Stephen Sekula
@steve.mastodon.cooleysekula.net.ap.brid.gy
Particle #Astrophysics researcher, #SNOLAB Research Group Manager, #Professor of #Physics at Queen's University. I live and work in #Sudbury, #Ontario […]
🌉 bridged from ⁂ https://mastodon.cooleysekula.net/@steve, follow @ap.brid.gy to interact
🌉 bridged from ⁂ https://mastodon.cooleysekula.net/@steve, follow @ap.brid.gy to interact
“…we can build something better, stronger and more just. This is the task of the middle powers, who have the most to lose from a world of fortresses and the most to gain from a world of genuine co-operation.” (Canadian Prime Minister Mark Carney)
Read the full speech […]
Read the full speech […]
Original post on mastodon.cooleysekula.net
mastodon.cooleysekula.net
January 21, 2026 at 9:40 AM
“…we can build something better, stronger and more just. This is the task of the middle powers, who have the most to lose from a world of fortresses and the most to gain from a world of genuine co-operation.” (Canadian Prime Minister Mark Carney)
Read the full speech […]
Read the full speech […]
Reposted by Stephen Sekula
Voting for the Global Photowalk competition is now open! Explore breathtaking images that capture the beauty of science and creativity and vote for your favourite. 📸
✅ Cast your vote and help crown the winner: www.interactions.org/photowalk
#PhysPics25 #Physics
✅ Cast your vote and help crown the winner: www.interactions.org/photowalk
#PhysPics25 #Physics
January 20, 2026 at 2:00 PM
Voting for the Global Photowalk competition is now open! Explore breathtaking images that capture the beauty of science and creativity and vote for your favourite. 📸
✅ Cast your vote and help crown the winner: www.interactions.org/photowalk
#PhysPics25 #Physics
✅ Cast your vote and help crown the winner: www.interactions.org/photowalk
#PhysPics25 #Physics
‘Shattered’: US scientists speak out about how Trump policies disrupted their careers
https://www.nature.com/articles/d41586-026-00091-0
#science #damage
https://www.nature.com/articles/d41586-026-00091-0
#science #damage
January 20, 2026 at 1:21 PM
‘Shattered’: US scientists speak out about how Trump policies disrupted their careers
https://www.nature.com/articles/d41586-026-00091-0
#science #damage
https://www.nature.com/articles/d41586-026-00091-0
#science #damage
Uncertain Times
Several years ago, I was invited by a colleague of mine to join in an effort to teach a brief summer course entitled "The Secret City". The few-day course, taught at a satellite university campus in New Mexico, explored the story of the Manhattan Project and its aftermath. It […]
Several years ago, I was invited by a colleague of mine to join in an effort to teach a brief summer course entitled "The Secret City". The few-day course, taught at a satellite university campus in New Mexico, explored the story of the Manhattan Project and its aftermath. It […]
Original post on mastodon.cooleysekula.net
mastodon.cooleysekula.net
January 20, 2026 at 12:50 PM
Uncertain Times
Several years ago, I was invited by a colleague of mine to join in an effort to teach a brief summer course entitled "The Secret City". The few-day course, taught at a satellite university campus in New Mexico, explored the story of the Manhattan Project and its aftermath. It […]
Several years ago, I was invited by a colleague of mine to join in an effort to teach a brief summer course entitled "The Secret City". The few-day course, taught at a satellite university campus in New Mexico, explored the story of the Manhattan Project and its aftermath. It […]
If the skies clear, we might see some aurora tonight!
https://www.cbc.ca/news/science/northern-lights-9.7051431
https://www.cbc.ca/news/science/northern-lights-9.7051431
January 19, 2026 at 9:04 PM
If the skies clear, we might see some aurora tonight!
https://www.cbc.ca/news/science/northern-lights-9.7051431
https://www.cbc.ca/news/science/northern-lights-9.7051431
Every year, I reengage with Dr. Martin Luther King Jr.'s "I Have a Dream" speech. I listen for points in the speech that resonate with the current world ... that might help me to understand the world and find ways to a better future for everyone.
This year, I am reflecting on his point, "Let us […]
This year, I am reflecting on his point, "Let us […]
Original post on mastodon.cooleysekula.net
mastodon.cooleysekula.net
January 19, 2026 at 1:41 PM
Every year, I reengage with Dr. Martin Luther King Jr.'s "I Have a Dream" speech. I listen for points in the speech that resonate with the current world ... that might help me to understand the world and find ways to a better future for everyone.
