Complexity

Wie jedes Jahr versammelt sich die Bitcoin-Community in Berlin, um den legendären „Bitcoin Pizza Day“ zu feiern. Die Transaktion von Laszlo Hanyecz gilt als eine der ersten bekannten Zahlungen mit Bitcoin für reale Güter: 10.000 Bitcoin im Austausch gegen zwei große Pizzen. Zur Feier dieses historischen Moments treffen wir uns dieses Jahr im Restaurant Viale dei Tigli. Auch dort werden Bitcoin-Zahlungen akzeptiert und natürlich gibt es Pizza. **Bitte beachtet: Jede Person bezahlt ihr Essen und ihre Getränke selbst vor Ort.** Das Ganze ist als lockeres Get-together ohne feste Agenda gedacht – einfach zusammenkommen, austauschen und gemeinsam Pizza essen. Wir freuen uns über viele Teilnehmer. Da die Plätze begrenzt sind, bitten wir um möglichst verbindliche Zusagen. Vielen Dank.

**Let's complain about everything!** **You are new in town? Complain!** **Lived here forever and disagree with the change? COMPLAIN!** **Everyone is annoyed by something or someone all the time anyway - let some steam out! COMPLAIN!** Expats have joked about German bureaucracy, sandals with socks and “no sense of humor.” Germans have politely nodded, but now it’s payback time! Revenge for balance! **🧾 WHAT IS THIS?** **ComedyAmt** is a live stand-up comedy show where Berliners finally get to complain properly. ***We made a system for it:*** •You fill out a short complaint form when you arrive. • Comedians read it on stage And voilà – your private annoyance becomes public entertainment! **🌍 WHAT YOU CAN COMPLAIN ABOUT** Not just Germans or expats – EVERYONE! You can submit complaints about: * Berlin habits * cultural misunderstandings * shared social confusion * and everyday things that make no sense anymore If it mildly annoys you in real life, it belongs here. **Passive aggression welcome!** **⚖️ THE RULE** Everyone gets complained about. Everyone gets laughed at. No one is special. That’s the point. And if you think someone is talking about you, they probably are. But don’t worry, someone is also talking about them. ❗️**DISCLAIMER** **This is not hate speech or political debate, we’re here to leave as friends and/or lovers, who knows.** 📍 GOOD TO KNOW * Show is in English * Audience participation is optional * Submissions are anonymous * Content comes from real audience complaints **DOORS 8PM** **SHOW 9PM** This is a pay what you want show — we don’t change the entry fee so you can contribute according to your level of enjoyment (Suggested levels of enjoyment vary between 12 EUR for students and unemployed and 15EUR for everyone else unless your level of enjoyment is over the top! Then who are we to stop you. Jokes aside — it is a show functioning solely thanks to the audience financial support.

**The Vibe Coding Collective is a global community** helping anyone turn ideas into working software with AI. We host **relaxed social coding jams** and other vibe coding events in bars, cafés, and maker spaces. We started in London and have now launched events in Berlin 🇩🇪, New York 🇺🇸, Edinburgh 🇬🇧, Osaka 🇯🇵, Amsterdam 🇳🇱, and Lisbon 🇵🇹. **Details 🚀** This meetup is a **social coding jam** where we use AI to quickly turn fun ideas into functional prototypes. Whether you’re an experienced developer or have never written a line of code, you’ll fit right in. You can use any AI tools you like: **Google AI Studio, ChatGPT, Claude, Cursor, Replit**, whatever! And see what you can build together before the last orders 🍻 **Format 🛠️** After an opening presentation, we’ll be **teaming up in small groups** (2–3 people). Everyone gets a choice of several open-ended challenges, and then it’s heads-down building with your teammates. The goal is to **vibe, learn from each other, and see where the collaboration takes us.** **New to vibe coding? ✨** No worries! We begin with a simple starter guide with example prompts and tips so even total beginners can dive in without stress. *** **Schedule 🕒** *(Doors open early so we can settle in — aim to arrive by 2:50 PM so we can kick off on time)* * **3:00** – Presentation 🎤 * **3:15** – Assignment + team formation 🤝 * **3:15** – Build together 💻 * **4:40** – Optional demos 📺 * **5:00** – Hang out, network, make friends ✌️ *** **Who is it for?** **Anyone!** Curious coders, tinkerers, designers, artists, entrepreneurs, and anyone who wants to explore AI-powered creativity in a fun, social pub setting. **What to bring:** * **Laptop!** 💻 * **Vibes** ⚡ 👉 **No pressure, no gatekeeping.** Just good people, fun ideas, and some fast-paced collaborative building. **Event Information:** * Facilitator: **Poppy Astrini** [linkedin.com/in/poppyastrini](https://linkedin.com/in/poppyastrini?utm_source=luma) * Language is in **Dutch** and **English** * Coffee and tea will be provided **Location 📍** Het Stationshuis, Marcellus Emantspad 1, 2624 VD Delft, Netherlands

