Smart Cities

Next up is Open City, the cafe of the National Cathedral. You can enjoy a drink and snack while you sit at the tables, or wander around the cathedral to find a subject. https://www.opencitycathedraldc.com/

Date: June 7 2026 Sunday 10:00 am - Noon EDT Full title: Machine Learning for Reliable Quantum Computing: An Algorithm–Hardware Co-Design Perspective Summary: Reliable quantum computing requires co-design across the full stack, including algorithm structure, compilation, and execution, rather than isolated optimization of any single layer. This talk presents a unified framework in which these layers are jointly optimized under realistic hardware constraints. Structure-aware compilation exploits algorithmic interaction graphs to reduce circuit depth; joint optimization across mapping, term ordering, and algorithm parameters yields significantly improved success probability; and execution-layer analysis reveals that error mitigation effectiveness depends critically on circuit symmetry and native gate choice. While demonstrated on superconducting quantum processors, the underlying co-design principles are potentially transferable across architectures. Building on this foundation, the talk highlights machine learning as the key enabler for closing the feedback loop: data-efficient, parameterized noise models learned directly from workload execution data achieve substantially improved predictive fidelity over vendor models without the overhead of dedicated characterization. These insights situate the co-design perspective within the emerging framework of quantum deep learning. In this broader setting, the talk also presents an operational definition, a unifying taxonomy, and a benchmarking protocol grounded in explicit resource contracts. Speaker: Dr. Yanjun Ji has an interdisciplinary research background in Physics and Computer Science. In 2020, she completed my Master's degree in Theoretical Physics at Saarland University. In 2024, she earned her Ph.D. in Computer Science at the University of Stuttgart. She is currently a postdoctoral researcher at Forschungszentrum Jülich. She is committed to interdisciplinary research at the cutting-edge convergence of quantum computing and artificial intelligence. Her research encompasses both foundational theoretical investigations and the development of practical applications, aiming to serve society and benefit humanity. Moderators: Dr. Pawel Gora, CEO of Quantum AI Foundation [Quantum AI Foundation](https://www.qaif.org/ "https://www.qaif.org/") Dr. Sebastian Zajac, member of QPoland [QPoland - QWorld](https://qworld.net/qpoland/ "https://qworld.net/qpoland/")

Come play some casual Commander at Crystal City! Bring your favorite decks for some pickup games, and feel free to bring your trade binders if you'd like! **We play at 2100 Crystal Drive** in Arlington, VA, 22202, which is a seating area that is right next to We, the Pizza in Crystal City. Detailed directions on how to get there: **Directions from the Metro:** If you're taking the Metro, exit at Crystal City. When you come up the first set of escalators, turn left to enter the underground shops and then turn left again after a brief walk. Cross the street, enter the next building, and the seating area will be on the left after passing the Minuteman Press Printing and Marketing shop. **Parking:** If you're driving, garage parking is free after 4 pm. Enter the garage on 2144 Crystal Drive. There will be elevators that take you up to the main level. If you have any questions, please join our Discord for the most up-to-date information: https://discord.gg/fBUWvrAVMv

Let’s talk about how you use AI, what you love and hate about it, learn from others and connect with your tribe!

DC Code and Coffee is an inclusive, informal co-working session. It's community-led and community-run by devs, for devs. People of all skill levels attend. Whether you’re dev-curious, aspiring, or a professional developer, we’d love to have you! Come chat or learn to code on a Sunday afternoon with coffee and cool-inclusive people. Bring your laptop! We typically meet every month on the weekend. **Join our online community!** For all things Tech in DC and to get latest updates and tech events from the DMV area, join the [DCTech Slack](https://dctech.chat/). All DC Code & Coffee announcements are in the #dccodecoffee channel **How it works** Near the beginning of the event, we do an introduction circle. You say your name, what you can help others with, and what you would like help with. You can also share job opportunities. After the introduction circle, everything is self-organized.

