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April 2026

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Wednesday, April 8th, 2026
12:00pm – 12:50pm
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Getting Things Done

Hameetman Center B122 - Club Room 3
12:00pm – 2:00pm
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Weekly Composting Tabling Event

Red Door Cafe
1:00pm – 2:00pm
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Programming with Python

Online Event
1:30pm – 2:30pm
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PhD Thesis Seminar

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Nanoscale Spectroscopic Imaging of Carriers and Heat in Photocatalysts
Levi Palmer, Graduate Student, Chemistry, Caltech,
3:00pm – 4:15pm
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Laboratory Safety Orientation Training

Online Event
3:15pm – 4:15pm
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PhD Thesis Defense

Moore 239
Network Source Coding in Scenarios with Uncertainty at the Decoder
Siming Sun, graduate student, Electrical Engineering, California Institute of Technology,
4:00pm – 5:00pm
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► CANCELED: Ulric B. and Evelyn L. Bray Social Sciences Seminar

Baxter B125
This seminar has been canceled.
Dirk Bergemann, Professor of Economics, Yale University,
4:00pm – 5:00pm
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Astronomy Colloquium

Cahill, Hameetman Auditorium
Giant black hole jets and baryon feedback to the Cosmic Web
Martijn Oei, Troesh Postdoctoral Scholar Research Associate, Department of Astronomy, CalTech,
4:00pm – 5:00pm
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Environmental Science and Engineering Seminar

South Mudd 365
Atmospheric Gravity Waves: New Observations, High-Resolution Simulations, and Data-Informed Methods
Aditi Sheshadri, Assistant Professor of Earth System Science and Center Fellow, by courtesy, at the Woods Institute for the Environment, Stanford University,
4:00pm – 5:00pm
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Frontiers in Chemical Engineering

Spalding Laboratory 106 (Hartley Memorial Seminar Room)
Upcycling of Plastic Waste into Lubricants
Guoliang (Greg) Liu, Professor, Department of Chemistry, Department of Chemical Engineering, Materials Science and Engineering, Macromolecules Innovation Institute, and Academy of Integrated Science-Nanoscience, Virginia Tech,
4:00pm – 5:00pm
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Materials Science Research Lecture

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Atomic-Scale Imaging of Interfacial Structure, Charge, and Phonon Dynamics
Xiaoqing Pan, Professor, Department of Materials Science and Engineering, Department of Physics and Astronomy, UC Irvine,
4:00pm – 5:00pm
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Special Quantum Matter Seminar

East Bridge 114
Quantum thermodynamics on superconducting circuits: bolometry and thermalization
Jukka Pekola, Professor, Department of Applied Physics, Aalto University, Helsinki, FI,
,
,
4:15pm – 5:30pm
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Dedication Ceremony for the Lynn Booth and Kent Kresa Department of Aerospace

Olive Walk
4:30pm – 6:00pm
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Building a Tiny Open-Source Space Program: From ChipSats to Autonomous Swarms

Chen 100
Thursday, April 9th, 2026
All Day
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Credit Union Closure

Multiple locations - See event detail for more information
11:00am – 4:01pm
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Mechanical and Civil Engineering Seminar

Gates-Thomas 135
Safety Filters for Autonomous Systems: When They Misbehave and How to Fix Them
Pol Mestres, Postdoctoral Scholar, Department of Mechanical and Civil Engineering, California Institute of Technology,
11:00am – 12:00pm
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Special Organic Chemistry Seminar

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Applications of Acetal Radicals in Organic Synthesis
Daniel Kim, Assistant Professor, College of Science and Technology, Temple University,
12:00pm – 1:00pm
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Study Abroad Info Session for First-Year Students

Hameetman Center 220 - Multipurpose Room
12:00pm – 1:00pm
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Unpacking Hate: the 4 I's of Oppression

Online Event
1:00pm – 2:00pm
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Programming with Python

Online Event
2:00pm – 3:00pm
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Special TAPIR Seminar

The emergence of globular clusters and globular-cluster-like dwarfs at the EDGE of galaxy formation
Ethan Taylor, Postdoctoral Fellow, School of Mathematics and Physics, University of Surrey, UK,
,
4:00pm – 5:00pm
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CANCELLED - Biochemistry Seminar

Gates Annex B122
Short RNA chaperones promote aggregation-resistant TDP-43 conformers to mitigate neurodegeneration
James Shorter, Professor, Department of Biochemistry & Biophysics, Perelman School of Medicine, University of Pennsylvania,
4:00pm – 5:00pm
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History & Visual Culture Seminar

Dabney Hall 110 (Treasure Room)
Pictures from the Arctic: The Colonized Draw Back
Valerie A. Kivelson, Thomas N. Tentler Collegiate Professor and Arthur F. Thurnau Professor of History, University of Michigan,
4:00pm – 7:00pm
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LA Probability Forum

Linde Hall 310
Ron Peled, Professor, Department of Mathematics, University of Maryland,
Shalin Parekh, Assistant Professor, Department of Mathematics, University of Maine,
Rahul Rajkumar, PhD Candidate, Department of Mathematics, UC Riverside,
4:00pm – 5:00pm
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Medical Engineering Distinguished Seminar Series, Prof. Michael Levin

