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Tom Radcliffe

@tjradcliffe.bsky.social
1.6K followers 299 following 6.9K posts

Physicist, Breakthrough Prize Laureate (SNO), poet, engineer, writer, actor, sailor, canoeist, kayaker, boat-builder, businessman, philosopher (Bayesian), executive, entrepreneur (unsuccessful), consulting scientist, inventor, husband, father, grandfather.

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Reposted by Tom Radcliffe
Danielle Beckman @daniellebeckman.bsky.social · 28/09/2026
Recent photo at the NHS. Over 6 years into #COVID, and we still have “wash your hands” under “AIRBORNE PRECAUTIONS.” We are failing hard to communicate one of the most basic lessons of this pandemic: Airborne means spread through the AIR. Clean air is infection control. #Airborne #PublicHealth #NHS
Photo shows a sign at NHS that says: Airborne precaution
Please wash your hands before entering the training room. Thank you
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Ed Maibach @maibached.bsky.social · 25/09/2026
Happy Stanislav Petrov Day He passed in 2017. As Encyclopedia Britannica puts it, “He is survived by his two children, two grandchildren, and the entire human race.” If you don't know his story, please take 3 minutes now to learn it. @gchalliance.bsky.social @docsforclimate.bsky.social
sammatey.substack.com
Happy Stanislav Petrov Day
Take five minutes to not destroy civilization
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Patrick Canning 🇨🇦 @patrickcanning.bsky.social · 26/09/2026
We don't want to make the BCLNG Party look bad...
cbc.ca
RCMP watchdog postpones report on B.C. resource standoff policing due to snap election | CBC News
First Nations leaders and civil liberties advocates are concerned after the RCMP's federal review agency postponed release of a much-anticipated investigation into protest policing in British Columbia...
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Clinically Vulnerable Families 💙💜💗 @cvcev.bsky.social · 24/09/2026
Credit to @barrygardiner.bsky.social MP for raising air quality in schools at the UN today. @london.gov.uk 's work is a welcome first step. But *all* children deserve clean air. 1/2
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Clinically Vulnerable Families 💙💜💗 @cvcev.bsky.social · 24/09/2026
Why should we clean the air in schools? - Reduces pollutants which cause asthma, multiple cancers, and dementia. - More resilient to airborne disease and pandemics We need health-based standards for air quality in schools. Fund ventilation filtration and maintenance. #HIAS2026
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Clinically Vulnerable Families 💙💜💗 @cvcev.bsky.social · 24/09/2026
3. We must turn our commitment into concrete cooperation supporting countries and ensuring. We must be able to ensure environments that protect health, as indoor air must not be a privilege, it must become the norm and this is the challenge that we must take together.
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Clinically Vulnerable Families 💙💜💗 @cvcev.bsky.social · 24/09/2026
2. We must strengthen our ability to joint define the quality levels we expect from our indoor environments, as well as the means to measure and achieve them based on science, data, and the sharing of best practices.
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Clinically Vulnerable Families 💙💜💗 @cvcev.bsky.social · 24/09/2026
💨Healthy Indoor Air in Schools France : 3 Priorities 1. We must make indoor air quality a fully integrated component of public health and prevention policies, particularly in schools and facilities serving the most vulnerable populations.
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Nick Sousanis @nsousanis.bsky.social · 22/09/2026
in my talk today, as an example of the strange things you can do in comics given their sequential but also spatial/simultaneous nature, I included this gonzo panel from 1950s Batman, which I just love in all its weirdness! Yes, I have more intentionally clever examples, but something about this...
part of a page from a batman comic. In one panel, batman leaps from off panel onto a diving board, the motion lines of his rebound travel across to another panel, where we see him finish his leap and crash into the crooks to save the day
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trc 🇨🇦 🏴󠁧󠁢󠁥󠁮󠁧󠁿 🏴󠁧󠁢󠁷󠁬󠁳󠁿 🇦🇲 @covell.ca · 19/09/2026
"The Times of India claimed that I had quit writing to become a gardener. ... The entire article is fabricated. My secret garden would be hilarious if it didn’t come with real-life consequences."
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Sluggo Smith @sluggosmith.bsky.social · 19/09/2026
Make no mistake...this is taxpayer funded human trafficking. The rape and murder of these children will be future headlines.
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Faine Greenwood @faineg.com · 19/09/2026