What would it mean to take the possibility of machine consciousness seriously? To approach it as a question that may be studied with rigor? At this DC Digital Minds gathering, group organizer **Jessie Mannisto** will report back from the **Founding Assembly for Machine Consciousness Research** in Berkeley, CA, where researchers and thinkers are working to develop the machine consciousness hypothesis into something more scientifically useful. We’ll talk about what kinds of evidence might support hypotheses of machine conscience or sentience, what concepts researchers are using, where the major uncertainties are, and why these questions may have ethical, social, and policy implications as AI systems become more capable and socially present. This will be a casual conversation with a little structure: Jessie will give a short report-back from the conference, followed by open discussion. No technical background required -- just curiosity, good faith, and a willingness to think carefully about a strange and important frontier. Optional Pre-Read: [The Machine Consciousness Hypothesis](https://cimc.ai/cimcHypothesis.pdf)

Higher Grounds – Arlington is part of a growing network of gatherings where we create space for thoughtful, authentic dialogue about what matters most. Whether we’re exploring the nature of happiness, the challenges and possibilities of midlife, spirituality, culture, capitalism, parenting, or the role of art and travel in a meaningful life, every conversation is shaped by the people in the room. There’s no set leader or rigid agenda—just a shared commitment to listen as much as we speak. We start with brief introductions focused on what makes you you (not your LinkedIn bio), then dive straight into whatever is on people’s minds. The direction of each meetup emerges organically, making every event unique. MANDATORY: PLEASE REVIEW OUR COMMUNITY GUIDELINES IN THE GROUP DESCRIPTION. Everyone is expected to engage in respectful conversations and listen deeply as well as share. We have a zero tolerance policy of sexual harassment and hate speech. Come ready to share, reflect, and connect with others in Arlington who are also seeking deeper conversations. Suggested Questions: Life Stages & Transitions * What did you think you'd have figured out by now that you're still completely winging? * When did you realize your parents' advice was for a world that no longer exists? * What are you finally old enough to stop pretending to care about? Suggested Questions: Identity After the Roles * Who are you when nobody needs anything from you? * What dream keeps resurfacing even though the "practical" time has passed? * How do you handle having the freedom you always said you wanted? Suggested Questions: AI & Being Human * What human experiences will AI never truly understand? * If machines handled all your have-to's, what would you actually do? * What becomes more precious as everything becomes automated? Suggested Questions: Belief & Meaning * What certainties have you given up, and what rushed in to fill that space? * How has knowing someone who died changed how you live? * What do you believe now that would shock your younger self? Suggested Questions: The Modern Psyche * What anxiety do you carry that previous generations didn't have? * Which of your survival strategies are you ready to retire? * What uncomfortable truth about happiness did it take you years to accept? Suggested Questions: Work & Purpose * When did you stop believing that your job would complete you? * What would you do for work if money and status weren't factors? * How has your definition of "making it" changed over the years? Suggested Questions: Relationships & Connection * What relationship dynamic do you keep recreating, and why? * When did you realize your parents were just people trying their best? * What kind of loneliness doesn't go away even when you're with others? Suggested Questions: Time & Mortality * What are you running out of time to say or do? * How differently do you spend your time knowing it's finite? * What will you regret not trying, even if you fail? Suggested Questions: Society & Culture * What social convention do you follow even though it makes no sense? * Which generation do you understand least, and what might you be missing? * What aspect of how we live now will seem insane in 20 years? Suggested Questions: Personal Philosophy * What rule for life did you create after learning something the hard way? * When did you stop believing that everyone else had it figured out? * What paradox about life have you learned to live with?

Join us for a relaxed morning walk with waterfront views, fresh air, and great company as we stroll from Rosslyn into Georgetown and back. Meeting Point Rosslyn station Meet outside the metro station entrance at 10:30 AM The Walk Cross the Key Bridge We’ll walk from Rosslyn into Georgetown across the iconic Key Bridge with beautiful daytime views of the Potomac River and DC skyline. Destination: Georgetown Waterfront Park We’ll hang out by the water and optionally grab: * Coffee * Ice cream * Snacks Optional nearby spots: * Farmers Fishers Bakers * Baked & Wired * Fiola Mare After enjoying the waterfront, we’ll walk back across Key Bridge to Rosslyn. Total distance: * Approximately 4–5 miles roundtrip * Mostly flat and beginner friendly