Book a ticket [HERE](https://www.epiccomedyberlin.com/weekly-shows?utm_source=meetup&utm_medium=referral&utm_campaign=dark-thoughts-meetup-berlin-sales&utm_content=listing-main-v1&target=weekly-shows&show=dark-thoughts&city=berlin) A Berlin comedy show where Berlin's top stand up comedians take your suggestions and generate hilarious sets on the spot! ★★★★★ DOORS 10:45 PM SHOW STARTS 11 PM ★★★★★ ★★★★★ENGLISH-SPEAKING★★★★★ Finally, something Netflix can't match! The Darkest Thoughts Comedy Berlin show offers you the audience a chance to get immediate comedy based on any topic you can think of. This interactive comedy show opens with a short and funny conversation with the host about what themes interest you today. Then there is a short break where you get another drink and write down whatever you want us to improvise about in the second part related to the themes we discussed. Then a lineup of the best Berlin comedians will come in and improvise standup comedy on the spot with your notes! It's gonna be funny, interesting comedy show generated straight from your thoughts! This is a donation-based show (Recommended donation 10-15 Euro) so entry is free but we recommend you reserve your seat as seating is limited (reservations valid until 15 minutes before the show starts.) So reserve now and let the Darkest Thoughts Comedy show pluck some funny directly from your mind!

Join us for a fun, low-pressure way to connect with techies/non-techies in Berlin. On **May 22th from 6:30–9:00 PM** we'll run another session of **404 Brain Not Found – Tech Trivia Night**—a playful, welcoming tech-themed quiz night where curiosity beats expertise every time. You don’t need to be a developer, engineer, or “tech person” to have a great time. The questions span everything from everyday tech and internet culture to random fun facts, so everyone can contribute and shine. Whether you’re in it to win or just to laugh along the way, you’ll fit right in. Come with a team of 3-4 friends, colleagues, or fellow trivia lovers—or arrive solo and **we’ll match you up with others.** It’s a great way to meet new people, share a few laughs, and maybe learn something unexpected. Expect good vibes, light competition, and plenty of “wait, I actually knew that!” moments. No pressure. No gatekeeping. Just a great evening together. We’ll have a small **prize** for the winning team—something to celebrate your trivia glory and well-earned bragging rights! We kindly ask each participant to contribute **€2**. A small buy-in, but it makes the win even sweeter 😉 **More Details** **Location**: Kürbiskern Bar at Kopernikusstraße 23 (Near M13 and M10 trams, Also not far from S/U Warschauer Str). **Time**: Please arrive by 18:30, Quiz starts at 19:00. Can't join if you're late. **Teams**: No team no problem! come alone to join others. If you bring your own team (max 4 members). **Contribution**: Bring €2/player to cover prize. **Quiz play**: 3 Rounds of 10 questions each. 2 minutes per question. Please bring a charged phone to answer the questions.

