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Posts by Micaela Matta

We have improved our clustering algorithm, which now uses a silhouette score to select optimal clustering parameters. Thanks to the reviewers for pointing out weaknesses in our previous approach ๐Ÿ™ & to @hannahturney.bsky.social for her great work ๐Ÿ˜Š

4 days ago 0 0 0 0
More accurate and reproducible glass transition temperature calculation with unsupervised machine learning and neural network charges | ChemRxiv Accurate computational modeling of the glass transition is a longstanding challenge in polymer chemistry. Atomistic molecular dynamics simulations offer a powerful approach to observe the changes in viscoelasticity, density and chain mobility associated ...

Lots of cool talks, including myself subbing in for @hannahturney.bsky.social presenting our ML workflow for glass transition temperature calculation (preprint v2):

chemrxiv.org/doi/full/10....

4 days ago 1 0 1 0
Molecular sciences research hub building from the outside

Molecular sciences research hub building from the outside

Heading to White City @imperialcollegeldn.bsky.social for the London #Polymer Group Meeting #LPG26! Itโ€™s well worth the trek for this SE dweller.

4 days ago 2 0 1 0

Heads up GitHub users. You have less than a month left to opt out of "Allow GitHub to use my data for AI model training".

"On April 24 we'll start using GitHub Copilot interaction data for AI model training unless you opt out." github.com/settings/cop...

2 weeks ago 233 235 11 10

Niiice ๐Ÿ’…

2 weeks ago 1 0 0 0
A small English cocker spaniel is passed out on the carpet floor of a home office

A small English cocker spaniel is passed out on the carpet floor of a home office

My executive function after a big grant deadline with 3h sleep

2 weeks ago 1 0 0 0
A screenshot of a paper where the link to the page proof online system appears as part of the title

A screenshot of a paper where the link to the page proof online system appears as part of the title

I for one believe it is fully justified that we pay solid money for the thorough quality checks for-profit publishers provide to us every day

3 weeks ago 23 6 1 0
View of the Thames from the south bank, with blackfriars behind, and the city and St Paul visible across. Blue sky finally!

View of the Thames from the south bank, with blackfriars behind, and the city and St Paul visible across. Blue sky finally!

Thรฉ gym-> class commute ainโ€™t too shabby either

1 month ago 0 0 0 0
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A bouldering wall with nobody climbing

A bouldering wall with nobody climbing

How I prepare for my quantum chemistry lecture

1 month ago 3 0 1 0

@supersciencegrl.co.uk please tell my undergrads! I will make a T-shirt with this quote lol.

1 month ago 2 1 0 0

๐Ÿ˜๐Ÿ˜๐Ÿ˜๐Ÿ˜๐Ÿ˜๐Ÿ˜๐Ÿ˜

1 month ago 1 0 0 0

excited for your #compchem era haha ๐Ÿ˜›

1 month ago 2 0 1 0

You can also run calculations in parallel:)

1 month ago 2 0 1 0

It finally happenedโ€ฆ
We fed the dog dinner, twice ๐Ÿคฃ

2 months ago 2 0 1 0

Sheโ€™s timeless โ˜บ๏ธ

2 months ago 1 0 0 0
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Of all the reasons to ask for an extension on an assignment, this is a pretty good one.

Canadian figure skater Maddie Schizas posts her email to her prof, asking for an extension.

Because sheโ€™s competing at the Olympics. Attached the press release for proof of participation.

2 months ago 176 34 3 6

Today I am getting my ๐Ÿ‡ฌ๐Ÿ‡ง citizenship!!

2 months ago 12 0 3 0
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If you want to learn about materials modeling, from DFT to MD, well marinated in a spicy ML sauce, don't miss out the @ictp.bsky.social / @nccr-marvel.bsky.social college. Details and application instructions here indico.ictp.it/event/11146/. See you in Miramare!

