Pablo Saavedra Garfias
@dunklewolke.bsky.social
Atmospheric physicist based in 🇩🇪. Research 🌨️ in Polar regions. 👨🏽💻, 🏊🏾♂️, 🎾, ☕.
Leipzig Universität
https://pablosaa.github.io
Dust particles absorb and scatter sunlight thus having a cooling effect. A sort of Teleconnection between the dust decline in parts of asia and the #warming-arctic has been reported👇🏽. We need to understand & stress the fact that the #Arctic isn't isolated from the global #climate 🧪🎢 #PolarClimate
Dust Declines in Parts of Asia May Be Caused by the Warming Arctic - Eos
Rising Arctic temperatures have changed both wind patterns and precipitation in areas that carry dust to West and South Asia, but the change may not be permanent.
eos.org🤯"a new study on average every 2 to 3 days" assuming normal-dist means even multiple papers a day! Although big differences by subjects, how it's still possible to cope with lectures, lab work, admin & still have time to do actual research, write, publish & proof reading at that rate?🧪 #AcademicSky
Norway university committee recommends probe into the country’s most productive researcher
Filippo Berto, by ONOLO – Own work, CC BY-SA 4.0 In 2019, Filippo Berto was hailed as Norway’s most productive researcher, publishing a new study on average every two to three days. Fiv…
retractionwatch.comFor computer nerds: the #Commodore64 home computer will be revived as a “pop icon” during a conference on July 5 and 6 at the University of Bonn, #Germany. Lectures, hand-ons, exhibitions with free registration for in person or on-line attendance: www.uni-bonn.de/en/news/119-... #ITechMath
As more energy in form of heat is hold near surface, the atmosphere becomes unstable thus turbulent air arises & favours wind shear. An scenario enforced by global warming, but saying the culprit for the tragic case of Singapore airlines was #climate-change is just unprovable and misused by deniers🧪
Singapore Airlines turbulence: why climate change is making flights rougher
Warming temperatures are likely to mean that more of your plane ride will have rocky conditions, creating potentially dangerous situations. Warming temperatures are likely to mean that more of your pl...
www.nature.comEven more important point to worry about is "activists who pretend to be scientists", which is a major misleading form of instrumentalization. Activist and deniers use the same mouthful sciency language to push their convenient narrative. 🧪🎢 #climate #change #global #warming
The importance of distinguishing climate science from climate activism - npj Climate Action
I am concerned by climate scientists becoming climate activists, because scholars should not have a priori interests in the outcome of their studies. Likewise, I am worried about activists who pretend...
www.nature.comDomestic food has evolved within a stable #climate for hundreds of thousands years. CO2 increase can only destabilise the food chain when considering all aspects of climate change and not only photosynthesis. All well explained 👇🏽 & references. 🧪🎢
Is More CO2 (Carbon Dioxide) Good for Plants or Not? Hint: Harmful Side Effects
You often hear human induced climate change skeptics (especially those funded by fossil fuel lobby groups) say "CO2 is plant food" but the following tvideo e...
m.youtube.comEfforts to reduce carbon footprint are important but not every individual has the same carbon footprint. Policies should address the part of the population that can afford make significant reductions without major burden to effectively achieve considerable reductions on CO2 emmisions.
The world’s top 1% of emitters produce over 1000 times more CO2 than the bottom 1% – Analysis - IEA
The world’s top 1% of emitters produce over 1000 times more CO2 than the bottom 1% - A commentary by Laura Cozzi, Olivia Chen, Hyeji Kim
www.iea.org👍🏽"The joy of learning even after formal education has finished is one of the things I liked the most". Kudos to research institutions for given the opportunity to highschool students to experience first class research. Such education system ensures future brilliant scientist 🎢🧪♾️ @fz-juelich.de
Even after publishing his famous exclusion principle, a brilliant 31 yrs old consolidated Prof Wolfgang Pauli at the top of his career was disturbed by self-doubt, failure & the impotence to solve scientific problems. Psychology helped him to find new source of inspirations: dreams! #AcademicSky 🧪
How the unlikely friendship of Pauli and Jung led to the discovery of CPT symmetry
Nature Reviews Physics - In 1931, the psychoanalyst Carl Jung took on an unusual patient, the brilliant young physicist, Wolfgang Pauli. Arthur I. Miller tells the story of their friendship, how...
