I haven't been using Canvas (for practical and ideological reasons). But some colleagues were asking about how to email their large lecture courses now that canvas is down. Here's what works at @ucriverside.bsky.social (your mileage may vary).

Today my heart is full as we welcome the 2026 class of PD Soros Fellows. @pdsoros.bsky.social pdsoros.org/meet-the-cla...

The SLAC SSI summer school is now fully remote and free to register. indico.slac.stanford.edu/event/9605/

The theme of the 2025 SLAC Summer Institute is "Pathways to New Physics." Remote and in-person registration is open for senior graduate students and postdocs. The summer school includes group projects and social events. indico.slac.stanford.edu/event/9605/

Here's an application of birdtrack notation to prove a curvature tensor identity. It is identical to index notation, but I find the diagrammatic proof easier to follow once I picked up the rules. This is a solution to exercise [14.10] in Penrose's Road to Reality.

Advisors of cosmology and astroparticle soon-to-be PhDs: consider nominating your students for the CCAPP Price Award. Nomination letters are due Friday March 28, 2025. ccapp.osu.edu/students/pri...

The DOE Office of Science Graduate Student Research applications are due May 7, 2025. These support PhD students to collaborate with a national lab scientist for 3-12 months. science.osti.gov/wdts/scgsr

This month and next month our Phy-Sci Book club is reading a couple of books ahead of Earth Day. Next week we're discussing Rachel Carson's classic, Silent Spring. The book continues to hold its own as remarkable feat of accessible science writing 63 years after its original publication.

The last few generations of particle physicists, especially those on the model-building side, have learned field theory without an emphasis on the analytic properties of scattering. Sebastian Mizera's lecture notes an excellent resource: arxiv.org/abs/2306.05395

Yesterday we had a fantastic Teachers' Conference at @kitp-ucsb.bsky.social, "This is Particle Theory." The event brings together high school physics teachers to connect to the big ideas in research at the KITP. This year it was associated with our "What is Particle Theory" workshop.

Applications are open for the IAIFI Summer School on AI+Physics. iaifi.org/phd-summer-s... #physics #machine-learning

4 weeks in and the "What is Particle Theory" workshop at KITP has been fantastic. www.kitp.ucsb.edu

One of my favorite publications, the American Journal of Physics, has an open access resource letter on dark matter. It's a great place to get started when looking to navigate the review literature in the field. pubs.aip.org/aapt/ajp/art...

Applications for TASI 2024 are due March 1st. www.colorado.edu/physics/even...

The @nytimes.com highlights CERN as one of the "52 places to go in 2024." nytimes.com/interactive/...

What is the transpose of a (1,1) tensor?

Is there etiquette for reposting revised versions of my own social media threads from other platforms? Should I provide a citation at the end of a thread to the original?

@astrophysikerin.bsky.social and @emily.space: thank you for providing the invite to bring me to to Bluesky!