This year, I am reflecting on his point, "Let us […]
This year, I am reflecting on his point, "Let us […]
It's internal proposal season at SNOLAB! A number of group managers, me included, at the lab were recently added to the proposal review body. This is intended to expand the perspectives in the decision-making process. I am excited for the next couple of days as we gather to review a wide variety […]
Original post on mastodon.cooleysekula.net
mastodon.cooleysekula.net
January 19, 2026 at 12:26 PM
It's internal proposal season at SNOLAB! A number of group managers, me included, at the lab were recently added to the proposal review body. This is intended to expand the perspectives in the decision-making process. I am excited for the next couple of days as we gather to review a wide variety […]
“Europeans were reeling Sunday from U.S. President Donald Trump’s announcement that eight countries will face 10% tariff for opposing American control of Greenland … Denmark, Norway, Sweden, France, Germany, the United Kingdom, the Netherlands and Finland would face the tariff … It was unclear […]
Original post on mastodon.cooleysekula.net
mastodon.cooleysekula.net
January 18, 2026 at 12:15 PM
“Europeans were reeling Sunday from U.S. President Donald Trump’s announcement that eight countries will face 10% tariff for opposing American control of Greenland … Denmark, Norway, Sweden, France, Germany, the United Kingdom, the Netherlands and Finland would face the tariff … It was unclear […]
Waiting for @jodi to get to Sudbury so we can salvage our precious weekend time.
January 17, 2026 at 9:29 PM
Waiting for @jodi to get to Sudbury so we can salvage our precious weekend time.
Reposted by Stephen Sekula
Summer undergraduate job applications are now open!
Join our team and gain hands-on experience in a cutting-edge research environment. For more information, view the job posting here: www.snolab.ca/wp-content/u...
Join our team and gain hands-on experience in a cutting-edge research environment. For more information, view the job posting here: www.snolab.ca/wp-content/u...
January 16, 2026 at 6:10 PM
Summer undergraduate job applications are now open!
Join our team and gain hands-on experience in a cutting-edge research environment. For more information, view the job posting here: www.snolab.ca/wp-content/u...
Join our team and gain hands-on experience in a cutting-edge research environment. For more information, view the job posting here: www.snolab.ca/wp-content/u...
January 16, 2026 at 9:30 AM
Reposted by Stephen Sekula
Meet Aryan!
Aryan is a student from the University of Waterloo studying Physics and Astronomy. He recently completed a student co-op term as part of our Fall 2025 student group, working on the DEAP-3600 experiment.
#StudentsAtSNOLAB
Aryan is a student from the University of Waterloo studying Physics and Astronomy. He recently completed a student co-op term as part of our Fall 2025 student group, working on the DEAP-3600 experiment.
#StudentsAtSNOLAB
January 15, 2026 at 5:52 PM
Meet Aryan!
Aryan is a student from the University of Waterloo studying Physics and Astronomy. He recently completed a student co-op term as part of our Fall 2025 student group, working on the DEAP-3600 experiment.
#StudentsAtSNOLAB
Aryan is a student from the University of Waterloo studying Physics and Astronomy. He recently completed a student co-op term as part of our Fall 2025 student group, working on the DEAP-3600 experiment.
#StudentsAtSNOLAB
Had a great time interacting with an audience of early career folks today during a McDonald Institute event on how to develop a CV and cover letter for job applications. I hope the perspectives from our panel discussion were useful to the audience. I loved their questions!
#cv #career #advice […]
#cv #career #advice […]
Original post on mastodon.cooleysekula.net
mastodon.cooleysekula.net
January 15, 2026 at 1:19 AM
Reposted by Stephen Sekula
Voting for the Global Photowalk competition is now open! Explore breathtaking images that capture the beauty of science. 📸
✅ Cast your vote and help crown the winner: www.interactions.org/photowalk
#PhysPics25 #Physics #SciencePhotography #VoteNow #Photowalk2025
✅ Cast your vote and help crown the winner: www.interactions.org/photowalk
#PhysPics25 #Physics #SciencePhotography #VoteNow #Photowalk2025
January 14, 2026 at 3:00 PM
Voting for the Global Photowalk competition is now open! Explore breathtaking images that capture the beauty of science. 📸
✅ Cast your vote and help crown the winner: www.interactions.org/photowalk
#PhysPics25 #Physics #SciencePhotography #VoteNow #Photowalk2025
✅ Cast your vote and help crown the winner: www.interactions.org/photowalk
#PhysPics25 #Physics #SciencePhotography #VoteNow #Photowalk2025
Reposted by Stephen Sekula
🎓 Together with colleagues from University of Liverpool, I am advertising three fully-funded #phd #studentships, commencing in October 2026. More details below.