2 months ago 9 3 0 2
A round cake topped with orange slices

A round cake topped with orange slices

Turns out I can (sort of) follow a recipe #chemistswhocook

2 months ago 4 0 0 0

2๏ธโƒฃ tinyurl.com/PDRAcatalystAI
1-year postdoc in collaboration with industry on #genAI and #catalysis
Deadline: Feb 22

Ideal profile: recent PhD looking to transition to industry, ML/AI and catalysis background ๐Ÿค–

2 months ago 0 0 0 0

Not one but 2 (!) open #postdocjobs to work with me

1๏ธโƒฃ tinyurl.com/EPSRCMattaPDRA

2-year postdoc on data-driven design and screening of organic mixed conducting materials โšก๏ธ๐Ÿ”‹
#omiecs

Deadline: Feb 8

Ideal profile: MD or DFT skills, experience in #high-throughput workflows, strong coding skills

2 months ago 6 4 1 1
Abstract
Al assistance produces significant productivity gains across professional domains, particularly for novice workers. Yet how this assistance affects the development of skills required to effectively supervise AI remains unclear. Novice workers who rely heavily on AI to complete unfamiliar tasks may compromise their own skill acquisition in the process. We conduct randomized experiments to study how developers gained mastery of a new asynchronous programming library with and without the assistance of Al.
We find that AI use impairs conceptual understanding, code reading, and debugging abilities, without delivering significant efficiency gains on average. Participants who fully delegated coding tasks showed some productivity improvements, but at the cost of learning the library. We identify six distinct AI interaction patterns, three of which involve cognitive engagement and preserve learning outcomes even when participants receive AI assistance. Our findings suggest that Al-enhanced productivity is not a shortcut to competence and AI assistance should be carefully adopted into workflows to preserve skill formation - particularly in safety-critical domains.

Abstract Al assistance produces significant productivity gains across professional domains, particularly for novice workers. Yet how this assistance affects the development of skills required to effectively supervise AI remains unclear. Novice workers who rely heavily on AI to complete unfamiliar tasks may compromise their own skill acquisition in the process. We conduct randomized experiments to study how developers gained mastery of a new asynchronous programming library with and without the assistance of Al. We find that AI use impairs conceptual understanding, code reading, and debugging abilities, without delivering significant efficiency gains on average. Participants who fully delegated coding tasks showed some productivity improvements, but at the cost of learning the library. We identify six distinct AI interaction patterns, three of which involve cognitive engagement and preserve learning outcomes even when participants receive AI assistance. Our findings suggest that Al-enhanced productivity is not a shortcut to competence and AI assistance should be carefully adopted into workflows to preserve skill formation - particularly in safety-critical domains.

โ€˜Novice workers who rely heavily on AI to complete unfamiliar tasks may compromise their own skill acquisitionโ€ฆ We find that AI use impairs conceptual understanding, code reading, and debugging abilities, without delivering significant efficiency gains on average.โ€™
arxiv.org/pdf/2601.20245

2 months ago 335 144 6 24

Really inspiring to celebrate #womeninscience with #loreal at the House of Commons! Congratulations to all the applicant and winners.

2 months ago 5 0 0 0

intreprecating takes the cake

3 months ago 2 0 0 0
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Happy to see our #melanin Perspective featured in this collection!

3 months ago 2 0 0 0

is this at the Dulwich Picture Gallery? noted!

3 months ago 0 0 1 0

But what about that great ASCII art ๐Ÿ˜‚

3 months ago 2 0 0 0

Teams status: โ€œI am doing focused work, meeting-free dayโ€

Real status: *paralysed by overdue tasks, inbox overflowing, unable to focus on anything because the house is a mess*

3 months ago 5 0 1 0

all these admission essays read exactly the same ๐Ÿซ  thanks genAI

3 months ago 1 0 0 0
The disclaimer on the webpage chemrxiv.org noting that โ€œdue to a high volume of submissions, processing times may exceed 2 daysโ€

The disclaimer on the webpage chemrxiv.org noting that โ€œdue to a high volume of submissions, processing times may exceed 2 daysโ€

@chemrxiv.org tell me about it.. itโ€™s been almost a week ๐Ÿฅฒ

4 months ago 0 0 0 0