John Carr reposted
John Carr
John Carr
@johncarrabc.bsky.social
Science, technology and the realities of climate change. Born in UK, living in France. Retired research scientist. Current affairs in EU, UK and USA.
830 followers706 following1K posts
John Carr reposted
The largest arms companies are mostly American, and Lockheed Martin is by far the largest. Following the Starlink debacle, the US is finished as a defence exporter. ⸻ Ref: SIPRI www.sipri.org/visualizatio... ⸻ The revenues of the largest arms-producing companies in the world, in 2024. 👇
John Carr reposted
1/ Phase 1 of Dogger Bank A offshore wind farm (302 MW, Target Commissioning Date 1st September, 2023) has missed its CfD long stop date of 30th November 2026, which has been extended to 31st July 2027. It's running almost four years behind schedule. ⸻ Ref: ReNews www.renews.biz/offshore-win... ⸻
John Carr reposted
❝ The Finnish Governmen gtranted today, 22 October 2026, to Posiva the operating licence for the encapsulation and final disposal facility for spent nuclear fuel located in Olkiluoto. This is the first operating licence anywhere in the world granted for the final disposal of spent nuclear fuel. ❞
John Carr reposted
Leonardo da Vinci invented the self supporting bridge between 1485-1487. This is how it works. Original post
John Carr reposted
Replying to @lightbucket.bsky.social
8/ The main bottlenecks in electricity transmission from Scotland to England arise at two transmission network boundaries: • the B4 boundary, between SSEN Transmission and SP Transmission; • the B6 boundary, between SP Transmission and NGET. ⸻ Ref: UKERC ukerc.ac.uk/news/transmi... ⸻
John Carr reposted
John Carr reposted
Slovakia's newest nuclear power unit, Mochovce 4, has been connected and started supplying its first electricity to the grid. www.world-nuclear-news.org/articles/moc...
John Carr reposted
John Carr reposted
"The Green Party conference is set to be dominated by Corbyn-era motions around Gaza, Zionism, Palestine. "These are dividing this party and risks, on some level, tearing it apart." Have the Greens got lost in 'fractious' politics? www.thenewsagents.co.uk/article/has-...
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John Carr reposted
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John Carr reposted
Fertility rates across many countries have converged, despite starting from very different levels. (This Data Insight was written by @hannahritchie.bsky.social.) In the thirty years since I was born, fertility rates in my country, the United Kingdom, have not changed much.
John Carr reposted
John Carr reposted
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John Carr reposted
John Carr reposted
Replying to @lhcb.bsky.social
These are hadrons number 84 and 85 observed at the LHC, of which 75 were observed by LHCb. The full list is maintained by @koppenburg.ch, see www.koppenburg.ch/particles.html .
John Carr reposted
The construction of a new nuclear power plant in Switzerland would be economically viable, according to a study carried out by the BAK Economics research institute on behalf of the Swiss business federation Economiesuisse. www.world-nuclear-news.org/articles/bui...
John Carr reposted
John Carr reposted
John Carr reposted
John Carr reposted
The right response to shifting orders of geography, trade and commerce “is not to mourn the world that was; it is to build for the world as it is”, argue the leaders of Canada and Finland in a guest essay
John Carr reposted
Taking back control of our borders part 2,648 UK citizens arriving in Gibraltar will have to show passports to Spanish border officials... ...Spaniards to have freedom of movement to Gibraltar #SunnyUplands #Brexit www.bbc.co.uk/news/article...
John Carr reposted
John Carr reposted
"Drax power station produced more carbon emissions than any other UK site in 2025 while receiving a record £999 million in public subsidies, according to new analysis from Ember."
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John Carr reposted
Les neutrinos ont la propriété de traverser la matière sans quasiment aucun effet physique. Les dispositifs expérimentaux les plus ambitieux essayent de les détecter en Antarctique, dans une mine canadienne ou au fond de la mer Méditerranée : www.quantamagazine.org/how-physicis...
John Carr reposted
John Carr reposted
John Carr reposted
Replying to @lightbucket.bsky.social
4/4 Looking at the overall loss of French nuclear generation, here's the daily average nuclear power output for the EU and France for the six weeks around the heat wave. The heat wave resulted in a 1% drop in French nuclear generation. ⸻ Ref: Fraunhofer ISE www.energy-charts.info/charts/energ...
John Carr reposted
John Carr reposted