This talk was in the Ray Dolby Centre (the new Cavendish lab) and doing chemistry demos in a new physics building is always a bit more complicated without dedicated prep rooms, technicians, etc😀

(I will be doing some IA lectures in the BMS LT from 2027, so plenty of time to prep fun demos!)

And finally a guncotton Guy Fawkes effigy. #RealTimeChem

Burning a guncotton bird. #RealTimeChem

Published on Mole Day, nice, ha!

Some great murals!

Very relieved!

Just checked, and over the last couple of months I appear to have received at least 10 messages from HMRC (via various means) suggesting I fill in my 24/25 tax return early but not a single reminder to pay today...

I think they do pay interest when you pay them early. And then it shows up as lots of random-seeming small amounts of money (one of these is 2p!) on the paperwork. I've given up understanding the details, to be honest...!

Sorted now, phew.

Absolute life saver, I completely forgot! Glad I checked Bluesky 😅

And the money! 😂

The fun thing is that one of the suggestions is also a chemistry word (katión means cation!).

Can confirm this is correct Slovak.

Identifying compounds by looking at them under a light microscope is a great on-screen chemistry skill 👌

But then we also slightly carelessly talk about energy measured in wavenumbers in chemistry, and in those contexts I would happily call all of those conversions unit conversions.

They're all listed as "conversion factors" in our undergrad data book. teaching.ch.cam.ac.uk/files/DataBo...

Depends on how strict you are being with the terminology, I guess.

For chemists, it's common to scale from molecular to molar scale, say eV to kJ/mol, and I wouldn't hesitate to call that a unit conversion, even though the new dimensionality then technically includes N^(-1).