www.nature.com
"A climate EVE", to develop km-grid climate models with sub-scale parameterizations that encompasses complex physical processes beyond simple empirical formulae. Important tool to resolve extreme events. That's what nations should pledge to mitigate climate adaptation costs 🧪 #climate #AcademiaSky
Why we still need a CERN for climate change – Physics World
Tim Palmer says that we must pool our resources to produce high-resolution climate models that societies can use, before it is too late
physicsworld.comIt's important to note that the headline is wrong though, the study was NOT performed by Climate Scientist but rather by economists.
I see people's expectations about a new star going to appear in the sky sometime between April & Sept. However the T Coronae Borealis will go nova (not supernova) and will be too faint for the none astronomer eyes to notice. But the astrophysics data will be amazing! All well explained 👇8:20min. 🧪🔭
T Coronae Borealis is about to go nova! Here's why and how to spot it | Night Sky News April 2024
If you’re struggling, consider therapy with BetterHelp #ad. Click https://betterhelp.com/drbecky for a 10% discount on your first month of therapy with a credentialed professional specific to your needs. | In this month we're having fun with astrophysics April Fool's papers, talking about the new supermassive black hole image from the Event Horizon Telescope showing the polarised light, and talking about why T Coronae Borealis is about to go nova and how to spot it when it does! Astronomers without borders eclipse glasses donation: https://astronomerswithoutborders.org/programs/solar-glasses-distribution Eclipse glasses USA donation program: https://eclipse23.com/ Annular eclipse map 2nd October 2025: https://www.timeanddate.com/eclipse/map/2024-october-2 AAVSO announcement of T Coronae Borealis pre-eruption dip: https://www.aavso.org/news/t-crb-pre-eruption-dip JWST proposal 4607 to observe T CrB nova: https://www.stsci.edu/jwst/phase2-public/4607.pdf Seminar by Dr Brad Schaefer from LSU on T CrB and observations you can do to help: https://www.youtube.com/watch?v=1Zfg67Q-szU Save Chandra campaign: https://www.savechandra.org/act/ Popinchalk et al. (2024; which species has seen the most total solar eclipses) - https://arxiv.org/pdf/2403.20175.pdf Walker et al. (2024; multi-wavelength astrology) - https://arxiv.org/pdf/2403.19749.pdf Gammal et al. (2024; solving the crisis in cosmology by varying the value of pi) - https://arxiv.org/pdf/2403.20219.pdf Wilkins, Newman & Roper (2024; FOOD redshift epoch system) - https://arxiv.org/pdf/2403.20144.pdf Event Horizon Telescope Collaboration (2024a; polarisation of the ring) - https://iopscience.iop.org/article/10.3847/2041-8213/ad2df0/pdf Event Horizon Telescope Collaboration (2024b; physical interpretation) - https://iopscience.iop.org/article/10.3847/2041-8213/ad2df1/pdf My previous video explaining the M87* black hole image - https://www.youtube.com/watch?v=28PEgYQ1O0Q My previous video explaining the M87* polarised black hole image - https://www.youtube.com/watch?v=L47NV190q5Q My previous video explaining the Sag A* Milky Way black hole image - https://www.youtube.com/watch?v=BtnFwNKEmyY 00:00 Intro 00:50 The Eclipse! 01:55 Lyrids, meh 02:50 Eta Aquarids Meteor Shower 04:34 Losing Jupiter 05:32 Mars + Saturn 05:59 Toenail Moon + Mars + Saturn! 08:09 New star in the Night Sky (T Corona Borealis) 16:06 Save Chandra! 18:09 April Fools Astrophysics Papers 21:14 Black Hole Croissant - EHT sees Sag A* in polarised light 26:43 Conclusion 27:01 Bloopers Video filmed on a Sony ⍺7 IV Video edited by Jonny Hyman --- 📚 My new book, "A Brief History of Black Holes", out NOW in hardback, paperback, e-book and audiobook (which I narrated myself!): http://lnk.to/DrBecky --- 👕 My new merch, including JWST designs, are available here (with worldwide shipping!): https://dr-becky.teemill.com/ --- 🎧 Royal Astronomical Society Podcast that I co-host: podfollow.com/supermassive --- 🔔 Don't forget to subscribe and click the little bell icon to be notified when I post a new video! --- 👩🏽💻 I'm Dr. Becky Smethurst, an astrophysicist at the University of Oxford (Christ Church). I love making videos about science with an unnatural level of enthusiasm. I like to focus on how we know things, not just what we know. And especially, the things we still don't know. If you've ever wondered about something in space and couldn't find an answer online - you can ask me! My day job is to do research into how supermassive black holes can affect the galaxies that they live in. In particular, I look at whether the energy output from the disk of material orbiting around a growing supermassive black hole can stop a galaxy from forming stars. http://drbecky.uk.com https://rebeccasmethurst.co.uk