Book a ticket [HERE](https://www.epiccomedyberlin.com/weekly-shows?utm_source=meetup&utm_medium=referral&utm_campaign=epic-comedy-showcase-meetup-berlin-sales&utm_content=listing-main-v1&target=weekly-shows&show=epic-comedy-showcase&city=berlin) A comedy extravaganza that showcases the very best veteran and up-and-coming comedic talent in Berlin. DOORS 8:00 PM, SHOW STARTS 9:00 PM BAR IS CASH ONLY Join us for a night of Epic Comedy as we bring you the cream of the crop when it comes to Berlin's established and up-and-coming comedians. Our code is quality. That means no first-timers, no hobbyists, just tried and tested comedians bringing you tight sets of original comedy. We pick our comics based solely on their ability to take you from the sprawling plains of average humour and usher you through the gates of next-level hilarity. This is a Pay-What-You Want show. This means you reserve a ticket and don't pay anything upfront. You pay what you think the show is worth at the end. We are confident in our ability to deliver a lineup and show that is worth at least 15-20 Euro and we are willing to put our money where our mouth is. Can we make it any fairer than that? Still, if you'd rather pay upfront, we also have the option of purchasing a table seat which offers you somewhere to stack your drinks and is located farther back from the stage. The call has gone out, the comics are gathering. The only question is, are you in the mood for something Epic?! Join us for the best Friday comedy live event in Berlin! Book now! PLEASE NOTE: We are unable to offer refunds within 24 hours of showtime

Tolle Berlinerinnen und Berliner, als ich schreibe, sitze ich im Wald zwischen Buchen und Eichen auf meinem Campingstuhl und genieße die Ruhe des Sonnenlichts. Suchst du nach Freiheit von dem Lärm der Szene, Lärm der Stadt? Möchtest du Brücken mit interkulturellen, diversen Leuten aufbauen? Dieses Jahr möchte ich unbedingt neue Leute, die Tiefe und Empathie haben kennenlernen. Diesen Leuten meine Zeit geben, und gegenseitige Freundschaften hoffentlich aufbauen. Selbst glaube ich, dass Mädels und Jungs einander nicht verstehen können, wenn der Sinn von einer Person 100% einer Geschlecht ist und die Person keines der Geschlecht gegenüber kennt. Idealerweise sollte der Sinn 50/50 weiblich/männlich sein, dass wir uns ideal verstehen können. Selbst bin ich Künstler, der sich für Farbphysik (Colour Phenomena) interessiert. Zum Beispiel ein roses Kirschbaum in der blauen morgen Stunde. Oder blaue Bäume im Licht eines bedeckten Sommer Tag, auch wenn jeder glaubt, dass man sachlich weiß, ‚Bäumen sind grün!‘ Colour sind, glaube ich, hauptsächlich weibliche Phänomene. Und als Künstler empfand ich seit langem eine Affinität für Colour. Das Bild oben ist ein Kunstwerk von mir. Ich möchte die ruhigen Leuten erreichen, also der Treff ist entweder Online, per Signal Messenger (Link zur Gruppe im Kommentar) um neue Verbindungen leicht zu machen, oder auch sogar besser persönlich, wenn du dich spontan unterwegs sein will und persönlich treffen will. Wenn du mich persönlich triffst setzen wir uns auf eine Wiese, eventuell in der Wuhlheide, oder auf dem Tempelhofer Feld. Schick mir eine Nachricht per Signal Gruppe und wir können uns vereinbaren. Ich freue mich neue Leute kennenzulernen!

Welcome to Sunday Tech Coffee. This is a **networking** event for those in the tech industry in Berlin. We are usually inside and to the right. Ask the barista/bartender if you can't find us.

