En 1+1 dimensions (une dimension spatiale, une temporelle) et sans matière, la relativité générale devient triviale. Le tenseur d’Einstein est identiquement nul, il n'y a pas de degrés de liberté gravitationnels propagatifs (il n'y a pas d'ondes gravitationnelles), pas de gravitons.

Le CNRS annonce en grande pompe la première observation en direct de la rotation d'une pouponnière de planètes.

Comment se fabrique un arc-en-ciel ? Démonstration sous vos yeux ébahis avec le prisme de Newton et la roue du même. Salukes #science #physique #profbucella #lasciencepeuttout

On m’a demandé d'expliquer le concept de l’Univers bloc. Ce bazar découle en droite ligne de la relativité d’Einstein. En gros, le concept dit qu’il faut considérer l’Univers comme un bloc, avec le passé et le futur dans le bloc.

Est-il possible de fabriquer une cape d'invisibilité à la Harry Potter ? Merci la science, c’est possible grâce aux méta-matériaux. Il peut se rhabiller le père Harry. Salukes #science #physique #profbucella #lasciencepeuttout

L'entropie et la couque au chocolat. Si vous me prenez pour un fou, ma maman pense la même chose. Salukes #science #physique #profbucella #lasciencepeuttout

Quand on répond aux question qu’on pose pas. La vidéo la plus courte de l’année. 🐟​ d’avril, ne te découvre pas d’un fil. Salukes #science #physique #profbucella #lasciencepeuttout

Ce lundi 6 avril, les quatre astronautes d'Artemis II font leur tour de la Lune, c'est le plus loin qu'aucun humain ait jamais été. Ils se trouvent à 406 773 km de la Terre. Sur cette image, la face visible de la Lune est à droite. On la reconnaît à ses taches sombres, d'anciennes coulées de lave.

Où sont-ils tous ? Fermi parlait des extra-terrestres. Il devrait y en avoir pleins, or on ne les voit pas. C'est le paradoxe de Fermi. Salukes #science #physique #profbucella #lasciencepeuttout

Si vous prenez un café avec des amis, faites attention à l’addition because les bons comptes font les bons amis. À bon entendeur... Salukes #science #physique #profbucella #lasciencepeuttout

ariathome: In 3 years jamming outside I’ve never encountered a cellist before, let alone an electric one.. this was something special. Already posted the first jam I did with this group (with the sax), but I had to keep them around & get @cellobritt on the mic #Music #Instruments More in thread 2👇

Check out @wretchedhivecomics.bsky.social #NCBD video review of Seven Wives #1 from @idwpublishing.bsky.social #comics #review

CORE Rules! ChimeraSHOCK! TTRPG in a world of Steam Engines, Bi-Planes, Airships, Black Powder, Super Science, Swords, and Majhic... Evolution on each world like ours doesn't happen all at once. Technology doesn't propagate at an equal rate. Cultures collide. #dnd #steampunk

Will you be joining us for the May MYnetwork Huddersfield Meet-up? It’s free, friendly, and the perfect place to grow your business network. 📅 Wednesday 20th May 🕘 9 to 11am 📍 The Media Centre. See you there! Hosted by @social-progress.bsky.social, MMid Yorkshire Chamber & us, The Media Centre.

With everything going on right now, it’s more important than ever that we commit to participating in Friday’s May Day events if we possibly can. Which means NOT participating. IN ANYTHING. Because without us they’re nothing. Find out what’s happening near you at Maydaystrong.org

A cross-partisan song about Bill C-22’s harmful impacts on Canadian society, in the style of the Iran Lego videos. #cdnpoli

What do gray birch trees have to do with forest’s history — and beavers?? #forest #forests #tree #trees #nature #woods #outdoor #outdoors #science #stem #ecology #ecosystem #beaver #wildlife #vermont

Nadal's Swing Advice, Scotland Rugby's New Talent, and the Future of Heavyweight Boxing #sports #sportnews #football #soccer #nba #nfl #tennis #f1 #athletics #sportshighlights

C/2025 R3 (PanSTARRS) from STEREO-A HI2- 17/24.4.26 Raw data: STEREO Science Center. FITS files processed with PixInsight, python & ffmpeg. Video from MMC Astro x.com/MMCAstronomy... Source stereo-ssc.nascom.nasa.gov/browse/2026/... stereo-ssc.nascom.nasa.gov/browse/2026/...

Xie Lusingdan: The Fierce Competitor Taking the Stage #MissGrandAllStar2026 Witness the mesmerizing presence of Xie Lusingdan from China as she captivates the audience with her stunning runway projection and hypnotic charm youtu.be/inPD_xiMoBg #XieLusingdan #RunwayQueen #FashionCompetition

The plan was to get these four at low enough health that Ghost Rider can drain them all in one go. But I miscalculated and he could only do three 💀 Welp, Nico is there to clean up 😆🤣 🎮 Marvel’s Midnight Suns

This is exactly what you need from your ace when a series has already gone sideways. Clearly, Eovaldi understood the assignment: 6 IP, 0 ER, 4 H, 1 BB, 7 K. And he’s only at 72 pitches.

Also #OnThisDay in 2018, Bonnie Anderson debuted as Bea Nilsson #Neighbours #BringBackNeighbours

Long Island Rail Road workers are picketing outside of stations on Saturday after contract negotiations with the MTA fell through. The strike has halted North America's busiest commuter rail, which could leave hundreds of thousands of riders scrambling.

This is new leadership that will always stand up for Wales🏴󠁧󠁢󠁷󠁬󠁳󠁿

I hung out with the guys at the Sacramento history museum to use the OG media tool…the printing press!

On our last episode, “Listeners' Therapy", we heard from Benjamin (19, Copenhagen) an honest and authentic depiction of the difference in experience between being Jewish in Israel and in the diaspora.

