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Arttu Rajantie

@artturajantie.bsky.social
846 followers 331 following 40 posts

Finnish cosmologist and particle physicist with two passports. Professor of theoretical physics at Imperial College. Chair of the Finnish Science Society in the UK. School governor. Rejoiner. #RejoinEU #FBPE profiles.imperial.ac.uk/a.rajantie

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Arttu Rajantie @artturajantie.bsky.social · 10/10/2026
Roadmap for Britain's return to the EU presented to Burnham www.independent.co.uk/bulletin/new...
independent.co.uk
Roadmap for Britain's return to the EU presented to Burnham
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Arttu Rajantie @artturajantie.bsky.social · 10/10/2026
I've just added my name to the call for the UK to join the European Union by 2036. A stronger economy, more jobs, greater security, and a louder voice in the world. Add your name: www.europeanmovement.co.uk/join_eu_by_2...
europeanmovement.co.uk
Add your name - Let's join the EU by 2036
Since 1949, we've held an unshakable belief in our country, that together, we are better with Europe. Join the European Movement today.
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Mike Galsworthy @mikegalsworthy.bsky.social · 28/09/2026
💥 HUGE NEWS 💥 “Ministers say it is ‘not if but how’ the prime minister puts rejoin in the next election manifesto” Exclusive for The Independent.
independent.co.uk
Burnham edges Labour closer to rejoining EU
Exclusive: After Ed Miliband told the Labour conference in Liverpool that Britain’s future is at the heart of Europe, ministers say it is ‘not if but how’ the prime minister puts rejoin in the next el...
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Arttu Rajantie @artturajantie.bsky.social · 25/09/2026
European Movement UK @europeanmovement.co.uk is looking for a Development Manager with significant frontline fundraising experience. Application deadline 30 September. www.europeanmovement.co.uk/current_vaca...
europeanmovement.co.uk
Current Vacancies
Since 1949, we've held an unshakable belief in our country, that together, we are better with Europe. Join the European Movement today.
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Arttu Rajantie @artturajantie.bsky.social · 25/09/2026
There is still time to apply for the position of Assistant / Associate Professor in Gravitational Wave Physics in the Department of Physics @imperialphysics.bsky.social at Imperial College London @imperialcollegeldn.bsky.social. The deadline is 30 September 2026. www.imperial.ac.uk/jobs/search-...
imperial.ac.uk
Description
Please note that job descriptions are not exhaustive, and you may be asked to take on additional duties that align with the key responsibilities ment...
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Arttu Rajantie @artturajantie.bsky.social · 25/09/2026
On 12 October, Parliament will debate the UK's future relationship with Europe. Please write to your MP to ask them to attend the debate, so we can make sure there is a serious discussion about our country's future as part of Europe? www.europeanmovement.co.uk/contact-mp-a...
europeanmovement.co.uk
Ask your MP to stand up for our future in Europe
On 12 October, Parliament will debate the UK's future relationship with Europe, after a government petition got over 100,000 signatures. Will you write to your MP to ask them to attend the debate?
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Mike Galsworthy @mikegalsworthy.bsky.social · 22/05/2026
🔥 VERY important that this hits target. The rally happens just 3 days before the 10th anniversary of the Brexit vote -- so the visuals from it will be used across media. Link —> www.gofundme.com/f/national-r...?
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Mike Galsworthy @mikegalsworthy.bsky.social · 22/05/2026
The Rejoin petition jumped from 70K to 75K yesterday. It needs to hit 100K by June 8th when the petition closes in order to get a debate in Parliament. The 10th anniversary of the Brexit vote is June 23rd.
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Colin Gordon @colinngordon.bsky.social · 21/05/2026
After Mandelson, after Russian oil: @emilythornberry.bsky.social gives Starmer and Nick Thomas Symonds a fairly serious bollocking over secrecy, lack of consultation, lack of a plan in its EU-UK reset operation. committees.parliament.uk/publications...
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Arttu Rajantie @artturajantie.bsky.social · 27/04/2026
Academic freedom slides globally, as it takes a nosedive in the US www.chemistryworld.com/news/academi...
chemistryworld.com
Academic freedom slides globally, as it takes a nosedive in the US
The last decade has seen institutional autonomy curbed in 50 countries
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Arttu Rajantie @artturajantie.bsky.social · 27/04/2026
‘It’s time for Labour to consider EU membership’ labourlist.org/2026/04/labo... – via LabourList
labourlist.org
'It’s time for Labour to consider EU membership' - LabourList
The world has change rapidly since Brexit. It's time for Labour to change it's red lines too - or at least talk about it.
