# Event Details

- **Event Name**: Seminar by Professor Gil ARIEL (Bar Ilan University)
- **Event Start and End Date**: Fri, 18 Jul, 2025 at 10:30 am – Fri, 18 Jul, 2025 at 11:30 am
- **Event Description**: Entropy production quantifies irreversibility in stochastic systems and has been shown to be related to heat dissipation and the amount of extractable work in active systems. However, measuring entropy production in experiments is challenging due to the effectively high dimensionality of the problem. We consider two well-studied examples of living active systems - swarming bacteria and human bronchial epithelial cells. We show that topological defects in the cells' orientation field can be used as physically intuitive, coarse graining of the dynamics. The entropy production of defect trajectories can be measured using direct statistical methods, revealing that defect creation and annihilation are not reversible and act as a major source of entropy production.
- **Event URL**: https://allevents.in/hong-kong/seminar-by-professor-gil-ariel-bar-ilan-university/200028467998059
- **Event Categories**: workshops
- **Interested Audience**: 
  - total_interested_count: 2

## Ticket Details


## Event venue details

- **city**: Hong Kong
- **state**: HK
- **country**: Hong Kong
- **location**: Rm 311, Science Centre North Block, The Chinese University of Hong Kong
- **lat**: 22.29912
- **long**: 114.17223
- **full address**: Rm 311, Science Centre North Block, The Chinese University of Hong Kong, 90 Nathan Rd, Tsim Sha Tsui, Kowloon, Hong Kong SAR, Hong Kong, Hong Kong

## Event gallery

- **Alt text**: Seminar by Professor Gil ARIEL (Bar Ilan University)
  - **Image URL**: https://cdn-az.allevents.in/events2/banners/9ad88dafaf5350985d00f1759222da13096c8ce626f72c6c257710586dffe2ec-rimg-w1200-h1708-dcffffff-gmir?v=1752553891

## FAQs

- **Q**: When and where is Seminar by Professor Gil ARIEL (Bar Ilan University) being held?
  - **A:** Seminar by Professor Gil ARIEL (Bar Ilan University) takes place on Fri, 18 Jul, 2025 at 10:30 am to Fri, 18 Jul, 2025 at 11:30 am at Rm 311, Science Centre North Block, The Chinese University of Hong Kong, 90 Nathan Rd, Tsim Sha Tsui, Kowloon, Hong Kong SAR, Hong Kong, Hong Kong.
- **Q**: Who is organizing Seminar by Professor Gil ARIEL (Bar Ilan University)?
  - **A:** Seminar by Professor Gil ARIEL (Bar Ilan University) is organized by Department of Physics, CUHK 香港中文大學物理系.
- **Q**: Who is this event for? Is it right for me?
  - **A:** Seminar by Professor Gil ARIEL (Bar Ilan University) is ideal for curious learners, students, and skill-builders looking to gain hands-on knowledge and practical expertise in a focused, interactive setting. Whether you're a first-time attendee or a longtime enthusiast in Hong Kong, this event is thoughtfully curated to deliver a standout experience worth every moment. If Seminar by Professor Gil ARIEL (Bar Ilan University) sounds like your kind of event, don't wait - spots fill up fast.

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