📆 Deadlines: 31st January 2026, 15th February 2026, & 2nd March 2026
🚀 Boosts would be appreciated.
📆 Deadlines: 31st January 2026, 15th February 2026, & 2nd March 2026
🚀 Boosts would be appreciated.
January 14, 2026 at 8:57 AM
🎓 Together with colleagues from University of Liverpool, I am advertising three fully-funded #phd #studentships, commencing in October 2026. More details below.
📆 Deadlines: 31st January 2026, 15th February 2026, & 2nd March 2026
🚀 Boosts would be appreciated.
📆 Deadlines: 31st January 2026, 15th February 2026, & 2nd March 2026
🚀 Boosts would be appreciated.
The HALO Collaboration today had its first collaboration meeting in many years. There was a lot to share and discuss!
We had great turnout of the collaboration for the hybrid meeting, with about 2/3 in the room and 1/3 online. It was exciting to discuss operations and analysis needs, new […]
We had great turnout of the collaboration for the hybrid meeting, with about 2/3 in the room and 1/3 online. It was exciting to discuss operations and analysis needs, new […]
Original post on mastodon.cooleysekula.net
mastodon.cooleysekula.net
January 14, 2026 at 1:53 AM
The HALO Collaboration today had its first collaboration meeting in many years. There was a lot to share and discuss!
We had great turnout of the collaboration for the hybrid meeting, with about 2/3 in the room and 1/3 online. It was exciting to discuss operations and analysis needs, new […]
We had great turnout of the collaboration for the hybrid meeting, with about 2/3 in the room and 1/3 online. It was exciting to discuss operations and analysis needs, new […]
Saw this and immediately thought of you, for some reason. @matthewfeickert
https://beige.party/@transience/115890280103377674
https://beige.party/@transience/115890280103377674
Onigiri (@[email protected])
Attached: 1 image Today’s Thoughts From Henry: #acpc #pocketcampcomplete #henry #animalcrossing #science
beige.party
January 14, 2026 at 1:17 AM
Saw this and immediately thought of you, for some reason. @matthewfeickert
https://beige.party/@transience/115890280103377674
https://beige.party/@transience/115890280103377674
Reposted by Stephen Sekula
Did you know that SNOLAB’s underground laboratory space is maintained as a class-2000 clean lab?
Every piece of material that comes in, from nuts and bolts to large pieces of acrylic, is carefully cleaned. This lets us manage our lab as an ultra-clean environment.
🧵[1/2]
Every piece of material that comes in, from nuts and bolts to large pieces of acrylic, is carefully cleaned. This lets us manage our lab as an ultra-clean environment.
🧵[1/2]
January 13, 2026 at 4:52 PM
Did you know that SNOLAB’s underground laboratory space is maintained as a class-2000 clean lab?
Every piece of material that comes in, from nuts and bolts to large pieces of acrylic, is carefully cleaned. This lets us manage our lab as an ultra-clean environment.
🧵[1/2]
Every piece of material that comes in, from nuts and bolts to large pieces of acrylic, is carefully cleaned. This lets us manage our lab as an ultra-clean environment.
🧵[1/2]
Reposted by Stephen Sekula
📢 The Canadian Association of Physicists 2026 Annual Congress will be held in Ottawa, ON from June 22-26. The deadline to submit an abstract is coming up on January 15, 2026.
Find more details on abstract submission on the CAP website: cap.ca/congress-con...
Find more details on abstract submission on the CAP website: cap.ca/congress-con...
January 12, 2026 at 6:30 PM
📢 The Canadian Association of Physicists 2026 Annual Congress will be held in Ottawa, ON from June 22-26. The deadline to submit an abstract is coming up on January 15, 2026.
Find more details on abstract submission on the CAP website: cap.ca/congress-con...
Find more details on abstract submission on the CAP website: cap.ca/congress-con...
Snow like cotton on dormant plants. #silentsunday
January 11, 2026 at 3:16 PM
Snow like cotton on dormant plants. #silentsunday
Reposted by Stephen Sekula
Our vision is crystal clear: social spaces should belong to the people, forever. 🏡💙
No ads, no manipulative algorithms, no hidden agendas: a platform governed by and for its community.