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Imperial Physics @imperialphysics.bsky.social · 18/04/2026
The Higgs Boson and the Fate of the Universe – with Professor Rajantie 28 April 2026 7:00 pm - 8:30 pm www.friendsofimperial.org.uk/events/rajan...
friendsofimperial.org.uk
The Higgs Boson and the Fate of the Universe – with Professor Rajantie - Friends of Imperial College
public in-person lecture Exploring bosons, destructive bubbles and the fundamental laws of nature… Arttu Rajantie – Professor of Theoretical Physics, Department of Physics and the Abdus Salam Centre f...
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Arttu Rajantie @artturajantie.bsky.social · 23/04/2026
I will give the Friends of Imperial College Lecture "The Higgs Boson and the Fate of the Universe" next Tuesday 28 April. You can book your place here: www.friendsofimperial.org.uk/events/rajan...
friendsofimperial.org.uk
The Higgs Boson and the Fate of the Universe – with Professor Rajantie - Friends of Imperial College
public in-person lecture Exploring bosons, destructive bubbles and the fundamental laws of nature… Arttu Rajantie – Professor of Theoretical Physics, Department of Physics and the Abdus Salam Centre f...
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Arttu Rajantie @artturajantie.bsky.social · 20/04/2026
63% of Brits support rejoining the EU, excluding don't knows, according to the latest @yougov.co.uk poll. yougov.com/en-gb/articl...
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Arttu Rajantie @artturajantie.bsky.social · 17/04/2026
More than half of Britons support rejoining EU 10 years on from #Brexit vote www.theguardian.com/politics/202...
theguardian.com
More than half of Britons support rejoining EU 10 years on from Brexit vote
Experts say Labour’s ‘halfway house’ approach risks losing support from progressives and ‘red wall’ voters
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Arttu Rajantie @artturajantie.bsky.social · 09/04/2026
I will give a public talk about the Higgs Boson and the Fate of the Universe on Tuesday 28 April, organised by Friends of Imperial College. Book your place here: www.friendsofimperial.org.uk/events/rajan...
friendsofimperial.org.uk
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Arttu Rajantie @artturajantie.bsky.social · 31/03/2026
Should the United Kingdom join the European Union or stay out of the European Union? (BMGResearch polls) www.whatukthinks.org/eu/questions...
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Arttu Rajantie @artturajantie.bsky.social · 28/03/2026
This is pure 1984: Lord Vallance promises that there will be no reduction in UK particle theory postdoc numbers from ~20 per year. The actual number awarded in the last round in 2022 was 58. committees.parliament.uk/publications...
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Malcolm Fairbairn @malcfairbairn.bsky.social · 23/03/2026
I wrote a piece for the Times Higher about the current crisis in UK funding for particle physics, astrophysics and nuclear physics in the UK.
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Chatham House @chathamhouse.org · 17/03/2026
"I think Brexit was a colossal mistake." President Alexander Stubb of Finland spoke at Chatham House today about Brexit, the opportunities for cooperation between Europe and the UK, enlargement of the EU and the need for ‘flexible integration’.
chathamhouse.org
Brexit was ‘a colossal mistake’, says President Stubb of Finland – but Europe should build a flexible partnership with the UK
During a speech at Chatham House the president outlined why the EU must embrace ‘flexible integration’ to forge closer relations with the UK and countries like Ukraine.
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Arttu Rajantie @artturajantie.bsky.social · 14/03/2026
Rachel Reeves to make new push for greater single-market access www.ft.com/content/111f...
ft.com
Rachel Reeves to make new push for greater single-market access
Some member states, led by France, expect the UK to pay into the EU budget in return
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Arttu Rajantie @artturajantie.bsky.social · 14/03/2026
Onwurah: UK research funding cuts ‘wholly unacceptable’ www.timeshighereducation.com/news/onwurah...
timeshighereducation.com
Onwurah: UK research funding cuts ‘wholly unacceptable’
Science committee chair describes ‘widespread cuts’ to strategically important research as ‘failure’ of leadership
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European Movement UK @europeanmovement.co.uk · 10/03/2026
Today, European Movement UK have launched our petition calling for the UK to join the single market. Europe is the largest trading bloc in the world, and joining the single market would remove barriers to trade, support growth of British businesses and strengthen cooperation with Europe.