Online Event
Bioelectric signaling network underlie cellular collective behavior in embryogenesis, regeneration, and cancer
Professor Michael Levin, Vannevar Bush Distinguished Professor of Biology at Tufts University and Director of the Allen Discovery Center,
4:00pm – 5:00pm
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Number Theory Seminar

Linde Hall 387
Higher theta series for reductive dual pairs and anomaly
Avi Zeff, Postdoc, Department of Mathematics, UC Berkeley,
4:00pm – 5:00pm
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Physics Colloquium

Online and In-Person Event
Quantum Intelligence
Robert Huang, Assistant Professor of Theoretical Physics, PMA, Caltech,
Friday, April 10th, 2026
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Scattering on the Coulomb Branch of N=4 SYM
Kelian Häring, University of Amsterdam,
12:00pm – 1:00pm
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Center for Social Information Sciences (CSIS) Seminar

Baxter 127
Convergent Equilibrium Learning through Risk-aversion
Yizhou Zhang, Graduate Student, Department of Computing and Mathematical Sciences, Caltech,
12:00pm – 1:30pm
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Green Labs April 2026 Meeting

12:00pm – 1:00pm
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Info Session: Undergrad Certificate in University Teaching and Learning

1:00pm – 2:00pm
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High Energy Physics Seminar

Online and In-Person Event
A unified approach to the self force problem
Ira Rothstein, Carnegie Mellon University,
2:00pm – 3:00pm
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IQIM Postdoctoral and Graduate Student Seminar

East Bridge 114
Processing massive classical data on small quantum computers
Haimeng Zhao, Huang and Preskill groups,
2:00pm – 3:00pm
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PhD Thesis Defense

Moore 239
Synergizing microscopy, computation, and artificial intelligence to advance biomedical research
Haowen Zhou, Graduate student, Electrical Engineering, California Institute of Technology,
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Trapping in Strong Gravity: From Black Hole Images to Gravitational Turbulence
Alejandro Cárdenas-Avendaño, Assistant Professor, Physics Department, Wake Forest University,
3:00pm – 4:00pm
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Aerospace Colloquium

Guggenheim 133 (Lees-Kubota Lecture Hall)
Unravelling hydrogen-material interactions: a challenge across scales and disciplines
Emilio Martinez Paneda, Associate Professor, Engineering Science, Oxford University,
4:00pm – 5:00pm
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Seismo Lab Seminar

South Mudd 254
LLM Applications in Seismology
Mostafa Mousavi, Assistant Professor of Earth and Planetary Sciences, Harvard University,
6:30pm – 9:30pm
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Arab Heritage Month: Movie Night

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

Hameetman Center 220 - Multipurpose Room
Saturday, April 11th, 2026
7:00am – 7:00pm
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Science Olympiad State Tournament

Monday, April 13th, 2026
12:00pm – 1:00pm
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Seismo Lab Brown Bag Seminar

South Mudd 254
Hongfeng Yang, Professor, Dept. Earth and Environmental Sciences, Director, Aerospace Science and Earth Informatics + X Programme, The Chinese University of Hong Kong,
4:00pm – 5:00pm
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Astronomy Tea Talk

Cahill 370
Study of Exotic Stellar Populations in Open Clusters and Galactic Fields
Anju Panthi, Postdoc at Indian Institute of Astrophysics, Bangalore,
4:00pm – 5:00pm
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Geological and Planetary Sciences Seminar

Arms 155 (Robert P. Sharp Lecture Hall)
"When Did the Earth's Dynamo Begin?"
Benjamin Weiss, Chair, Program in Planetary Science, Robert R. Shrock Professor of Earth and Planetary Sciences, Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology,
4:00pm – 5:00pm
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H.B. Keller Colloquium

Annenberg 105
Optimization by Decoded Quantum Interferometry
Stephen Jordan, Research Scientist, Google Quantum AI,
4:00pm – 5:00pm
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High Energy Physics Seminar

Online and In-Person Event
A Few Thoughts on Flavor
Claudio Manzari, Institute for Advanced Study,
4:00pm – 5:00pm
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Quantum Matter Seminar

East Bridge 114
Continuum Fractons
Shivaji Sondhi, Professor of Physics, Department of Physics, University of Oxford,
7:00pm – 9:00pm
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Caltech Connect Training for Students

Avery Library
Tuesday, April 14th, 2026
10:30am – 12:00pm
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Laser Safety Training

Online Event
11:00am – 12:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Lauritsen 469
Controlling and Interrogating Matter at the Fundamental Limits of Space and Time
Mohammed Th. Hassan, University of Arizona,
12:00pm – 1:00pm
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BBE Division Seminar - Itai Yanai

Broad 100
Can a cell learn? A mechanism for adaptive genome regulation
Itai Yanai, Scientific Director, Applied Bioinformatics Laboratories, Professor, Department of Biochemistry and Molecular Pharmacology, New York University - Langone Health,