James Stevenson

@allaboutchemist.bsky.social

1880 Followers 1314 Following

Research engineer for CBRN (chemical, biological, radiological, and nuclear) responsibility at Google DeepMind. Machine learner and quantum mechanic. https://orcid.org/0000-0003-0950-7775

A world war one poster saying Americans All and giving a list of names associated with different ethnicities (Du Bois, Smith, O'Brien, Cejka, etc, representing Black, Anglo, Irish, Polish...)

A Spanish-language ad for a drawing tablet saying "Dibuja la S por menos." This is likely a translation of the English phrase "Draw the S for less" (the S being a common S-shaped pattern drawn by kids), but in translation the rhyme is lost.

My NYC "I Voted Early" sticker.

A chemistry joke in a one-column format. The superhero Ideal Gas Man starts out as big as a skyscraper, but ends up being the size of a toddler, because being a superhero means a lot of pressure.

The data is "presented as a segmental regression despite not being statistically significant" compared to a linear regression. The conclusion, 1.6 g/kg/day of protein, depends on where you put the break between the not-statistically-significant line segments.

A crude sketch of a doomscrolling cat. He is alarmed by what he sees.

xkcd comic showing a computer function which simply returns the number 4.

Stand Up For Science NYC protest at Washington Square Park on March 7th, noon-3pm.

Claude LLM artifact showing the error message `An error occurred while trying to run the generated artifact. Unexpected token, expected ";" (4:24)`. Claude was unable to fix the error.

A chemical engineer wakes up and runs to Wonka's candy factory, fearing that the calculations were wrong and the chocolate unit may explode. However, Wonka assures him that it will be all right because of fudge factors.

Comparison of QRNN diffusivity to experiments and OPLS4. The QRNN model can predict the diffusivity of every component in the electrolyte mixture, across a range of temperatures.