Kunal Marwaha

📌now · 💌mail · 📝resume · 💻GitHub · 🔬ORCID 0000-0001-9084-6971

📷 picture of me


college at UC Berkeley, 2012-2016

🔧MechE Course Guide (2014-15)
map of Cal’s undergrad Mechanical Engineering courses

🥑studyfruit (2015)
wiki of student materials for UC Berkeley classes

💁helping TAs conduct video office hours (2015)
solutions for conducting remote office hours

📊datamap (2016)
resources at UC Berkeley related to data science

🐻cal (2019)
reflections on attending UC Berkeley


carillon player since 2012

🔔campanile (2014)
leave a virtual message on Cal’s bell tower
with Arun Jandaur, Kate Rakelly, Kevin Chen, for Hack the Bells

ℹ️website for Berkeley Carillon Guild (2016)
carillonist students at Berkeley

🎶TwitchPlaysMusic (2017)
real-time sheet music generator from Twitch comments
performance clip from the Campanile here


puzzle addiction; teaching a probability class made it worse

⬛rubik (2015)
Rubik’s cube simulator and solver

🔢sudoku (2015)
Sudoku maze generator and solver

🥞pancakes (2015)
delicious logic problem (see problem 2)

🍽Goldilocks and the Assistant (2015)
fairy-tale-themed logic problem

🔺triangles (2016)
counting triangles in bigger triangles

🍻7-beers-matching (2018)
beer-themed probability problem
source .tex file here

✨my response to a clean code challenge (2018)
de-mystifying a function to make square spirals
challenge from Thai Pangsakulyanont


I’m currently looking for new research in quantum information.

past: quantum state estimation; philosophy of science; computational fluids; lattice spin systems

👻Quantum Applications of an Efficient Solution to Compressive Phase Retrieval (2015)
using signal processing theory in quantum mechanics
presentation slides here

🔦Applications of Bilinear Control Theory in Nonlinear Spectroscopy (2016)
using light to estimate stuff
presentation slides here
code (as .ipynb, as .pdf)

🚀shock-front-math (2019)
re-deriving the math behind supernovae
source .tex file here

📐lakatos (2019)
notes on Imre Lakatos and passionate rationalism

🔮interstellar-bubbles (2019)
some stars blow themselves a cocoon

🧮Counting in the XX Model (2019)
at infinite temperature, quantum systems are counting problems
source .tex file here


employment and hobby: computer programming

🌽maze (2015)
path-finding in random 2D mazes

💰mystartup (2015)
sarcastic startup tagline generator

👽SlargNacking (2016)
don’t be happy, be interested

📢trump_yelling (2017)
twitter analysis of Trump’s ALLCAPS tweets

💓automata (2018)
simple cellular automata generator

🌎websites (2018)
evolving philosophy on website-building

🏃QWOPPER (2019)
a programmatic interface for QWOP


some of my software has a purpose

🏀sweet spot (2013)
tool to scout players’ shooting performance
with Leah Dickstein, for Facebook NorCal Regional Hackathon

🎅🏽secretsanta (2015)
assigns gift-givers for secret santa exchanges

🍄count-spots (2017)
locating and counting spots in an image

🌈pleasant-places (2018)
interactive United States map to find pleasant weather

📓friendlog (2018)
command-line journal for intentional friendship

 mac (2018)
tips and tools on using a Mac


some projects don’t get finished

👨‍⚕️CollegeConnect (2014-15)
peer-to-peer computer-to-cellphone mental health app
with Andre Askari, Zachary Zeleznick, winning entry for Accenture Hackathon Games

💬baton (2015)
answer student questions en masse: they text you, you respond online

ℹ️website for OtterNest (2015)
ideas from a healthcare startup incubator; team has disbanded

🎇congrats (2018)
playing with a Javascript particle engine
with Ishaan Jain

🌀spirals (2019)
around and around with Python’s Turtle graphics
movies: spirals1.mp4 (1.5M), spirals2.mp4 (4.2M), spirals3.mp4 (3.0M)

📖jupyter-diff (2019)
an experiment in version control for Jupyter notebooks
with Saul Shanabrook at a Jupyter Open Studio Day


past instructor at Berkeley’s D-Lab

🐍the big deal about Python (2016)
on learning to code and the Python programming language
link to my working group


free software enthusiast; Moment.js maintainer since 2017

🤖moment-bot (2017)
auto-lints pull requests to Moment.js

👷rtebn-tech-audit (2018)
Dec 2018 technology audit for Rebuilding Together - East Bay North

🔥flamin’ hot cheetos font (2019)
a flamin’ fontfile and optimized images
from erica du’s nostalgia

🎚slider for polygons in contact (2019)
beautiful geometric shapes, now interactive
from Yomna’s !!con talk

🔤github-typo (2019)
fixing typos on GitHub, until I got shut down

🏥infrastructure for attending (2019)
breathing life into offline documentation for python libraries
mentored by John Purviance at a Jupyter Open Studio Day

🔭the future of jupyter.org (demo here) (2019)
react+webpack+science
existing website here

✏️better eraser tool in coco-annotator (2019)
how fast can we fix a bug?
with Ryan Avery

🐑catan (2019)
play with friends who’ve moved away
with Jesus Garcia


frequent instructor with Software Carpentry

At CarpentryConnect Davis in 2018, I blogged about different ways people find this group.

2015
at UC Berkeley (blog post)

2016
at Purdue University

2017
at SSAI / NASA-Langley (blog post)
at West Virginia University
at University of Arkansas
at SSAI / NASA-Wise (blog post)
at Elizabeth City State University

2018
at Stony Brook University
at UC San Francisco
at UC Berkeley
at University of Virgin Islands (blog post)
at UC San Francisco

2019
at Georgia Tech
at National Academy of Sciences (with Data Carpentry)
at Lawrence Berkeley National Lab / US-ATLAS
at SSAI / NASA-JPL (with Data Carpentry)
at TribalDATA / Bishop Paiute Tribe (with Data Carpentry)


hometown: sunny Sacramento, California

I became an Eagle Scout in 2011.

I used to make software in public health via Palantir Technologies.

I then built tools to understand Pandora Media’s systems.

Now I’m wandering on…


if you like, send me an e-mail. I especially like good questions.