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April 2026

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Friday, April 17th, 2026
7:00pm – 9:00pm
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Caltech Tai Chi Club - Free Tai Chi Class

Hameetman Center 220 - Multipurpose Room
Saturday, April 18th, 2026
1:00pm – 5:00pm
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JAZZ FESTIVAL

Hameetman Center Patio
Sunday, April 19th, 2026
3:30pm – 5:00pm
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CANCELED - Quatuor Ébène

Beckman Auditorium
Monday, April 20th, 2026
9:00am – 10:00am
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Mechanical and Civil Engineering Seminar: PhD Thesis Defense

Gates-Thomas 115
Nano-architected Composites Across Scales and Strain Rates
Kevin Nakahara, Graduate Student, Mechanical Engineering, Caltech,
10:00am – 11:00am
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Seismo Lab Seminar

South Mudd 254
How earthquakes stop and scale: Insights from near-fault observations and dynamic rupture modeling
Yoshihiro Kaneko, Professor of Geophysics, Kyoto University,
10:30am – 11:30am
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PhD Thesis Seminar

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Synthesis of Stereoenriched Polycyclic Scaffolds via Pd Enolates and Progress Toward the Total Synthesis of Hypermoin A
Ruby Chen, Graduate Student, Chemistry, Caltech,
12:00pm – 1:00pm
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Seismo Lab Brown Bag Seminar

South Mudd 254
Frequency-dependent viscoelastic magma transport and deformation signatures at Kīlauea volcano
Leif Karlstrom, Professor, University of Oregon,
12:00pm – 1:00pm
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World Fest - African Djembe Drumming Circle

San Pasqual Walk
4:00pm – 5:00pm
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Astronomy Tea Talk

Cahill 370
Ultraluminous X-ray Sources: Accretion Physics at the Extremes
Roberta Amato, Postdoc at National Institute for Astrophysics (INAF), Italy,
4:00pm – 5:00pm
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Caltech/USC Joint Algebra and Geometry Seminar (1/2)

Linde Hall 310
Two unexpected theorems about 5
Paul Melvin, Professor, Department of Mathematics, Bryn Mawr College,
4:00pm – 5:00pm
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Geological and Planetary Sciences Seminar

Arms 155 (Robert P. Sharp Lecture Hall)
"Jet Streams in the Giant Planets of the Solar System"
Keren Duer-Milner, Postdoctoral Fellow, Leiden Observatory / SRON, Leiden University,
4:00pm – 5:00pm
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H.B. Keller Colloquium

Annenberg 105
Adventures in Building Structure into Models: Lessons from Constructing Euclidean Neural Networks for Physics
Tess Smidt, Associate Professor, Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology,
4:00pm – 5:00pm
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High Energy Physics Seminar

Online and In-Person Event
Multiple axions: Strong CP, Dark Matter and how to count them
Pablo Quilez, CERN,
5:00pm – 6:00pm
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Caltech/USC Joint Algebra and Geometry Seminar (2/2)

Linde Hall 310
Slice disks modulo local knotting
Jeffrey Meier, Professor, Department of Mathematics, Western Washington University,
7:00pm – 9:00pm
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Birthday Party & Documentary "Transcending Fear: The Story of Gao Zhisheng"

Chen 130
Tuesday, April 21st, 2026
12:00pm – 1:00pm
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BBE Division Seminar - Junhyong Kim

Broad 100
Beyond single cells: Subcellular sequencing reveals mosaic evolution of the dendritic transcriptome in rodent neurons
Junhyong Kim, Christopher H. Browne Distinguished Professor of Biology Co-Director, Penn Program in Single Cell Biology Secondary Professor, Computer and Information Science, University of Pennsylvania,
12:00pm – 2:00pm
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Earth Day Clothing Swap

San Pasqual Walk
12:00pm – 1:15pm
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Inclusive Mentorship

Online Event
12:00pm – 1:00pm
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Math Graduate Student Seminar

Linde Hall 255
Global Regularity for a Viscous Dyadic Model of the Navier-Stokes Equations
Sam Looi, Postdoc, Department of Mathematics, Caltech (California Institute of Technology),
12:00pm – 1:00pm
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Seismo Lab Seminar

South Mudd 254
Variability and Controversy: What can we resolve from observations of small earthquake sources?
Rachel Abercrombie, Professor, Boston University,
12:00pm – 2:00pm
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Sustainability Resource Fair

San Pasqual Walk
12:00pm – 1:00pm
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The Heat of the Suns Rays: An Earth Week Theater-Science Conversation with Caltech Climate Dynamics

Resnick Sustainability Center Lobby
2:00pm – 3:30pm
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Introduction to QGIS

Online Event
3:00pm – 4:00pm
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How to Get the Most Out of Your Retirement Income