What happens without your protective barrier 🫥🩸 #SkinScience

Ghostbusters II (Game Boy, HAL Laboratory, 1990)

At #PMQs Kemi Badenoch asked Sir Keir Starmer why he won’t allow the RAF to take offensive action to defend British territory 🇬🇧 The PM insisted the protection of UK nationals is always “number one priority" What did you make of it? #ThreeWordReviews please! 👇 #Peston

📺 Amed Rosario anota en un out forzado.

Governor Glenn Youngkin pulls no punches, calling out what he sees as a shift toward socialism in the Democratic Party. Watch his heated take on political strategy and voter trust. #GlennYoungkin #Politics #Virginia #DebateStage #GOP

Most Social Media and media are being purchased and taken over by Trump's billionaire oligarch friends and supporters. The media always enable fascism.

Argentina’s far-right government blames Indigenous Mapuche communities for the wildfires that have devastated Patagonia in recent years. But judicial investigations have found no evidence to support this – despite officials suggesting links to “terrorism”. The real evidence points elsewhere. ⬇️

BREAKING UPDATE: Annunciation School shooting: 2 children killed, 17 others hurt. @fox5dc.com.web.brid.gy www.fox9.com/news/minneap...

A huge thank you to Malta for an impactful presidency of the Council of Europe's Committee of Ministers! Now, we welcome Moldova as it takes the helm! Let’s continue building a stronger, more united Europe together and advancing our shared values! #OneEurope #HumanRights #Democracy @coe.int

The #Canes (12-1) became the first team to reach the Stanley Cup Final with fewer than two losses since 1987, when all four rounds went best-of-seven.

Next: One car fixed✅

#InFocus 🌍The Rights-Based Border Management in the Silk Routes Countries (RBM Silk Routes) project in Pakistan and Iraq concluded with a closing conference in Islamabad last week. 🔗 Read more www.icmpd.org/news/strengt...

1 hour 15 minutes of Vexlands… in 15 seconds.

In Denville over I-80 yesterday, on that bridge where locals maintain a patriotic/militaristic flag display as a 9/11 memorial. Our messages: "Rage against the regime" & "Medicaid & SNAP cuts kill." Shoutout to the Vietnam Vet who joined us! #VisibilityBrigade

Nonsense #mudrat #halfwayhauntedllc #seeyouintheshadows #paranormal #musicbymudrat

RT @WNBAonNBC: With time winding down Kennedy Burke found an EXTRA GEAR to score the game-winning bucket.

China NMPA Approves Secituzumab Tirumotecan for Injection 📩 info@dengyuemed.com 🔗https://dengyuemed.com #ChinaNMPA #DrugApproval #SecituzumabTirumotecan #ADC #TROP2 #TripleNegativeBreastCancer #KelunBiotech #Jiatailai

Hyperlocal SEO isn’t optional—it’s survival. Stop losing customers to big brands. Generic SEO is dead. Learn the 2025 secrets (Schema, Geo-tags, "Near Me" domination) to be the undeniable #1 choice in your town. Get the full, FREE step-by-step guide now: digitalmarketingexpertteam.com/local-seo/

Get those steps in, because Friday’s Diner will feature your favorite songs with “WALK” in the TITLE! What’s your pick? (**1 x person PLEASE**) Listen for your choice starting tomorrow morning at 8 on 91.9 WFPK, lpm.org, or the LPM app.

🥴Lukashenko threatened Ukraine with “one serious target” with coordinates located near Belarus in response to the statement by the Unmanned Systems Forces about 500 targets in Belarus.

Every card is welcome aboard 🚅 🚌 🛳️  Tap to Pay is now live across Puget Sound! Tap your contactless credit or debit card, physical or in a digital wallet, to pay your transit fare. Easy. Learn more: info.myorca.com/contactless/

A B+ economy with a recession-sized deficit is like showing up to a Sunday barbecue in full scuba gear. Technically you’re dressed, but something doesn't add up.

Happy 50th Birthday Colin Farrell!! Flashback to our episode all about him and his films with guest @mitchellbeaupre.bsky.social ! Full #podcast at the links below! 🟢: tiny.cc/TMRSpotifyCF 🍎: tiny.cc/TMRAppleCF 🏳️‍🌈: www.glitterjaw.com/mixed-reviews

#TomodachiLifeLivingTheDream Video Moments. Fireworks show, with Tari's treasures.

Am Rande der #Energieministerkonferenz auf Norderney hat sich Sachsen-Anhalts Energieminister @armin-willingmann.bsky.social mit Verbandsvertretern über den Ausbau der Erneuerbaren ausgetauscht. Willingmann fordert einen zügigeren Ausbau der #Stromnetze. Warum? Mehr dazu im Clip! #sachsenanhalt

Finally made it to this moment! I can't help geeking out inside on this! ZEZTZ CATASTROM DEBUT WAS CRAZY & SICK AS HELL! #KamenRiderZeztz #KamenRider

Tom Steyer @tomsteyerhq.bsky.social A man with no experience to govern A man who has spent millions just to attack a fellow DEMOCRAT But what bothers me most is he attacks with lies So today I hope it's an end for Steyer Hope he would spend his millions &help Californians Not attack them

the.paliproject @the.paliproject They are honest about it, so why are so many people lying on their behalf?

⚽ If you are looking to have a #BALL You are looking for #ZYDECO #MUSIC & #DANCE **ZYDECO MUSIC & DANCE - TRY THEM - ENJOY THEM** FUN #FUN #DANCING DANCING GOOD WEDNESDAY #HUMP DAY #HappyHumpDay #WednesdayWishes #WednesdayWisdom #WellnessWednesday #WisdomWednesday