Chitta Walks is for people whose days move fast, while the mind never fully lands. Thoughts keep looping even when nothing is urgent. The body moves, but attention is elsewhere. Over time, this disconnect drains clarity and ease. This walk is a simple reset. We meet in Berlin’s Tiergarten and walk at a gentle pace. Parts of the walk are in silence, with light guidance and a few short prompts. The walk itself is the practice, bringing body and mind back into the same moment. No apps. No performance. Just a clear space to slow down and notice what is happening. If you want to slow down without withdrawing from life, join a Chitta Walk. ✨ **What to expect (approx. 90 minutes):** * A short arrival and orientation * A guided silent walk (phones off, no conversation) * One concise science-based impulse on attention or stress * Optional reflection in pairs or small groups * A simple takeaway or experiment for daily life 🚶**Who this is for:** * Professionals, creatives, and people in transition. * People who feel mentally busy and want more clarity and balance. * Those curious about mindfulness, but grounded and practical. * Anyone comfortable with silence and gentle self observation. 🔔 **Practical notes:** * Duration: 60-90 minutes * Wear comfortable shoes and weather-appropriate clothing * No prior experience needed * Group size is limited to keep the space quiet and focused 🧭 **Facilitator:** My name is Partha Sarathi, you can call me PS. I have lived in Berlin for over 12 years. With a background in physics and materials science, my interest in mindfulness grew through personal experience with stress and health challenges. I facilitate the space and structure of the walk, inviting shared exploration rather than instruction. 🤔 **Why Chitta Walks?** Chitta is a Sanskrit word referring to the mind or field of awareness, used here in a practical, non-religious sense. Chitta Walks is about noticing how the mind works by slowing down and walking together. Mindful walking makes thought patterns visible in real time, while moving and sensing in the world. The name points to a simple capacity: noticing what is happening in the mind without immediately trying to fix, judge, or optimize it. 🌿 **Possible effects:** A calmer nervous system. Clearer attention. A felt sense of being more present in your body. Subtle insights into how your mind reacts under everyday conditions. A quieter, more grounded way of moving through the city. **Come as you are. Walk. Notice. Leave with a little more space inside.**

**Berlin’s Only Comedy Show That Fixes Your Problems (Kind Of)!** Stand-up comedy meets hilarious, unqualified life advice! Comedians tackle your anonymously submitted problems live on stage—roasting, dissecting, and turning them into comedy gold. **Where?** The hidden Mitte gem —**Art.City.People** in **Heckmann-Höfe!** **When?** Doors: **8:00 PM** \| Show: **8:30 PM** Come for the stand-up, stay for the therapy—just bring your problems (or a friend with worse ones). Every show is a fresh mix of **four experienced comedians and new audience problems**—so you never know what to expect! Hosted by **Lena Stolby** — she’s Russian, so she *really* knows about problems! **&** We are a free entry pay-what-you-want show, and **have been running solely thanks to the support of the audience**, so to help us keep making this world a drama free place we **suggest a contribution of €12-15!** **Seats are limited, so book now!** The room gets very busy, so, to make sure you get a seat please book a seat via Eventbrite here (it’s free): https://www.eventbrite.com/cc/comedy-therapy-events-1626059

In diesem Workshop wagen wir uns an das vielschichtige Themengebiet *Liebe und Beziehungen* heran. Menschen sind Beziehungswesen: Zugehörigkeit, Verbundenheit, Nähe, Sexualität, Sicherheit und Geborgenheit zählen zu unseren Grundbedürfnissen. Für die meisten von uns ist eine erfüllte Partnerschaft eines der erstrebenswertesten Ziele im Leben. Wenn wir uns jedoch in der Gesellschaft und in unserem persönlichen Umfeld umsehen, scheint es, als wären wir kaum imstande, gesunde Beziehungen zu führen. Der Großteil von uns hat bereits mehrere Beziehungen hinter sich. Oft können wir nicht einmal klar benennen, woran sie gescheitert sind. Anhand der Erfahrungen, Beobachtungen und Interessen aller Teilnehmenden nähern wir uns den Fragen, die uns immer wieder bewegen. Wir erforschen, * was eine erfüllte Beziehung für jede:n bedeutet * was wir brauchen, um gelingende Beziehungen zu führen, * was uns dabei - persönlich und gesellschaftlich - im Weg steht, * und vor allem, wie wir daran arbeiten können. Wir forschen gemeinsam mithilfe des [re:nature® Kompasses](https://umainstitut.net/ueber-uns/renature-ansatz/). Dieses Lebensrad hilft uns dabei, komplexen Themen wie unseren Liebesbeziehungen eine Struktur zu geben. Angelehnt an die jahreszeitlichen Zyklen der Natur (Frühling - Sommer - Herbst - Winter) sind schließlich auch Beziehungen diesen Zyklen unterworfen: Verliebtheit - Commitment - Krisenzeiten - Trennung oder Neuausrichtung. Unser theoretisches Erforschen verbinden wir mit Übungen zur bewussten Körperwahrnehmung sowie mit kreativen Aufstellungen. Denn unser Ziel ist es, aus dem Erleben heraus neue Erfahrungen und Inspiration in die eigenen Beziehungen hinein zu tragen. Wir, Susanne und Ben, geben diesem Forschungsraum eine Richtung und einen Rahmen. Was dazwischen passiert, hängt von den Beiträgen der Teilnehmer:innen sowie der sich ergebenden Gruppendynamik ab. Persönliche Erfahrungen, drängende Fragen, Impulse und Ideen sind ausdrücklich erwünscht und sehr willkommen! Der Workshop ist offen für alle: ein inklusiver Raum für Menschen aller Geschlechtsidentitäten und sexuellen Orientierungen. Die Teilnahme erfolgt auf Spendenbasis. Bitte melde dich (zusätzlich) per Email an: [kontakt@benjaminpontius.de](mailto:kontakt@benjaminpontius.de)