European Movement UK has launched a petition calling for the UK to join the EU single market. Six years outside our largest trading partner has meant more barriers, more costs and lost growth for British businesses. It is time to repair the damage. Sign the petition and demand a reset with Europe. Sign the petition.
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Arttu Rajantie @artturajantie.bsky.social · 17/02/2026
Today marked the completion of the highly successful CONNECTS-UK @connects-uk.bsky.social project, which brought together several European research diaspora organisations in the UK, including @finscisocuk.bsky.social. It created a solid basis on which our co-operation will continue.
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Arttu Rajantie @artturajantie.bsky.social · 16/02/2026
These cuts to physics research will be a disaster for UK scientists – and for our standing in the world | Jon Butterworth www.theguardian.com/commentisfre...
theguardian.com
These cuts to physics research will be a disaster for UK scientists – and for our standing in the world | Jon Butterworth
If plans by the UK’s science funding body go ahead, we won’t be able to benefit from Britain’s membership of Cern and other large international projects, says Jon Butterworth, professor of physics at ...
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Arttu Rajantie @artturajantie.bsky.social · 10/02/2026
The future of fundamental physics research in the UK is under serious threat because of the massive government cuts to STFC funding. Please read this open letter by advanced fellows. advancedfellows-openletter-stfc.github.io/index.html
advancedfellows-openletter-stfc.github.io
Advanced Fellows Response to UKRI Investment Approach
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European Movement UK @europeanmovement.co.uk · 09/02/2026
A recent poll by Opinium, commissioned by European Movement UK, found that 75% of Britons favour joining the Single Market to lower taxes. Rejoining would be a practical step towards economic renewal and a more confident role in the world - we must act soon to prevent any more damage to the country.
Sadiq Khan: My ultimate goal is to reverse Brexit. London Mayor believes it will happen in his lifetime and wants to rejoin single market in meantime. 9 February.
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Mike Galsworthy @mikegalsworthy.bsky.social · 28/01/2026
So close to 27,000 members of @europeanmovement.co.uk! Make sure you’re part of the community. 👉👉 www.europeanmovement.co.uk/membership
Screenshot of EMUK sign-up page
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Mike Galsworthy @mikegalsworthy.bsky.social · 28/01/2026
European Movement UK nearly at 27,000 members! Join the community now to boost the campaign to bury Brexit and join the EU. —> www.europeanmovement.co.uk/membership
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David Henig @davidheniguk.bsky.social · 26/01/2026
The Telegraph just released a video talking about the EU's aims to become a superpower, and er, they have the UK as members...
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Arttu Rajantie @artturajantie.bsky.social · 25/01/2026
After my first in-person European Movement UK @europeanmovement.co.uk Council meeting yesterday, I am really looking forward to the year ahead. Geopolitics makes joining the EU even more important now. We will make it happen but we need help, so join the movement here: www.europeanmovement.co.uk
europeanmovement.co.uk
European Movement
European Movement UK is the UK's largest grassroots organisation fighting Brexit's damaging impact on jobs, workers' rights, and trade. We campaign for closer UK-EU relations, restored freedom of move...
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Andrew Hesselden @andrewhesselden.bsky.social · 23/01/2026
British people know that visa free travel/living/working/studying is good for everyone.
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European Movement UK @europeanmovement.co.uk · 21/01/2026
Join European Movement UK today:
europeanmovement.co.uk
Become a Member of the European Movement
Join the movement for a European future
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European Movement UK @europeanmovement.co.uk · 20/01/2026
Dan O’Brien, chief economist at the Institute of International and European Affairs, says it cleanly. Britain is weaker outside the EU, and Europe is weaker without Britain, and Brexit has handed advantage to the bullies who see allies as leverage.
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European Movement UK @europeanmovement.co.uk · 19/01/2026
The UK cannot build our security on unpredictability - our safest and most stable path forward lies with our European neighbours. Full statement is linked below.
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Arttu Rajantie @artturajantie.bsky.social · 22/12/2025
UK to welcome Erasmus students again from 2027 felixonline.co.uk/articles/uk-...
felixonline.co.uk
UK to welcome Erasmus students again from 2027
The deal covers the 2027-28 academic year, and marks a reversal from Prime Minister Boris Johnson’s post-Brexit withdrawal from the scheme.