Innocent civilians are being murdered with dirt-cheap and essentially impossible to ban tiny flying robots at shocking numbers globally (read our piece below). We have REAL, CURRENT cyberpunk horrors to deal with right now, and we don’t need to waste our time on hypothetical AI basilisks.
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Mark Ungrin @mark-ungrin.bsky.social · 18/09/2026
Once more for the peanut gallery. 👉Is *anyone* aware of any specific primary evidence that proves Ebola is not, and cannot easily become, airborne?👈 Current WHO guidance is based on the absolute certainty that this is true (just like COVID 🤨) - so why can no one answer this? 🎲🎲 #medsky #polisky
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Mark Ungrin @mark-ungrin.bsky.social · 18/09/2026
There are reasonable grounds to suspect that Ebola could be at least partially airborne, albeit comparatively inefficiently. For the moment. Whether or not this is the case, public health and infection control appear to be gambling with Ebola the same way they gambled (and lost) with COVID.
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Kate from Kharkiv @kateinkharkiv.bsky.social · 19/09/2026
​We are all just trying to have our morning coffee on the ruins of our lives and towns. We are just trying to keep living in this impossible times.
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The Kyiv Independent @kyivindependent.com · 19/09/2026
All of the EU's 3,000 sanctions against individuals helping Russia's war effort could be extinguished overnight if Brussels, Paris, and Azerbaijan fail to find a compromise by Sept. 21, EU diplomats told the Kyiv Independent.
kyivindependent.com
All EU sanctions linked to Russia's war may expire as France, Slovakia seek to delist oligarchs
All of the EU's 3,000 sanctions against individuals helping Russia's war effort could be extinguished overnight if Brussels, Paris, and Azerbaijan fail to find a compromise by Sept. 21, EU diplomats t...
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Bean & Sprout's Mom @beansproutsmom.bsky.social · 19/09/2026
Ooooh @barryhunt008.bsky.social !
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Christophe Veltsos @drinfosec.bsky.social · 19/09/2026
🎯🧵by @1goodtern.bsky.social on XTwitter: "Ten news story headlines to which the answer is 'partly or wholly because of the ongoing and lasting damage caused by Covid Infections'." 54-tweet🧵 (just a little over 10😉) threadreaderapp.com/thread/21012...
Ten news story headlines to which the answer is "partly or wholly because of the ongoing and lasting damage caused by Covid Infections".
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Tom Radcliffe @tjradcliffe.bsky.social · 20/09/2026
Canada needs higher taxes to rebuild state capacity and social democracy. We have what the world wants: stability, expertise, and resources. We don't need tax cuts to attract investors. We need healthy, housed, citizens.
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Amanda Silberling @amanda.omg.lol · 19/09/2026
this is a cry for help and also @ceaubin.com’s fault kind of
reading hpmor on an ereader
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jamelle @jamellebouie.net · 19/09/2026
oh...this is bad
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The Bully Pulpit 🇨🇦 @thebullypulpit.bsky.social · 19/09/2026
That's a rhetorical question, right? You DO know the answer...? (Jesus Christ they genuinely don't know. Hint: It's not Trump. It's what — even now — enables Trump) Next November NOT being a clean sweep by science-abiding, community-minded, anti-corruption politicians is how.
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David Keegan @drdavidkeegan.bsky.social · 19/09/2026
www.ctvnews.ca/calgary/arti... @mark-ungrin.bsky.social
ctvnews.ca
‘Outdated’ health policies surrounding Covid still pose a danger today, says U of C researcher
University of Calgary professor Mark Ungrin has dedicated years of research highlighting what he believes is of significant concern to all Canadians’ health.
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Kate from Kharkiv @kateinkharkiv.bsky.social · 19/09/2026
A 7-year-old boy is in intensive care following yesterday's Russian guided aerial bomb strike on a residential building in Sumy. His parents, a 52-year-old man and a 45-year-old woman, were killed on the spot.
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Jens von Bergmann @jensvb.bsky.social · 16/09/2026
Whitespace\u00A0is\u00A0not\u00A0actually\u00A0evil,\u00A0it\u00A0is\u00A0just\u00A0misunderstood.
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David Roberts @volts.wtf · 16/09/2026
As I said the first time Trump proposed tariffs: this is precisely why he likes them! It makes everyone come to him on bended knee, begging for exemptions. It makes economic survival dependent on his whim. That, not any economic theory, is the whole attraction. Mafia boss thinking.
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Bean & Sprout's Mom @beansproutsmom.bsky.social · 14/09/2026
