Ultracold

Ultracold

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Entangled States
On writing my memoir, now available for pre-order
Nov 24, 2025 • Karmela Padavic Callaghan
Relational Quantum Mechanics
On watching a film that I feared for years
Oct 27, 2025 • Karmela Padavic Callaghan
Ultracold
A newsletter reintroduction
Oct 28, 2024 • Karmela Padavic Callaghan
Media/Diet (August '25)
How to host your mom in NYC (but she's more fun than you and already loves the city)
Aug 11, 2025 • Karmela Padavic Callaghan
Probability Density
On being trans in 2025
Jun 23, 2025 • Karmela Padavic Callaghan
Order-Disorder Transition
On eating, order, cleanliness and control
Jul 28, 2025 • Karmela Padavic Callaghan
Time Crystal
On dressing as a way of maintaining a self
Mar 24, 2025 • Karmela Padavic Callaghan
Phase Imprinting
On claiming the identity of being a writer
Jul 22, 2024 • Karmela Padavic Callaghan
Wigner's Friend
On theorizing reality in the time of disasters and violence
Sep 23, 2024 • Karmela Padavic Callaghan
Media/Diet (January '26)
Casanova 20 by Davey Davis + New Year's food in Croatia
Jan 12 • Karmela Padavic Callaghan
Connection, Courage and Collective Resolve
How will you eat in 2026?
Jan 5 • Karmela Padavic Callaghan
Vacuum Fluctuations
On turning 34
Dec 29, 2025 • Karmela Padavic Callaghan
2025 in Review: Favorite Ultracold Pieces
My favorite 2025 pieces from this newsletter
Dec 22, 2025 • Karmela Padavic Callaghan
2025 in Review: Favorite Reported Stories
My favorite 2025 reported pieces as a science journalist
Dec 15, 2025 • Karmela Padavic Callaghan
 Ultracold
Ultracold
Notes on being a queer, immigrant, nobinary physicist-turned-writer, vegan baker living and working in New York.
Recommendations
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Attitude Adjustment Facility
Attitude Adjustment Facility
Millicent Souris
Entertainment, Weakly
Entertainment, Weakly
Patrick Nathan
interruptions
interruptions
Cameron Steele
radical love letters
radical love letters
Raechel Anne Jolie
Huw Lemmey's 'Utopian Drivel'
Huw Lemmey's 'Utopian Drivel'
Huw Lemmey

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