m.youtube.comRanging from data fabrication, lawsuit to plagiarism of theses, books & blogs, this Harvard honestly professor is lecturing everyone on how to be famous by not being honest. Academia needs rethink its metrics, "publish or perish" encourage cases like Gino's. 🧪 #AcademicSky
Embattled Harvard honesty professor accused of plagiarism
Academic chapter and two books authored by Francesca Gino appear to copy from sources including student theses, blogs, and news reports
www.science.orgOnce again, women fighting for the well of we all. After 9 years important triumph in the European court of Human rights against #climate inaction. The ruling is binding and can trickle down to influence the laws in all 🇪🇺 #EU countries.🧪🎢 #climatechange #AcadenicSky
"As a natural night owl, I would come in midafternoon and work until the next lab members arrived in the morning." I can totally relate! Wondering if there is any study about health issues in academics differentiated by early birds & night owls? #AcademicSky 🧪 #mental #health
I hit a breaking point as a grad student. Here’s how I recovered
“I’ve come to accept that mental illness and burnout won’t just go away,” this scientist writes
www.science.orgThe one and only Andrea Petkovic taking on solitude as tennis player. Nice read. With many aspect fitting the life as a scientist as well (with the exception of luxury hotels). #AcademicSky #life #science #tennis #balance
Sensors synergy is always the way to go besides its challenges specially in extreme conditions as when both @ESASolarOrbiter & @ParkerSolar probes will orbit closest to the Sun, obs will be unique specially if the Sun helps with some massive Corona mass ejection (CME) at the right time & angle!🤞🏾🔭🧪🎢
ESA and NASA team up to study solar wind
In the run up to April’s total solar eclipse, ESA-led Solar Orbiter and NASA-led Parker Solar Probe are both at their closest approach to the Sun. Tomorrow, they are taking the opportunity to join han...
www.esa.intSolved a math problem that led a #Physics #NobelPrize + propose stochastic inequalities & won the #AbelPrize🤯 quite an achievement. If followed an academic path, he might not have succeed, but besides his unorthodox career path he did! Perseverance is the key🧪 #iTeachMath #iTeachPhysics #AcademicSky
Mathematician who tamed randomness wins Abel Prize
Michel Talagrand laid mathematical groundwork that has allowed others to tackle problems involving random processes. Michel Talagrand laid mathematical groundwork that has allowed others to tackle pro...
www.nature.com
Equinoxes & Solstices from Space by the Spinning Enhanced Visible and Infrared Imager (SEVIRI) on EUMETSAT's Meteosat-9 satellite. Depicting Earth 23.5° axis tilt relative to the ecliptic plane➡️determining the seasons. March 21 being vernal equinox . #iTeachPhysics 🧪🔭
images.nasa.gov/details/GSFC...
From -45 to -90, how confident one can be in considering these results given the fat that too few stations are located there? In contrast to the Northern counterpart, for instance.
Unlike the #Arctic sea ice historical data, where commercial navigation & submarines provided a long-term information of #seaice, the #Antarctica sea ice info mostly relays on #Satellite data since 1979 on, not long enough to constrain the uncertainties by sea ice reduction witnessed the last years🧪
There are growing fears of an alarming shift in Antarctic sea ice
Antarctic sea ice cover remains far below average levels for the third year in a row, but researchers are uncertain whether this is a permanent shift driven by climate change or part of natural fluctu...
www.newscientist.com
Scientist knew CO2 warms the atmosphere since 1859 as J.Tyndall experimentally demonstrated…or did he? Fact is 3yr earlier a #women in #STEM published her results w same findings, her name was Eunice Newton Foote & this is her nearly forgotten discovery: 🧪#AcademicSky 🎢
pubs.aip.org/physicstoday...