Silent Book Club is a group of book lovers who enjoy reading together in public. All books and all readers are welcome. (Kindly RSVP 'yes' only if you can make it, so we can save a seat for you and our fellow readers on the waitlist!) This page-turning party will unfold in the Café (1st floor) at the Bode Museum. There's no entrance fee, but please order at least one item from the cafe and don't bring any outside drinks :) No quizzes, no pressure, no assigned books - just a group of book-loving souls basking in the beauty of silent reading. **Our thrilling agenda:** 10:30 am - 11:00 am - Arrivals, ordering drinks/food (social time) 11:00 am - 12:00 pm - The Great Quiet Reading Hour (where silence is the star) 12:00 pm - 12:30 pm - Optional socializing, share your reading adventures or just keep exploring the pages Stay for lunch, and who knows? You might just find your next favorite book over a pizza. NB: If you plan to go for lunch, please consider bringing cash, as some restaurants only accept card payments after a certain amount.

RSVP on Luma: [https://luma.com/y7jwd3nm?utm_source=Meetup](https://luma.com/g59otttt?utm_source=Meetup) Silent Reading / Creating Club is a gathering for people who enjoy focusing together in public. Bring a book, a notebook, a sketchpad, knitting needles, whatever you’d like to spend a quiet hour doing. All projects and all participants are welcome. We’re building a community of readers and creators who value depth, presence, and shared silence. The reading and creating isn't the real highlight, though, it’s in the people who return and make it feel like a familiar room. (Please RSVP “yes” only if you can make it, so we can save a seat for you and others on the waitlist.) Our Meeting Point is the **W66 Café**. There’s no entrance fee, but please order at least one item from the café and don’t bring outside food or drinks 🙂 No assignments, expectations, or pressure. Just a shared hour of intentional silence, followed by the opportunity for good conversation. 🕰 Our Agenda **10:30 – 11:00** Arrivals, ordering drinks/food, light social time **11:00 – 12:00** The Great Quiet Hour (Read. Write. Sketch. Code. Think. Sit.) **12:00 – 12:30** Optional socializing: share what you were reading or creating, or simply continue in quiet focus. ## 🏡 House Guidelines To keep this space calm and welcoming for everyone: • Silence during the focus hour (no calls or conversations) • Put cellphones on silent mode • If using technology, please avoid meetings or audio (headphones please!) • Arrive before 11:00 if possible to minimize disruptions

🧠 **Decision-Making Under Pressure (Part 2)** ​The wait is over. ​After the great response to our first session, we’re bringing it back — with new scenarios, new challenges, and even more real-time decision-making. ​This is not a typical event. It’s an **interactive business simulation**, where you step into the role of a founder and face real-world startup situations under pressure. ​You’ll work in small teams, analyze scenarios, make decisions within limited time, and present your approach — just like in real life. *** # ​💡 What to Expect ​🔹 Work in teams 🔹 Solve realistic startup scenarios 🔹 Make decisions under time pressure 🔹 Present your strategy 🔹 Receive feedback and different perspectives ​Each round becomes more challenging, pushing you to think faster, communicate clearly, and act with confidence. *** # ​🎯 Why Join ​Because building a startup is a series of decisions — and the ability to make them under pressure is what makes the difference. ​Whether you’re a founder, aspiring entrepreneur, or simply curious, this session will challenge you to think critically and act decisively. *** # ​Event Details ​📅 **May 24, 2026** ⏰ **13:00 – 15:30** 📍 **The Social Hub** See you there! Check out our websites: Company-[Datenstrom-3ag.com](https://datenstrom-3ag.com/?utm_source=luma) Application-[Growfirma.com](https://growfirma.com/?utm_source=luma)