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Arttu Rajantie @artturajantie.bsky.social · 11/12/2025
Which science experiment would I like to see done if money was not an issue? Read my answer in the latest @newscientist.com:
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Arttu Rajantie @artturajantie.bsky.social · 17/11/2025
This is exciting. Heavy ion collisions generate the strongest magnetic fields in the Universe in which magnetic monopoles could be produced by the dual Schwinger mechanism (see doi.org/10.1103/Phys...). There are now three experiments searching for them at the LHC: MoEDAL-MAPP, ATLAS, and ALICE.
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Arttu Rajantie @artturajantie.bsky.social · 15/11/2025
I am delighted to share that I have been elected to serve on the council of the European Movement UK @europeanmovement.co.uk for the next two years. Thank you everyone who voted. And if you are not yet a member, now is the time to join! www.europeanmovement.co.uk
europeanmovement.co.uk
European Movement
European Movement UK is the UK's largest grassroots organisation fighting Brexit's damaging impact on jobs, workers' rights, and trade. We campaign for closer UK-EU relations, restored freedom of move...
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Arttu Rajantie @artturajantie.bsky.social · 12/11/2025
The deadline for voting in the European Movement UK @europeanmovement.co.uk elections is this Friday 14 November. If you are a member, don't forget to vote. If you are not, join!
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Arttu Rajantie @artturajantie.bsky.social · 11/11/2025
Freedom of movement is always discussed in terms of immigration, but ending it had a much bigger effect on emigration: The number of British citizens moving abroad (to any country) fell by nearly 50%. #Brexit (Source: ons.gov.uk/peoplepopula...)
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Arttu Rajantie @artturajantie.bsky.social · 05/11/2025
I am standing in the elections for the European Movement UK @europeanmovement.co.uk council. If you are a member, please vote (for me or one of the other great candidates) using the link you received by email. If not, you should join! (Photo by Betty Zapata, courtesy of @neweuropeansuk.bsky.social)
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Arttu Rajantie @artturajantie.bsky.social · 25/10/2025
It is ridiculously expensive to come and work in the UK, and it is hurting scientific research.
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CaSE @sciencecampaign.bsky.social · 22/10/2025
This analysis from The Royal Society highlights an extremely important issue facing the UK R&D sector.
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Arttu Rajantie @artturajantie.bsky.social · 25/10/2025
The cost of a visa for a researcher moving to the UK is 22 times that of international average: www.chemistryworld.com/news/the-cos...
chemistryworld.com
The cost of a visa for a researcher moving to the UK is 22 times that of international average
Royal Society is warning that the high upfront costs are putting off talented researchers
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Finnish Science Society in the UK @finscisocuk.bsky.social · 13/10/2025
Hei kaikki! We are finally here on Bluesky, and have lots of exciting things planned for the upcoming year, so do give us a follow! To get us started, this Friday (17.10) we are hosting a welcome meeting at the Star Tavern (SW1X 8HT) from 4:30pm. All Finnish & Finnish minded researchers welcome!
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Arttu Rajantie @artturajantie.bsky.social · 22/10/2025
Scientists charged too much to come to work in UK, says @royalsociety.org www.ft.com/content/7144...
ft.com
Scientists charged too much to come to work in UK, says Royal Society
Combined upfront cost of the five-year Global Talent Visa and the Immigration Health Surcharge stands at £5,941
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Arttu Rajantie @artturajantie.bsky.social · 27/09/2025
Good news: Reeves pushes for EU youth migration scheme ahead of Budget www.bbc.com/news/article...
bbc.com
Rachel Reeves pushes for EU youth migration scheme ahead of Budget
The chancellor calls for an 'ambitious' deal as she looks to boost growth ahead of the 26 November Budget.
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Arttu Rajantie @artturajantie.bsky.social · 26/09/2025
I hope this will now finally happen: UK students get chance to study in Europe from January 2027 under new Erasmus deal inews.co.uk/news/politic...
inews.co.uk
UK students get chance to study in Europe from January 2027 under new Erasmus deal
The EU is pushing for a rapid agreement for Britain to rejoin the student exchange scheme
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Arttu Rajantie @artturajantie.bsky.social · 10/12/2024
The #Brexit "reset" talks are starting soon. Make sure the government knows what you want from them. www.bbc.com/news/article...
bbc.com
Rachel Reeves signals wider reset of EU relations
Labour has ruled out rejoining the EU but may be open to alignment on areas such as farm and food exports.
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