How sweet. @davidebybc.bsky.social spending big bucks to protect BC chickens, not BC children, from flu. MERV *16* (16!) air filters and UV technology. #bced #bcpoli @chantzy.bsky.social @tjradcliffe.bsky.social @mosssphagnum.bsky.social @donoharmbc.bsky.social vancouversun.com/news/after-d...
vancouversun.com
After the death of 10 million birds, there's a glimmer of hope for B.C.'s poultry farmers
As birds migrate south over B.C., avian flu outbreaks typically spike. Could new technology help?
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Dr. Jen Irwin @drjenirwin.bsky.social · 16/09/2026
To all claiming to value kids while not masking b/c we didn’t do it regularly before 2020, when we know better we should do better. ‘post-acute symptom prev (~21 - 24%) comparable across the 3 viruses; symptom profiles were strikingly virus-specific & age-dependent.’ www.ovid.com/jnls/md-jour...
ovid.com
Post-acute symptom persistence following... : Medicine
Persistent symptoms following acute viral respiratory infections are increasingly recognized in children. While post-acute sequelae of severe acute...
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Bean & Sprout's Mom @beansproutsmom.bsky.social · 16/09/2026
The last breath of the aerosol-generating procedure? Scotland's new infection-control guidance and implications for anaesthesia   research-information.bris.ac.uk/en/publicati...
Abstract
In August 2026, Scotland fundamentally changed its infection control guidance regarding how respiratory disease transmission risk is managed - replacing the droplet–airborne dichotomy with the simpler concept of air transmission, and entirely removing the aerosol-generating procedure (AGP) list. This evidence-informed approach is based largely on the findings of clinical aerosol studies undertaken during COVID-19 which demonstrated that many procedures on the existing AGP lists, such as tracheal intubation, generate little or no respiratory aerosol (substantially less than talking or coughing). Removing the AGP list does not mean less protection; it means precautions are based on the likely pathogen, patient's respiratory activity, practitioner exposure and environment. Scotland’s revised guidance offers a timely opportunity to replace the inherited dogmas in international guidelines with rational and evidence-informed respiratory protection before the next respiratory disease pandemic.
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Jens von Bergmann @jensvb.bsky.social · 16/09/2026
cansim v0.5.1 is not on CRAN. This is a minor update that tweaks how the package notifies users when it sanitizes StatCan dimension and member names. Sanitizing labels is needed because raw StatCan data ships with hidden characters that can lead to silent data loss.
mountainmath.github.io
Retrieve and work with public Statistics Canada data tables in R
Searches for, accesses, and retrieves Statistics Canada data tables, as well as individual vectors, as tidy data frames. This package enriches the tables with metadata, deals with encoding issues, all...
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Tom Radcliffe @tjradcliffe.bsky.social · 16/09/2026
Infrastructure gets rebuilt fast. To effectively degree attacks must be ongoing and precisely targeted on the fragile bits.
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Dr. Samantha Hancox-Li @sjshancoxli.liberalcurrents.com · 13/09/2026
"actually the person you are talking about has been kicked out of the trans community because--" gonna stop you right there. you can't actually kick trans people out of being trans.
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Tom Radcliffe @tjradcliffe.bsky.social · 13/09/2026
If only there was spme cheap and simplify of stopping this kind of outbreak, like continuous wear N95s for staff in all aerosol-connected areas and 10 ACH clean air delivery via turned on filtration systems or upper room UV. Oh well, I guess there's just nothing to be done. :-(
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Imani Gandy @angryblacklady.blacksky.app · 12/09/2026
The international chess Federation banned trans women from playing women's chess. CHESS. It's not about fairness. The fairness argument is intended to radicalize people into more violent forms of transphobia.
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Tanita Tikaram @tanitatikaram.bsky.social · 12/09/2026
What I love about Western democracy is you can bung a political party £ 36 million earned from criminal activity & most media will continue to point at asylum seekers & migrant care workers with families as the barbarians at the gate we need to defend ourselves from 🙄.
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Our World in Data @ourworldindata.org · 12/09/2026
In 2025, they consumed around 5% of the country’s electricity. But demand is even more localized than this. There are numerous states where data centers represent more than 10% of power demand. In Virginia, it’s over a quarter.
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The Vertlartnic @thev.bsky.social · 12/09/2026
Perhaps This Is The Exit Wave
An optimistic man
Headline:
Perhaps This Is The Exit Wave