Online Event
3:00pm – 4:30pm
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Join the CTLO hosted Feynman Teaching Award Recipient, Professor Sarah Reisman for a Fireside Chat

3:00pm – 4:00pm
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Medical Engineering Defense, Canran Wang

Broad 100
Smart Bandages for Chronic Wound Sampling, Monitoring, and Management
Canran Wang, PhD Candidate, Medical Engineering Department, California Institute of Technology,
4:00pm – 5:00pm
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Chemical Physics Seminar

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Deciphering & controlling the mechanisms of energy flow across materials
Andres Montoya Castillo, Assistant Professor of Chemistry, Department of Chemistry, University of Colorado Boulder,
4:00pm – 5:00pm
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DIX Planetary Science Seminar

South Mudd 365
Dynamics in Extreme Environments: From Lava to Tatooine Planets
Mohammad Farhat, Miller Postdoctoral Fellow, Astronomy, UC Berkeley,
4:00pm – 5:00pm
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Ulric B. and Evelyn L. Bray Social Sciences Seminar

Baxter B125
Have Fiscal Policy Failures Diminished American Democracy?
Seth Hill, Professor of Political Science, UC San Diego,
5:00pm – 7:30pm
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Three Minute Thesis (3MT) Competition 2026

Chen 100
7:00pm – 9:00pm
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Caltech Tai Chi Club - Free Tai Chi Class

Hameetman Center 220 - Multipurpose Room
Wednesday, April 22nd, 2026
9:30am – 3:00pm
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Resource-aware Quantum Benchmarking Symposium

Gates-Thomas 135
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Light-ray operators and the w(1+infinity) algebra
Mina Himwich, Princeton University,
11:00am – 12:00pm
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Materials Science Research Lecture

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Chemistry in condensed matter: from nuclear quantum effects to detonations
Alejandro Strachan, Professor, Materials Engineering, Purdue University,
12:00pm – 1:30pm
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Earth Day 2026

Center for Student Services, Large Tent
12:00pm – 1:00pm
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Logic Seminar

Online Event
A dynamical proof of Matui's absorption theorem
Julien Melleray, Professor, Department of Mathematics, Université Lyon 1,
12:00pm – 2:00pm
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Plant-Based Food Sampling

San Pasqual Walk
12:00pm – 2:00pm
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Weekly Composting Tabling Event

Red Door Cafe
12:00pm – 1:00pm
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World Fest - India Cultural Trip

Hameetman Center 220 - Multipurpose Room
3:00pm – 4:00pm
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Fluids and Analysis Seminar

Online Event
On the Stabilizing Effect of Fluid Expansion for Relativistic Gaseous Body
Zhongtian "Kevin" Hu, Postdoc, Department of Mathematics, Princeton University,
3:00pm – 4:15pm
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Laboratory Safety Orientation Training

Online Event
4:00pm – 5:00pm
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Astronomy Colloquium

Cahill, Hameetman Auditorium
Resetting Cosmic Ray Propagation Theory
Ellen Zweibel, W. L. Kraushaar Professor of Astronomy and Physics, Department of Physics & Astronomy, University of Wisconsin-Madison,
4:00pm – 5:00pm
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Canceled! Organic Chemistry Seminar

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Nickel Complexes for Cooperative Catalysis & Mechanistic Insight
C. Rose Kennedy, James P. Wilmot Distinguished Assistant Professor, Department of Chemistry, University of Rochester,
4:00pm – 5:00pm
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Distinguished Materials Seminar Series

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Intersection of Solid-State Ionics, Chemistry and Physics in Intercalation Compounds
William Chueh, Professor, Department of Materials Science & Engineering & of Energy Science & Engineering, Stanford University,
7:30pm – 9:00pm
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Movies That Matter's Earth Day Screening: Spectrum of Life

Chen 100
Thursday, April 23rd, 2026
1:00am – 2:30pm
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Using AI as a TA: Do's, Don'ts, and Dilemmas

Center for Student Services 360 (Workshop Space)
10:00am – 11:00am
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Campus Sustainability Walk - Plants and Microbes

11:00am – 12:00pm
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Applied Physics Seminar Series

Annenberg 105
Coexistence of spatially decoupled unconventional superconducting condensates in 4Hb-TaSSe
Miguel Ugeda, Professor, Donostia International Physics Center, San Sebastián, Spain,
11:00am – 12:00pm
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High Energy Physics Seminar

Online and In-Person Event
Higher point positivity and large-Nc QCD
Francesco Sciotti, IFAE, University of Barcelona,
11:00am – 12:00pm
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Mechanical and Civil Engineering Seminar

Gates-Thomas 135
Elasto-Plastic Stochasticity: The Role of Atomic Level Fluctuations on Mesoscale Deformation Properties in Complex Alloys
Jaime Marian, Professor, Department of Materials Science and Engineering, University of California, Los Angeles,