Although a handful quantum computer technologies are being developed none of them have reached the useful & operational stage. Yet a large number of "quantum start-ups" are fueling the hype as if quantum computers were around the corner to make them rich 🧪🖥️🤖⚛️
Quantum computers in 2023: How they work, what they do, and where they're heading
In June, an IBM computing executive claimed quantum computers were entering the "utility" phase, in which high-tech experimental devices become useful. In September, Australia's Chief Scientist Cathy ...
phys.orgThis would be a great contribution to "Astro plot of the week" @PlotAstro in Twitter 🤞🏾
GR remains undefeated as a physical theory, despite being perhaps the most challenged & scrutinized idea in all of scientific history. From all Einsteins GR solutions the gravitational rings being the most mathematically, conceptually, visually beatiful prediction 🧪🔭
The true reason why Einstein was history's greatest physicist
Although many of Einstein's papers revolutionized physics, there's one Einsteinian advance, generally, that towers over all the rest.
bigthink.comNot only is becoming problematic to catch up science with the increasing amount of publications but also to preserve those publications. About 28% of articles with active DOI cannot be found in archives, the worse scenario for progress in science 🧪 #AcademicSky
Millions of research papers at risk of disappearing from the Internet
An analysis of DOIs suggests that digital preservation is not keeping up with burgeoning scholarly knowledge. An analysis of DOIs suggests that digital preservation is not keeping up with burgeoning s...
www.nature.com🇧🇷 É sempre importante lembrar as historias e protagonistas da ciência que foram esquecidas depois do papel importante que elas jogaram. Porem, ainda mais importante é lembrar que muitas outras mulheres assim estão nesse momento lutando para elas ser ouvidas, apreciadas e suportadas 🧪 #AcademicSky
Nomes apagados e descobertas usurpadas: a história das mulheres na ciência
O preconceito em relação às mulheres na ciência acompanhou gerações, afectando cientistas como Lise Meitner, no século XIX, ou Katalin Karikó, vencedora do Nobel da Medicina de 2023.
www.publico.ptOcean temperature is a main uncertainty for the estimation of global temperature in the puzzle of past #climate records. Here's a fascinating article about how scientist need to be ingenious to solve it. "If we don't know the past, we cannot give much credit to the predictions we make.” 🧪
Is the world 1.3°C or 1.5°C warmer? Historical ship logs hold answers
Diverging estimates of 19th century ocean temperatures drive uncertainty over global warming
www.science.orgQuasar 500 trillion times brighter than the Sun, with a black hole eating more than one Sun mass per day an accretion disk 7 light years wide,... jeez Astronomical magnitudes are unimaginable 🔭🧪
Monster black hole powers the brightest known object in the universe
Astronomers have found a quasar 12 billion light years away hosting a supermassive black hole that gobbles up a sun-sized amount of mass every day
www.newscientist.comAI makes the faking & sleuthing dance of fake image, text & data to go on. But the real reason behind? “There are too many stories of bullying and highly demanding PIs spending too little time in their labs, and that just creates a culture where cheating is ok. This needs to change.” 🧪 #AcademicSky
How journals are fighting back against a wave of questionable images
Publishers are deploying AI-based tools to detect suspicious images, but generative AI threatens their efforts. Publishers are deploying AI-based tools to detect suspicious images, but generative AI t...
www.nature.com"Could roving researchers help address the challenge of taking parental leave?" No! parental leave shouldn't be seen as a problem. By "diversifying workforce" could only normalizes #postdoc very-short-term contracts deprecating the almost non-existent employment security in #science #AcademicSky 🧪
Could roving researchers help address the challenge of taking parental leave?
