation, the structural differences in Panko breadcrumbs, and how polymer clays harden in the oven versus air dry clay. They also explore fun anecdotes from the community about glow-in-the-dark items and discuss how Monster energy drinks can explode when frozen. The episode provides valuable insights into everyday chemistry while addressing common myths and misconceptions. 00:00 Introduction and Teasers 00:34 Corrections and Community Feedback 02:14 Kombucha Fermentation Discussion 10:31 Baking Soda and Vinegar Cleaning Debate 15:45 Adhesives for Panko Breadcrumbs 16:59 Greek Yogurt and Panko Breadcrumbs Recipe 18:02 The Science Behind Panko Breadcrumbs 19:10 Ozone Layer and COVID-19 Impact 21:43 Exploding Monster Energy Drinks 23:44 Mel's Research and Published Articles 25:23 Polymer Clays and Air Dry Clays 26:50 Alternative Career Choices 31:30 Listener Anecdotes and Community Engagement 34:51 Supporting the Show and Final Thoughts ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

  --------  

  36:21

  --------

  36:21
• What is the chemistry of film photography?

  Melissa and Jam delve into the fascinating chemistry behind film photography. They reminisce about their childhood experiences with analog cameras and discuss the shift to digital cameras. Melissa, a chemist, explains the complex chemical processes involved in capturing and developing photos on film, focusing on the role of light-sensitive silver bromide. The episode also includes shout-outs to community members who spurred the topic and closes with personal stories and favorite film photos. Get ready to explore the intersection of chemistry and photography while revisiting nostalgia from the days of film cameras. 00:00 Nostalgia: From Film to Digital Cameras 00:38 The Shift to Digital Photography 01:52 Introduction to the Podcast 02:01 Shoutouts and Listener Requests 12:32 The Chemistry Behind Film Photography 28:03 Amplifying the Latent Image 28:24 Creating the Negative 29:11 Fixing the Image 29:51 Understanding the Negative 30:30 Inverting the Negative 31:15 Early Photography Challenges 32:12 Explaining the Process 33:21 Chemical Reactions in Film Development 34:44 Scanning and Developing Film 41:15 Personal Film Photography Stories 51:29 Supporting the Show ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife References from this episode: https://pubs-acs-org.libproxy.library.unt.edu/doi/epdf/10.1021/ed052p622?ref=article_openPDF https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/acs.jchemed.6b00400 https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/ed081p694 https://edu.rsc.org/experiments/making-a-photographic-print-using-silver-chloride/454.article https://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/articlesbytopic/metals%20and%20nonmetals/chemmatters-feb2006-digital-photo.pdf https://www.researchgate.net/profile/Rolf-Steiger/publication/279964154_CHEMICAL_SENSITIZATION_OF_SILVER_BROMIDE/links/5a7d8b55aca272341aef2f6f/CHEMICAL-SENSITIZATION-OF-SILVER-BROMIDE.pdf https://www.acs.org/education/celebrating-chemistry-editions/2024-ncw/chemistry-of-polaroids.html https://cen.acs.org/articles/87/i12/Instant-Film.html https://www.acs.org/education/whatischemistry/landmarks/land-instant-photography.html https://pubs-acs-org.libproxy.library.unt.edu/doi/epdf/10.1021/ed051p72?ref=article_openPDF Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

  --------  

  55:28

  --------

  55:28
• What gives curly hair its curl?

  #027 Rebroadcast Originally Published January 23, 2020 This week, Melissa and Jam dive into the chemistry of something that may not seem like chemistry at first: hair. Curly hair to be specific. What makes hair curl? Also what is hair in the first place? Why can hair be so radically different? Alright curly girls, curly guys, and curly folks, let's find out. ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife   References from this episode Biochemistry, Edition 4 - Garret and Grisham The Chemistry of Hair - C. S. Whewell, Ph.D., F.R.I.C., F.T.I. The Science of Curls -  Leidamarie Tirado-Lee Bad Hair Days? Chemistry to the Rescue - Marlene M. Gutierrez     Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife  

  --------  

  28:18

  --------

  28:18
• Are organic vegetables healthier for you?

  Melissa and Jam dive into the definition and implications of organic foods. They explore what organic means according to USDA standards, dissect common misconceptions about pesticide use, and discuss whether organic produce is actually healthier. This detailed analysis includes Melissa's scientific research process and draws on trusted sources to clarify the nuanced debate around organic foods. Learn about the importance of fruit and vegetable intake, regardless of whether they are organic, and get practical tips for washing produce to minimize pesticide residue. 00:00 Introduction and Recap 00:21 Discussing Organic Foods 00:46 Podcast Setup and Personal Anecdotes 01:41 Health and Diet Insights 04:12 Research and Credibility 07:59 Understanding Organic Standards 22:34 Organic Pesticides and Misconceptions 26:11 Scientific Pettiness and Review Articles 27:41 Engaging Media and Petty Scientists 29:19 Pesticide Residues in Organic vs. Non-Organic Foods 35:14 Nutritional Content of Organic Foods 38:44 Health Impacts and Misconceptions 43:47 Practical Advice and Final Thoughts 55:12 Listener Questions and Community Support ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife References from this episode: https://pmc-ncbi-nlm-nih-gov.libproxy.library.unt.edu/articles/PMC5837313/ https://www.cancer.gov/news-events/cancer-currents-blog/2020/colorectal-cancer-rising-younger-adultshttps:// www.cdc.gov/nchs/fastats/leading-causes-of-death.htmhttps:// www.aap.org/en/patient-care/environmental-health/promoting-healthy-environments-for-children/food-safety/https://pubs.acs.org/doi/10.1021/cen-v078n011.p011 https://pmc-ncbi-nlm-nih-gov.libproxy.library.unt.edu/articles/PMC7019963/#notes3 https://pmc-ncbi-nlm-nih-gov.libproxy.library.unt.edu/articles/PMC7146625/ https://pmc-ncbi-nlm-nih-gov.libproxy.library.unt.edu/articles/PMC7146577/ https://pmc-ncbi-nlm-nih-gov.libproxy.library.unt.edu/articles/PMC3546364/ https://www.acpjournals.org/doi/10.7326/0003-4819-157-5-201209040-00007 https://www.acpjournals.org/doi/10.7326/0003-4819-158-4-201302190-00018 https://www.acs.org/education/chemmatters/past-issues/archive-2013-2014/genetic-organic-food.html https://www.johnson.k-state.edu/programs/lawn-garden/agent-articles-fact-sheets-and-more/agent-articles/environment/organic-does-not-mean-pesticide-free.html https://www-sciencedirect-com.libproxy.library.unt.edu/topics/agricultural-and-biological-sciences/pesticide-residue https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/jf103902t Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

  --------  

  57:52

  --------

  57:52

More Science podcasts

Trending Science podcasts

About Chemistry For Your Life