David A Muller

#cryoEM Lena and I started working on this project almost 10 years ago, with @ktspoth and then Yue taking data. Lena passed away before she could finish the paper, even as other groups were finding it very useful. With Yue and friends we finally got something out! www.biorxiv.org/content/10.1...

And in the sequel it's CO2

Seeing Li ions at atomic resolution is hard, seeing the missing ones? Harder. Dasol's electron ptychography now images Li vacancies in a battery cathode in 3D—atom column by atom column: pubs.acs.org/doi/10.1021/... @pubs.acs.org 🧪⚛️

Cornell's cows are absolutely out standing in their fields right now (all 2,000+ acres). Maybe the NYT just forgot we are an ivy again?

@sciencex.bsky.social ex.bsky.social picked up our #ptychography paper on imaging the atomic-scale roughness in transistor channels in 3D, in a single scan and without having to tilt the sample. ⚛️

Bluesky is the new science Twitter, new study by @whysharksmatter.bsky.social and Julia Wester concludes! "Results show that for every reported professional benefit that scientists once gained from Twitter, scientists can now gain that benefit more effectively on Bluesky than on Twitter."

The offical citation is "For developing a new generation of electron detectors and reconstruction algorithms leading to the highest resolution electron microscope." www.nae.edu/345149/NAENe... or as a friend joked "the academy award goes to David for the best picture" 🧪 ⚛️ #NAE

Given the weather today, it’s time to repost my favorite phase diagram: Nakaya’s snow crystal morphology. We are towards the bottom right today. 🧪 ⚛️ #cryoEM

And this is when Bluesky became the old twitter

While Cornell has field theorists, we also have practitioners

Imaging hydrogen atoms with ptychography

Jim West's group taught us everything we know about building ultra-quiet rooms

Ducktober

#cryoEM 🧪⚛️ Lena’s paper on imaging thick biological sections with STEM is finally published! We started this work almost 10 years ago. After Lena passed in 2023, I spent much of my sabbatical working with Yue and Steve to wrap this up. Also learned a lot about TEM vs STEM dose efficiency

Some good news 🧪⚛️

Our hands-on workshop on Electron #Ptychography ! ⚛️🧪 using our new fast python code starts tomorrow, Tuesday, July 8. Lecture Schedule is below, for folks who want to listen in on-line. We hope to post the tutorial and code walk through videos later. cornell.zoom.us/j/9512638476...

This is fantastic, do read it.

Took a break and conducted some pier review last week. 12/10

One of my favorite things is seeing how publishers around the world reinterpret covers for foreign language editions of our books. The Alchemy of Us is being published in Korean. A side by side comparison -- same great content, totally different vibe.

Celebrating Hari’s thesis defense with a NaNbO3-themed cake. It is layered in 3D to match his paper rdcu.be/eiV0u

The end of US leadership in science, technology, and innovation. All in one little table. A tremendous gift to China, courtesy of the GOP. nsf-gov-resources.nsf.gov/files/00-NSF...

Danielle was one of Lena’s students 🧪

So the crazy thing here is the company this is supposed to be about is Corning. The company famous for its glass research. And the across the board metric is a measure of how similar individual atom positions are in their CRYSTAL structures. So much is nuts here, but that should have been a red flag

Pat Bagley, Salt Lake Tribune

“From chocolate chips to computer chips” 🧪⚛️

Betteridge's law: "Any headline that ends in a question mark can be answered by the word no."

We're holding a hands-on workshop on Electron #Ptychography ! ⚛️🧪 using our new fast python code When: July 8-11, Cornell University, Ithaca NY Organizers: David Muller, Jim LeBeau, Steve Zeltmann Applications on a rolling basis until full www.ccmr.cornell.edu/facilities/p...

USC vs MIT

This has been going for a while. When I worked at Lumon, erm Lucent Technologies in the late 90’s this similarity was also noted, but that is was also inflamed. Still an improvement on the previous deathstar logo

Our center helping out local businesses including biotech startups 🧪⚛️

Field theory - Cornell style Look carefully for the spherical horse in the background. Foals due soon

After reading this statement, it is worth remembering that the I in DEI is Inclusion. The opposite of Inclusion is separateness. The Afrikaans word for separateness is Apartheid

Shared in the Nowruz celebrations with Iranian grad students and postdocs in Willard Straight last night. It will not be an easy year and they know it, but spring always comes

"This is fine.gif" Let's just say I had an interesting time trying to find a cognizant program officer on Tuesday - every time someone inside NSF referred me to someone else, within 10 minutes, the new email bounced as that person was removed from the system www.politico.com/news/2025/02...

Thinking about this a lot lately

Welcome to the better place, noted duckchographer @shellystem.bsky.social

The “Make Apartheid Great Again” dude is at it again

My favorite phase diagram for this time of year is the Nakaya diagram. No fluffy snow flakes today! #chemsky 🧪 ⚛️

2 papers back to back in this issue from alums of Fraser Stoddart's group. Also a chainmail-like polymer from Will Dichtel that we imaged #chemsky 🧪 news.northwestern.edu/stories/2025...

Cannot stop thinking about how Octavia Butler wrote a book in 1993 about climate change. It opens with deadly fires in LA in 2025. In the story, a fascist President has just won office with the campaign slogan "Make America Great Again." She was a modern day Nostradamus. If only we'd listened.

Hey, it’s one of those Mexican firefighters who came over here to take our jobs. And save our kittens.

So “democracy dies in darkness” was a promise?

Happy New Year’s Eve (whispered quietly for my hung-over Aussie friends)