TEDx Talks - 科学は思っているより身近！〜日常から触れる科学の楽しさ〜 | Miki IGARASHI （五十嵐 美樹） | TEDxSophia U
The speaker uses a fun experiment to demonstrate how shaking cream in a bottle can turn it into butter, highlighting the physical process where protein membranes break and fats solidify. This experiment is used to illustrate the joy and creativity in science, encouraging viewers to try it at home. The speaker shares personal stories about how engaging with science creatively, such as dissolving a silver ring, can make scientific concepts more relatable and memorable. They emphasize the importance of making science accessible and enjoyable, especially for women in STEM fields, and share their efforts to inspire students through public talks and social media. The speaker's work has gained significant attention, including international recognition, for breaking barriers between science and other fields like dance.
Key Points:
- Shaking cream in a bottle can turn it into butter due to protein and fat reactions.
- Engaging with science creatively can make it more relatable and memorable.
- The speaker uses personal stories to illustrate the fun and impact of science.
- Efforts are made to inspire more women to pursue STEM fields.
- The speaker's innovative approach has gained international recognition.
Details:
1. 🎄 Christmas Spirit & Creamy Experiments
1.1. 🎄 Christmas Spirit
1.2. Creamy Experiments
2. 🧈 Butter Making: From Cream to Dance
- The butter-making process involves shaking a bottle containing cream vigorously, which breaks the protein membranes and causes fat to clump together, forming butter. This transformation is both a physical and chemical process.
- The vigorous shaking is crucial for the cream to transform into butter, requiring sustained effort.
- A demonstration combines the vigorous shaking action with dancing to effectively achieve the necessary motion, illustrating the process in an engaging manner.
3. 🔬 Science Fun: Butter Results & More
- The experiment demonstrated a simple DIY method to make butter by shaking cream in a bottle.
- Vigorous shaking is crucial for the cream to solidify into butter, illustrating the concept of phase transition.
- The activity can be replicated at home using cream and a plastic bottle, adding an element of fun by incorporating dancing while shaking.
- This process serves as a practical example of how physical agitation can cause emulsification, a key concept in food science.
4. 🌈 My Science Journey: From Curiosity to Passion
- The speaker initially did not have a strong interest or aptitude in science during childhood.
- A pivotal moment occurred when a middle school science teacher performed an experiment with rainbows, demonstrating the physical phenomenon.
- The realization that everyday occurrences like rainbows could be explained scientifically was profoundly impactful.
- This experience inspired the speaker to pursue further education in science, eventually enrolling in a university's science faculty.
5. 🎓 Promoting Science Education in Japan
- In the 2019 TIMSS (Trends in International Mathematics and Science Study), Japan's elementary and junior high school students scored at top levels in science.
- Despite high scores, Japanese junior high students' interest in science falls below the international average when asked if they find science fun or useful.
- To address this, the speaker believes in expressing the wonder of science in a way that reaches both those already interested and those indifferent, regardless of their environment.
6. 🌍 Achieving Global Recognition through Dance & Science
- The Dancing Butter Shake experiment was transformed into a science show performed at various commercial facilities and festivals across the country.
- The related post was viewed over 2.5 million times on platform X, garnering significant public response.
- The initiative successfully bridged the gap between science and dance, leading to recognition at the Falling Walls Science Breakthroughs of the Year event in Berlin, Germany.
- This achievement marked the first time a Japanese individual was selected among the top 20 in the world at this event.
- The success was attributed to the ability to express personal interests and creativity authentically.
7. 💍 Personal Life Meets Science: A Silver Ring Experiment
- The integration of science into personal life is a crucial theme for the speaker.
- The speaker decided to melt a silver ring received from an ex-boyfriend, thinking it was unnecessary.
- Initial attempts to dissolve the ring in nitric acid revealed that over 80% of the ring did not dissolve, indicating it was not pure silver.
- The remaining material consisted of metals like iron, aluminum, and nickel, which were dissolved using aqua regia, leaving behind a mysterious plastic base.
- The experience was shared in a video that received over 7.5 million views on platform X.
- This experiment helped people better understand metal properties and left a lasting impression on viewers.
- The personal story connected everyday life with textbook chemistry concepts, sparking interest and curiosity in the audience.
8. 🌟 Inspiring the Next Generation of Women in STEM
- Japan ranks lowest among OECD countries in terms of the percentage of women pursuing scientific fields, highlighting a significant gender disparity.
- In a specific university department, the male-to-female ratio is 9:1, with only 10% female students, indicating a need for targeted interventions.
- Inspired by STEM initiatives in Santa Barbara, the speaker has actively engaged in public speaking, mentorship, and media outreach to inspire Japanese youth.
- Initiatives include nationwide school visits, interviews, and podcasting to make science more accessible to diverse backgrounds.
- The strategic goal is to expand opportunities for youth engagement in science, aiming to diversify gender representation in STEM.
9. 🔗 Bringing Science into Everyday Life
- Science can be found in various aspects of daily life, indicating that it is not only a subject of study but also an enjoyable part of everyday living.
- The speaker emphasizes the importance of recognizing science in our daily activities and experiences, which can also be shared through platforms like social media.
- There is a desire for people to reflect on their everyday experiences and identify elements of science within them, enhancing appreciation and engagement with science.
- The speaker encourages continued exploration and enjoyment of science, aiming to foster a community that values and shares scientific perspectives.