Support Mastodon. Keep the internet in the hands of the people: Donate […]
[Original post on mastodon.social]
No ads, no manipulative algorithms, no hidden agendas: a platform governed by and for its community.
Support Mastodon. Keep the internet in the hands of the people: Donate […]
[Original post on mastodon.social]
January 9, 2026 at 8:07 PM
Our vision is crystal clear: social spaces should belong to the people, forever. 🏡💙
No ads, no manipulative algorithms, no hidden agendas: a platform governed by and for its community.
Support Mastodon. Keep the internet in the hands of the people: Donate […]
[Original post on mastodon.social]
No ads, no manipulative algorithms, no hidden agendas: a platform governed by and for its community.
Support Mastodon. Keep the internet in the hands of the people: Donate […]
[Original post on mastodon.social]
A very helpful resource for scientists and scientific organizations who are looking to finally cut the cord with corporate-controlled social media and get onto a platform that respects people and organizations for something other than money:
A […]
[Original post on mastodon.cooleysekula.net]
A […]
[Original post on mastodon.cooleysekula.net]
January 8, 2026 at 1:16 PM
A very helpful resource for scientists and scientific organizations who are looking to finally cut the cord with corporate-controlled social media and get onto a platform that respects people and organizations for something other than money:
A […]
[Original post on mastodon.cooleysekula.net]
A […]
[Original post on mastodon.cooleysekula.net]
Students at #snolab are starting to engage in our common orientation for research experiences. One particle that comes up really early is the #muon. Students often don't learn about subatomic particle properties other than #electrons, #protons, and #neutrons until late in university. I made this […]
Original post on mastodon.cooleysekula.net
mastodon.cooleysekula.net
January 8, 2026 at 12:57 PM
Students at #snolab are starting to engage in our common orientation for research experiences. One particle that comes up really early is the #muon. Students often don't learn about subatomic particle properties other than #electrons, #protons, and #neutrons until late in university. I made this […]
Reposted by Stephen Sekula
We just released Mastodon 4.5.4, 4.4.11, 4.3.17 and 4.2.29.
These versions contain various bug fixes, including a high and a moderate severity security fixes.
Mastodon v4.2.29 will be the last update for the Mastodon v4.2 branch, please update to newer versions as soon as you can.
Full […]
These versions contain various bug fixes, including a high and a moderate severity security fixes.
Mastodon v4.2.29 will be the last update for the Mastodon v4.2 branch, please update to newer versions as soon as you can.
Full […]
Original post on mastodon.social
mastodon.social
January 7, 2026 at 2:38 PM
We just released Mastodon 4.5.4, 4.4.11, 4.3.17 and 4.2.29.
These versions contain various bug fixes, including a high and a moderate severity security fixes.
Mastodon v4.2.29 will be the last update for the Mastodon v4.2 branch, please update to newer versions as soon as you can.
Full […]
These versions contain various bug fixes, including a high and a moderate severity security fixes.
Mastodon v4.2.29 will be the last update for the Mastodon v4.2 branch, please update to newer versions as soon as you can.
Full […]
Reposted by Stephen Sekula
Not sure where to start with Mastodon? Here's some new year coverage from @TechCrunch that provides a great overview. 🫶🏻
Want to learn even more? There's a fantastic community ready to help you level up your Fediverse skills. 🎉
https://techcrunch.com/2026/01/01/what-is-mastodon/
Want to learn even more? There's a fantastic community ready to help you level up your Fediverse skills. 🎉
https://techcrunch.com/2026/01/01/what-is-mastodon/
A beginner’s guide to Mastodon, the open source Twitter alternative
Unless if you’re really in the know about nascent platforms, you probably didn’t know what Mastodon was until Elon Musk bought Twitter and renamed it X. In the initial aftermath of the acquisition, as users fretted over what direction Twitter would take, millions of users hopped over to Mastodon, a fellow microblogging site. As time […]
techcrunch.com
January 7, 2026 at 11:00 AM
Not sure where to start with Mastodon? Here's some new year coverage from @TechCrunch that provides a great overview. 🫶🏻
Want to learn even more? There's a fantastic community ready to help you level up your Fediverse skills. 🎉
https://techcrunch.com/2026/01/01/what-is-mastodon/
Want to learn even more? There's a fantastic community ready to help you level up your Fediverse skills. 🎉
https://techcrunch.com/2026/01/01/what-is-mastodon/