Institutions are taking notice of a handful of programmes designed to address the issues scientists face when choosing to take a long-term absence. Institutions are taking notice of a handful of progr...
www.nature.comTwo interesting Sea ice webinars coming up: deep learning techniques to model surrogate new sea ice in the Arctic and super resolution satellite sea ice thickness using diffusion model and physical modeling. Free registration on-line ❄️🧊🧪
Åpent SuperIce Webinar #1 Kunstig intelligens og sjøis - NERSC
SuperIce-webinarene er en serie vitenskapelige nettbaserte foredrag og diskusjoner om sjøis og maskinlæring. De arrangeres av SuperIce-prosjektet som er ledet
nersc.no
Using #MATLAB in high performance computing for non-commercial academics is available at Jülich Research Centre #JFZ in Germany. Looking forward for upcoming workshops 👨🏽💻⌨️🖥️🧪
www.fz-juelich.de/en/ias/jsc/n...
Do you have the same for the other winter months? E.g. Nov to Jan?
Reviewer #2: "hey remember your paper 5 years ago? I was the referee saying your paper is not uninteresting, immature and vague". Author didn't give up and polished the Math to extend the theory, Reviewer #2: "I still don't buy it, but if correct Got does indeed play dice". #AcademicSky 🔭🧪
What Physicists Have Been Missing
An exciting new theory reconciles gravity and quantum physics. I think it’s wrong. But I may be too.
nautil.usMons Mouton, my new favourite place on the moon, with a wonderful story behind the name. #NASA's first robotic Moon rover will land on Mons Mouton, a lunar mountain near the Moon’s South Pole named after NASA mathematician Melba Mouton. 🔭🧪
Moon Mountain Name Honors NASA Mathematician Melba Mouton
Scientists recently named a mesa-like lunar mountain that towers above the landscape carved by craters near the Moon’s South Pole. This unique feature will n...
youtu.beWhat is snow and how complex processes lead to solid precipitation a.k.a. snow? Clearly and nicely explained by the National Snow and Ice Data Center #NSIDC 🌨️❄️👨🏽💻 🧪 nsidc.org/learn/parts-...
"Physics is a process of getting stuck, …Blackboards are the best tool for getting unstuck", a blackboard is the place where ideas become art and art becomes science. The love for blackboards in physical sciences and maths. 🧪
Every journal is subsidizes by the work of authors, reviewers, editors. As author one self has to polish the text, grammar, graphics and layout. Then one gets minimal suggestion changes from journal before publication. If a 30-35% profit gives $140/paper, then actual gold OA fees are utterly greed.
Full manuscript published at @aip.bsky.social here: pubs.aip.org/aip/acp/arti...
Analysis of surface thermal IR radiation revels: Arctic mixed-phase clouds coupled to sea ice openings contains more liquid & are more efficient to reduce the surface cooling. Study by Arctic Climate Remote Sensing group University #Leipzig & #AC3 using multi-year wintertime obs. from #ARM NSA site🧪
Arctic clouds influenced by sea ice openings are more efficient to reduce the surface cooling.
Cloud radiative effects are analyzed together with micro-physical cloud properties like liquid and ice water path obtained for wintertime Arctic clouds from the remote-sensing instrumentation suite a...
www.growkudos.com
Hi Mae, I would like to be added as well, here my:
orcid.org/0000-0002-45...
Very interesting! Any clue why did this happen? Increase of atmospheric rivers frequently of occurrence in the north Atlantic? 🤔
@edhawkins.bsky.social 👋🏾👍🏽 "Warming-Stripes-Bahn" geht ab Januar 2024 auf die Reise durch #Leipzig @fffleipzig.bsky.social www.leipzig.de/news/news/wa...
"Warming-Stripes-Bahn" geht ab Januar 2024 auf die Reise durch Leipzig
Die "Warming-Stripes"-Straßenbahn hat in der Windmühlenstraße ihre Fahrt zum 10. Januar 2024 aufgenommen. Die auf ihr abgebildeten Klimastreifen übersetzen die vorhandenen Daten zur globalen Erder...
www.leipzig.deOut of curiosity, besides ERA5, what do actual measurements show?
#Academic Irony is when your research has got exiting results but run out of working contract, in a year when 4 most important & impact-full conferences on the topic are taking place. Need to move out to look for a new job with no guaranty to stay in the research subject, How to share the science?🧪