Pourquoi un vélo tient-il debout ? C'est le phénomène d'auto-direction. Quand le vélo penche sur le côté, l'avant pivote spontanément du côté de la chute. Le point de contact se trouve sous le centre de masse et il redresse le vélo. Longtemps, on a cru à trois effets combinés :

Avec les instruments anciens ça marche pas toujours du premier coup. Salukes #science #physique #profbucella #lasciencepeuttout

Saviez-vous qu’il existe un point de la roue qui avance deux fois plus vite que la vitesse du véhicule ? En contrepartie, il existe aussi un point de la roue qui est à vitesse nulle. Pourtant elle tourne. Salukes ✅ sommet de la roue : v + v = 2v ✅ point de contact au sol : v − v = 0 #science

L’eau monte dans le verre quand on éteint la bougie. Mais pourquoi ? La réponse n’est pas celle qu’on croit. La science peut tout. Salukes #science #physique #profbucella #lasciencepeuttout

C’est quoi le paradoxe des trous noirs ? Ces objets sont prédits par la théorie et pourtant ils prédisent la fin de la théorie. Salukes #science #physique #profbucella #lasciencepeuttout

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.

Mélanger du vinaigre et du bicarbonate est-ce une bonne idée pour mieux nettoyer ? Qu’en dit la science ? Démonstration sous vos yeux ébahis. Salukes #science #physique #profbucella #lasciencepeuttout

C’est une nouvelle incroyable qui vient de tomber. On a réussi à renverser localement l'entropie dans un laboratoire de Steenokkerzeel, en Belgique. Salukes #science #physique #profbucella #lasciencepeuttout

Pourquoi les câbles font-ils des noeuds ? La science réponde because la science peut tout. Salukes #science #physique #profbucella #lasciencepeuttout

Est-ce que Spiderman peut monter des murs à la verticale selon la science ? Forcément, il y doit bien y avoir une magouille quelque part. Salukes #science #physique #profbucella #lasciencepeuttout

At May Day at City Hall, police officers shoved a disabled veteran while he was picking up his speaker and leaving. LAPD also pulled out a taser during the confrontation

Meteorologist Scot Haney says today could make this stretch an official heat wave. https://www.wfsb.com/2026/05/19/technical-discussion-record-heat-storm-threat-prompt-first-alert-weather-days/ 

Own EVERY technical term in your niche with this one page 📖 #AISEO #IndustryGlossary #TopicalAuthority #ContentMarketing #ChatGPT #NicheDomination #DigitalMarketing #EducationalContent

#crooksandnannies #kidsbooks #kidsauthor #slime #author #gunge #funny #reluctantreaders #devonauthor #Devon #ukwriting #booksky www.tgjonesonline.co.uk/Product/Chri...

"I'm gonna get open." Missouri wide receiver Kevin Coleman gives an analysis of his game. #NFL #NFLCombine

When it gets too hot to play sports, you know something is seriously wrong. This is climate change.

Every word of this!!!🎺

RT @SECNetwork: SOLO HR FOR THE DAWGS 🔥 Paige Ernstes puts @HailStateSB up 4-0 against Oklahoma‼️

Discover how international patients access comprehensive health diagnostics in under a day. We systematically navigate the complex cross-border logistical barriers. Link in bio to structure your medical itinerary. #MedicalTourism #HealthScreening #MedicalConcierge #MedBridgeNZ

Photogrammetry emerges as the virtuoso behind a virtual Cabinet of Curiosities, where light and algorithms orchestrate an enchanting ballet between reality and the digital realm. It weaves a mesmerizing narrative by capturing intricate details, textures, and emotions, breathing life into inert ob...

Knoxville- A crash being moved on I-40 westbound near Pellissippi Pkwy 5:14pm ET. Get Instant Tennessee Traffic Information Right Now With Commander Chuck's “LIVE” Traffic Video. Saving you Time and Gas Money. commanderchuck.net

2dayz;”Gd Ta Fuq’n Murn’ting, BlueSky~Pooh!!” I smell bacon…mmmmm!!🥚☕️🍳🥞🥣🧇🙋‍♀️😮👀🤞🙏💻💯💜👌👍 #morningblessings #morninggreetings #youarebeautifullovedandblessed #morningsermons #goodmurntingbluesky

Take a closer look at one of your Smitty Competitors @Bradley Prescott IV Check out the 3rd Non-Annual Smitty Memorial Tournament Saturday August 23rd from the Owen's Valley Sports Complex in Spencer, Indiana #thesmitty #coletv #indywrestling #spongebob #smittywerbenjagermanjensen

#47 #djt #fdt #cruelty #magacallout

Okay. That's much better now on the picture. Honestly i've been surprised that the color has faded much on these reels I obtained last year

Porto communication incoming. This fixture isn't compete without drama and controversy. The islanders with a goal disallowed, saw one of their coaching staff sent off. Nel with the 4th. Sporting CP 4 CD Santa Clara 2 Full time report to follow 👇 outsideofthepride.blogspot.com/2026/03/spor...

Markwayne Mullin: "We are currently drawing up plans to say, listen, in these sanctuary cities where the local radical left Democrats aren't allowing us to do our job and enforce federal laws, then we shouldn't be processing international flights into their cities."

👉 Geschichtsrevisionismus von ganz Rechtsaußen ist im Netz massiv präsent und mit wenigen Klicks erreichbar. Mit dem Historiker Volker Weiß sprechen wir über zentrale Merkmale dieser Narrative und was sie aktuell erfolgreich macht. 🎧 Jetzt reinhören: koerber-stiftung.de/en/media/wie...