**Welcome to Drunken Philosophy** a casual, curious social discussion **Optional topic for this meetup: What's up with all the AI hate?** A recent survey found that 74% of Americans have a negative view of AI, and I want to know why. Come out and debate whether AI is good or bad. My hot take: a labor-saving tool that could potentially help cure cancer gets called dangerous because it might raise unemployment or cause a speculative investment bubble, that tells you a lot more about capitalism and the economic system we live under than it does about the tool itself. As a computer programmer, I think AI is a wonderful tool that has increased my productivity by at least an order of magnitude. I'd go so far as to say Claude Code is the best tool I have ever used. Debate me and name a better one. Is AI potentially dangerous? Yes, but so are a lot of tools. Chainsaws. Steam engines (early ones would occasionally explode and kill everyone in the room). Do you think cavemen sat around debating whether fire could be used as a weapon or for self-harm, and decided not to discover it? I have two friends who hate AI for opposite reasons: one thinks it's a fad and not useful, and the other thinks it's going to take over everything and cause human extinction. Come out tonight, have a friendly debate, and make some friends. No lectures. Friendly crowd. Drop in for one drink and stay if it's fun.

We connect you with up to 30 Men or Women tennis partners close to your PLAYING REGION and skill level. This program is less competitive, no champions crowned, no league standings just dedicated tennis partners who want to meet up with you on the courts. Players will meet up to play a tennis match or just to hit around. Just go through the [Join Page](https://www.tenniscolumbus.com/partner-program) to enter this program. [https://www.tenniscolumbus.com/partner-program](https://www.tenniscolumbus.com/partner-program)

**Important time note:** Please plan on arriving between 5:30 and 6:00 as the elevators lock after 6 and you'll need to message us and we'll need to come get you. The building address is 4450 Bridge Park The entrance is 6620 Mooney St, Suite 400 You will need to scan your ID at the door to get a visitor badge. **Abstract** Like it or not, AI agents are now capable of turning a quickly written paragraph of requirements into a pull request that is ready to be integrated into real-world production applications and it's now our responsibility to make sure AI doesn't go rogue and take down prod - or corrupt our data by misunderstanding the requirements or our existing schemas. In this session we'll explore strategies to protect our codebases through unit and integration testing, documentation, and code review along with additional ways of providing context and guard rails to our AI agents as they carry out the work we've assigned them to do. By the time we're done, you'll have a firm grasp of the problem and understand some helpful options for protecting your codebase from vibe coding mishaps getting YOLOed into prod. **YouTube Link** TBD

Whether you've never done improv before, or you've done it for so long you knew Del Close on a personal level, or anywhere in between, come join us! Swing by *Gresso's* for the **Columbus Improv Comedy Meetup** for some fun and games! The idea behind improv is to create entire scenes from scratch based on a suggestion from the audience. This can be done in game form, like *Whose Line Is It Anyway*, *ComedySportz*, or *Wild 'n Out*; it could also be done to tell stories, like *Middleditch and Schwartz*. Our meetup, which is central Ohio's longest running (and free!) weekly comedy event, brings the games (and occasionally different forms) for you to play in a safe, supportive, and compassionate environment. Not only is it a lot of fun, but you get to work on thinking faster on your feet, plus it's an excellent way to meet new people and make friendships that'll last a lifetime! Ask yourself if you want to join the **Columbus Improv Comedy Meetup**, and say "Yes, And" that you'll have fun!

Private Group. Closed to the Public Knowing ourselves and understanding our abilities is the first step toward wielding our gifts with control and accuracy. In subsequent classes we will verify and hone our talents with activities and discussion. These are hands-on workshops and participation is expected. The goal of our series will be to develop expertise in areas of particular interest such as mediumship, channeling, divination, healing and, etc.. Our ultimate directions will be determined by class members as we evolve. I look forward to sharing and discovering with you. - Cynthia

Bring your work or your hobby, hang out, and code with us. Follow @buckeyecocoa for more information.