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SellaTheChemist

@sellathechemist.mastodon.social.ap.brid.gy

16 Following317 Followers

🇺🇦🇺🇦 Born at 318 ppm CO2, UCL Prof, chemistry, climate change, energy waste, chemical weapons, #ClassicKit, bicycles, Lab_14, #UCLChemAirPoll. Timeblind […]

🌉 bridged from ⁂ https://mastodon.social/@sellathechemist, follow @ap.brid.gy to interact

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@sellathechemist.mastodon.social.ap.brid.gyOct 11, 2026, 12:16 PM

Look up! A circumzenithal arc. #StrangeIce

A photo of a multicoloured arc above the sun with cirrus clouds and contrails.
@j2bryson.bsky.socialOct 11, 2026, 10:05 AMReposted by @sellathechemist.mastodon.social.ap.brid.gy

& here is your regular reminder that the most important sector full of jobs AI have eliminated wasn't by substitution but by eliminating revenue from newspapers. I've heard it suggested that Google's way they found to fund "the mind of god" is the cause of democratic backsliding. 3/3 #AIEthics #FoW

news paper revenue building steadily though very nonmonotonically 195- until 2000, then just crashing exactly as google revenue rockets to the same level. Facebook comes in around 2008 and gets up to about where newspapers plateay around 2018, graph goes to about 2020. BTW can't find the carpe diem blog, it used to be easy to search for, guess someone doesn't want you to see this.
@sellathechemist.mastodon.social.ap.brid.gyOct 9, 2026, 8:31 PM

My son came home with COVID. I was vaxxed last Saturday. The next few days will be interesting.

A lateral flow test with a thin T line.
@sellathechemist.mastodon.social.ap.brid.gyOct 9, 2026, 8:23 PM

Rather depressing to hear the Israeli spokesperson leap straight to a demonstration of the truth of Godwin’s law in their opening reaction to #NaviPillay ’s Nobel.

@sellathechemist.mastodon.social.ap.brid.gyOct 9, 2026, 4:45 PM

It's been a pretty bonkers week which including touching the third rail with some very senior people, trying to keep teaching on the rails, and spending quality time with three of the finest gentlemen from UCL Estates I have the privilege of working with - […]

[Original post on mastodon.social]

Glyn Barrow, Marek Rutkowski and Richard Frost looking at AHU01 that serves XLG2 and realising that the pressure sensor has failed.
@heidilifeldman.mastodon.social.ap.brid.gyOct 9, 2026, 4:33 PMReposted by @sellathechemist.mastodon.social.ap.brid.gy

What a superb rebuke to Trump, who is determined to make the U.S. a wholly lawless state.

https://www.theguardian.com/world/2026/oct/09/navanethem-navi-pillay-wins-nobel-peace-prize

@sellathechemist.mastodon.social.ap.brid.gyOct 8, 2026, 8:07 PM

Why have a pot if you don't stir it?

@sellathechemist.mastodon.social.ap.brid.gyOct 7, 2026, 5:46 PM

@SusiArnott @martinvermeer Yes. Spot on. But time is a harsh mistress in the studio.

@sellathechemist.mastodon.social.ap.brid.gyOct 7, 2026, 5:37 PM

@martinvermeer Thank you. You’ve made my evening… (so far) 😜

@sellathechemist.mastodon.social.ap.brid.gyOct 7, 2026, 2:11 PM

@martinvermeer The best bit was that I spotted the green flash –the studio equivalent of Jules Verne's Le Rayon Vert – when the studio manager signals to teh presenter that "he'd better shut up chopchop". Usually, I'm too in the moment to spot it. 😂

@sellathechemist.mastodon.social.ap.brid.gyOct 7, 2026, 2:05 PM

@martinvermeer I think Ihad less than five minutes. It was a white knuckle ride complete with rain in the streets, left and right gloves in the studio and models of the enantiomers of alanine to increase the attention and focus of the presenters who barely got a word in edgeways.
Did it make any […]

@sellathechemist.mastodon.social.ap.brid.gyOct 7, 2026, 1:09 PM

On BBC world service in 12 minutes to talk about chirality. Now 11 minutes… 😜

@sellathechemist.mastodon.social.ap.brid.gyOct 4, 2026, 8:17 PM

Ping @emilymbender @timnitGebru (no doubt you’ve seen it)

@sellathechemist.mastodon.social.ap.brid.gyOct 4, 2026, 12:12 PM

This wins the internet today.

@sellathechemist.mastodon.social.ap.brid.gyOct 4, 2026, 12:10 PM

@lavaeolus Wifidisc? Or even, the naughtier sounding Wifeydisc

@sellathechemist.mastodon.social.ap.brid.gyOct 4, 2026, 12:01 PM

@lavaeolus Discworldnet? Discwifi?

@sellathechemist.mastodon.social.ap.brid.gyOct 4, 2026, 11:59 AM

Beware. If you are looking for Yuval Abraham and Rachel Szor's film "Naza" based on interviews with 24 Israeli soldiers, that is currently in film festivals and cinemas, you won't find it online. Instead you will find the IDF's "Naza - The True Story" that presents a very different picture of […]

@sellathechemist.mastodon.social.ap.brid.gyOct 4, 2026, 10:33 AM

@stephenkb.bsky.social The fact that childcare for the wealthiest is the headline policy in the news today tells you how shallow their pitch is. Where is the big picture? Where are the great ideas? Where are the fixes for what people think is wrong?

@sellathechemist.mastodon.social.ap.brid.gyOct 3, 2026, 9:12 PM

RE: https://mastodon.social/@Caligans/117242559230039631

Given my two jabs today, this feels a propos.

@sellathechemist.mastodon.social.ap.brid.gyOct 3, 2026, 9:21 AM

Have just had both 'flu and COVID jabs this morning, one per arm. The COVID jab was half a ml…

Let the immune system kick in and do its funky stuff.

#vaccination #JustDoIt

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