Is your tech making life easier or just more complicated? Many businesses are diving headfirst into technology, but what about your users? They’re feeling overwhelmed and lost in the noise. #Salesforce #SalesforceTrainingSolutions #SalesforceSuccessSecrets

Who even faxes in the big 2026?? #mariokartworld #nintendo

🚨🇺🇸🇮🇷 Every war goal set by Trump — ballistic missiles, proxy networks, Iranian oil seizure, choosing the next Ayatollah — has been walked back, one by one.

Kendrick Perkins: We're sending our kids to those damn monks that Wemby went to.

They never expect Bubble Man

🦁 CMLL May 27 post-show PREMIERES TODAY at 4 PM PST! Full post-show discussion & reaction dropping this afternoon 🎥 https://linktw.in/eFMCBj #CMLL #LuchaLibre #BCWrestlingPodNetwork

A new conflict means a new generation of veterans—veterans this VA needs to be prepared for and equipped to serve.

It Is Go Time I Will Be Live On kick.com/foxwarriorgaming4 At 10. P.M.P.T. Sunday Night Chil Vibes Stream Come Watch The Legend One And Only G.6. Mindset President Fox GOD DID G.6. 😀😀😀

Life has been full lately, but I’ve continued showing up for the work. Chapter 4 of my mental health recovery book is finished, and there are only two chapters left until the manuscript is complete. Progress may be slower sometimes, but it’s still progress. #mentalhealth #writingjourney

When a sheriff vanishes, chaos reigns. Can Buck Taylor unravel the mystery before it's too late? 🔍📚 Discover the suspense...more

Famous bullfighter Morante de la Puebla was gored yesterday. He is currently in the ICU with a “very severe” prognosis. When will they ban this evil, so-called game for the sake of human and animal rights A video clip is circulating among activists

From your screen, it’s smooth and polished… From my view, it’s lights, timing, pressure—and no second takes. 🥲 🎥 Somehow…. you still have to make it look easy. #BehindTheScenes #NewsLife #OnAir #tvreporter #newsanchor

The Suspects In San Diego Mosque Shooting Were NOT Trans; They Were N@zis

📲 ¡Sigue el canal oficial de WhatsApp de RTVE Noticias! Desde aquí podrás mantenerte informado al minuto de toda la actualidad, con otra mirada 🔔¡Mantén las notificaciones activas para estar siempre al día! www.whatsapp.com/chan…

Asteroids, supernovae, and black holes...oh my! ☄️🌀 In a single image, Rubin will detect thousands of changes in the sky — from objects in our Solar System to exploding or pulsing stars and actively feeding supermassive black holes, as well as surprises we can't predict yet! 💥 🔭🧪

U.S. soybean farmers from $1.2 billion in Chinese exports—to ZERO. Trump promised lower prices & free childcare. He gets RICHER. We get Lies & losses. #FarmersDeserveBetter #TariffTrap #TrumpLied #RuralAmerica #EconomicJustice #SoybeanCrisis #TrumpWealth #BrokenPromises

Iron deficiency during pregnancy can affect a child's brain development for 20 years or more. Prof. Vernon Louw, Professor of Medicine and Clinical Haematologist at Stellenbosch University, South Africa, on what the evidence shows. https://worldanemiaawareness.com/iron-deficiency-without-anemia/

tbf nothing but A Matter of Life and Death could ever be A Matter of Life and Death unparalleled, uneclipsable joy of cinema

Just finished a new set of outdoor feetpaws with built-in shoes. Added a zipper for easier access and a better fit.

Minnesota isn’t lying down. Don’t let news reports fool you! Share the uprising!!

What do Mostra, Milan and Marcin have in common? The answer is.. heat pumps of course! 📍Meet us in hall 11, booth U22. Don't miss our policy session on the current status of the heat pump market and its future developments tomorrow at 14:30 in Scorpio Room at Fiera Milano. ehpa.org/news-and-res...

WORKOUT WITH ME!! twitch.tv/taiyorise 💛💛💛

gassing my bestie up.. go check out @mireuvt.bsky.social he said he’ll stream more so hold him accountable please 🙏

“There are no stupid questions.” Respectfully people without kids have never been interrogated by a tiny human with unlimited curiosity and zero common sense.

Still take COVID precautions or are immunocompromised? It's not too late to sign up for our COVID-safer group trip to Cape Cod from May 14-19, 2026! Stay for one day or all five! Stop by for a tour! The choice is yours! More info: www.accessibleescapes.org/2026-land-ca...

The big tech companies need to be paying their fair share of taxes so we can properly fund mental health services.

🌸 Transform your lounging game with our 3D Flower Robe Super Long Mopping Dress! 🚀 Made for those cozy days at home or chic evening gatherings, this robe boasts a stunning floral design and ultra-soft fabric that wraps you in comfort.… #LuxuryFashion #CozyVibes #HomeStyle #FlowerPower #FashionInspo

🔴 ÚLTIMA HORA | La UCO encontró 20.000 euros en casa de Gaspar Zarrías. EL PAÍS accede al sumario del 'caso Leire' social.elpais.com/734…

#sabrinacarpenter #restrainingorder #explore #fyp #BreakingNewsUSA Full story: https://jqjo.com/article/9fwq0pzq

The West Wing S06E10 - Faith Based Initiative Clip number 0095 #TheWestWing

Plouf ! Achetez AIRBUS, la qualité "Made in Europe" Plusieurs blessés parmi le personnel.😒

@susie53.bsky.social Too many legs . . .