Story by Mary Bellamy and Garl Swedespot

Photo from Adobe
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The Ukrainian Review @theukrainianreview.bsky.social · 12/09/2026
🇺🇦 Budanov strengthens Ukraine's position far beyond Europe, — CNN CNN writes about this in an article about the activities of Ukrainian military specialists in Africa and other regions of the world. Ukrainian specialists are training foreign partners to use drones and counter Shahed drones.
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lowtax speedrun enjoyer @rickywlmsbong.bsky.social · 12/09/2026
has anyone made the “first orangeman to support a united ireland” joke yet or
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Surprised Eel Historian, PhD @greenleejw.bsky.social · 11/09/2026
It's Friday. I wrote a poem about the spiders who are trying to kill me.
Poem and art. A poem titled, "Ambition" with a black and white drawing of something that might be a spider. The poem begins on the left side of the page, has one line in the middle of the page, and then continues on the right side of the page. The drawing of the spider is on the bottom right.

The text of the poem reads:

"The spiders here are bold.
They stretch their thin lines
all the way across the sidewalk,
from fence to wall,
hoping, I think, to clothesline me,
knock me to the ground,
then rush out to secure me
before I struggle to my feet.
Perhaps they dream of
dragging me into their halls,
to feast like Vikings
at the never-emptied table,
hosting foes and granting rings
and singing songs of victory
about my death."

 It has not worked yet.

Every time
I walk on through their traps,
hardly even pausing in my stride
to let them think they had a chance.
I am a hammer
to their nets and hopes,
inconsiderate and blunt.
And yet, despair does not claim them.
They are persistent hunters,
for every time I take another lap,
and come again into the space
that runs between
the fencing and wall,
I have to wipe away a brand new snare
that some ambitious spider 
spun across my path
in futile hopes of glory.

One day, bold friend,
you might be king among the spiders
and fete your shield-kin on my heart.
But not today."

The drawing of the spider is a black and white ink-pen drawing, made of abstract shapes and lines. The spider appears to have wavy hair, which is a little concerning, and deformed pincers. This is not an accurate rendering of a spider, but don't tell it that. It has skeptical eyes.
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Discworld Bot @discworldbot.bsky.social · 12/09/2026
"Oh," said Rincewind. "You understand?" said Ponder. "No. I was just hoping that if I didn’t say anything you’d stop trying to explain things to me." 𝒯𝒽𝑒 𝐿𝒶𝓈𝓉 𝐻𝑒𝓇𝑜
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Aaron Wherry @aaronwherry.bsky.social · 11/09/2026
For those who didn't catch Jean Chrétien's remarks to the Gander 9/11 commemoration... www.cbc.ca/news/canada/...
cbc.ca
Jean Chrétien says ‘we bow to no one’ in stirring 9/11 speech in Gander, N.L. | CBC News
Former Canadian prime minister Jean Chrétien drew thunderous applause on Friday during a fiery and patriotic speech in Gander, N.L, where many had gathered at a sports arena to commemorate the 25th an...
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The Kyiv Independent @kyivindependent.com · 12/09/2026
Russia has been using Claude AI in cyberattacks against Ukraine and Europe in recent months, targeting various government ministries and the WhatsApp accounts of high-level officials, Anthropic wrote in a Sept. 10 report.
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M-A.Stay’Legit™️🇨🇦 @bagdmilksowhat.bsky.social · 11/09/2026
🇨🇦😂🇨🇦
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Canada's National Observer @nationalobserver.com · 12/09/2026
The Alberta government is planning to take over the province's natural gas pipeline system to ensure tech companies and oil majors will have enough natural gas for their operations — even if it makes gas more expensive for Albertans, a leaked document reveals.
nationalobserver.com
Alberta could spend billions on public gas pipelines to fuel data centre boom, leaked document suggests
The document was presented at a Sept. 10 cabinet meeting by Energy Minister Brian Jean. It lays out an expansive plan to expand the province's natural gas network by bringing it under public ownership...
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Accessibility Awareness @a11yawareness.bsky.social · 12/09/2026
When creating PDFs, avoid using "Print to PDF." A screen reader user may still be able to access the text of PDFs created this way, but heading structure, alternative text, and any other tag structure will be lost. Using "Save As" or "Export" can preserve these tags.
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Tod Maffin 🇨🇦 @todmaffin.com · 11/09/2026
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Drew Anderson @drewanderson.bsky.social · 12/09/2026
Reaction to our scoop this morning on potential government plans to take control over natural gas pipelines in Alberta. With acknowledgement from the Alberta government. #abpoli thenarwhal.ca/alberta-oppo...
thenarwhal.ca
Alberta’s alleged push for more AI data centres, oil and gas, sparks outrage | The Narwhal
‘For her foreign billionaire friends’: Opposition leader accuses Danielle Smith of possibly raising energy bills for AI data centres. Here’s a peek at the leaked doc he’s talking about
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Tom Radcliffe @tjradcliffe.bsky.social · 11/09/2026
Next time it happens Towers fall through autumn air You will be alone
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David Elfstrom 🍁 @davidelfstrom.bsky.social · 11/09/2026
As the western provinces move to permanent Daylight Savings Time, there's real safety and health concerns. It should really have been permanent Standard Time. Here's what school facilities need to consider:
reminetwork.com
Dark edge awaits Alberta and B.C. school days - REMI Network
Alberta and B.C. schools days will begin in the dark this fall and winter after the two provinces transition to permanent daylight saving time on Nov. 1
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