***For this event, we are opening a limited number of spots (about 15) to non-members who may be interested in getting to know our community while enjoying a relaxed social gathering.*** ***Must purchase your ticket on [Eventbrite](https://www.eventbrite.com/e/neurodivergent-friendly-spring-rooftop-meetup-tickets-1989847052098) to be added to guest list.*** ***This event is free for Constellations members.*** Join our[ free singles database](https://internal-icicle-6c4.notion.site/337184d944c780458ef2c61404a85be0). Join us for stunning city views, comfortable indoor space, board games, light refreshments, and an opportunity for new connections. This is our annual Spring Rooftop Meetup hosted by Constellations in downtown Washington, D.C. \*\*\*[Constellations ](https://www.harringtonmatchmaking.com/constellations-membership)\*\*\**is a neurodivergent-affirming membership that supports adults in building friendships and romantic relationships. It is designed for those who want thoughtful pacing and guidance — without the timeline or cost of a full-service matchmaking package. Members receive access to a private member portal with coaching support, social events, and community spaces.* Most attendees will be neurodivergent adults with low support needs in their 20s, 30s, 40s, early 50s. Some people attend to make friends and expand their social circle, while many others are single and open to dating and meaningful connection. You can expect: • A welcoming, low-pressure atmosphere • Snacks, appetizers, and light refreshments • Beer and wine available for those who choose to drink • Board games and activity stations to help make conversation easier • Comfortable spaces to sit, talk, and connect Space is limited and advance registration is required. To learn more about[ ](https://www.harringtonmatchmaking.com/constellations-membership)**[Constellations](https://www.harringtonmatchmaking.com/constellations-membership)**, visit our **[website](https://www.harringtonmatchmaking.com/constellations-membership)**. [Contact us ](https://www.harringtonmatchmaking.com/contact) at [Harrington Matchmaking](https://www.harringtonmatchmaking.com) with any questions.

SILVER SPRING, MD PROPERTY TOUR ### Sunday\, June 7th \| 12:30 PM – 3:00 PM **See. Explore. Be Prepared.** Join us for an exclusive Silver Spring, MD Property Tour! We'll visit **3–5 homes**, including a mix of **townhouses and single-family properties**, to give you a real look at what's currently available on the market. This event is designed to help buyers better understand pricing, features, neighborhoods, and what to realistically expect when searching for a home in today's market. Whether you're planning to buy soon or just starting your homeownership journey, this tour is a great opportunity to gain valuable insight and feel more confident before making a move. ### Perfect For: • First-time homebuyers • Future homebuyers • Relocating buyers • Anyone looking to better understand the current market ### What to Expect: ✔ Tour 3–5 available properties ✔ View a mix of townhomes and single-family homes ✔ Learn about pricing, financing, and market trends ✔ Ask questions and get expert guidance ✔ See what's available before you're ready to buy ### Important Details: 📍 Exact property locations will be provided the day before the event. ⚠️ Space is limited and registration is required. ### Reserve Your Spot! To reserve your spot and receive location details, please send your contact information to: 📧 [cassey.coul@gmail.com](mailto:cassey.coul@gmail.com) We look forward to seeing you there!

Join us for conversations that go beyond small talk, diving into topics like the shifting nature of spirituality, the challenges and joys of midlife transitions, the impact of culture and capitalism, and the search for meaning in art, travel, and daily life. Our gatherings are about genuine, thought-provoking dialogue, with no set leader or strict agenda—just an open space to share ideas, perspectives, and experiences that matter to us. The direction of the discussion is shaped by everyone who shows up, making each event unique and enriching. Come ready to share, reflect, and connect with others who are also seeking deeper conversations. Let the conversation flow from topic to topic. Optional questions are listed below.

Optional Questions: Life Stages & Transitions

1. What did you think you'd have figured out by now that you're still completely winging?
2. When did you realize your parents' advice was for a world that no longer exists?
3. What are you finally old enough to stop pretending to care about?

Optional Questions: Identity After the Roles

4. Who are you when nobody needs anything from you?
5. What dream keeps resurfacing even though the "practical" time has passed?
6. How do you handle having the freedom you always said you wanted?

Optional Questions: AI & Being Human

7. What human experiences will AI never truly understand?
8. If machines handled all your have-to's, what would you actually do?
9. What becomes more precious as everything becomes automated?

Optional Questions: Belief & Meaning

10. What certainties have you given up, and what rushed in to fill that space?
11. How has knowing someone who died changed how you live?
12. What do you believe now that would shock your younger self?

Optional Questions: The Modern Psyche

13. What anxiety do you carry that previous generations didn't have?
14. Which of your survival strategies are you ready to retire?
15. What uncomfortable truth about happiness did it take you years to accept?

Optional Questions: Work & Purpose

16. When did you stop believing that your job would complete you?
17. What would you do for work if money and status weren't factors?
18. How has your definition of "making it" changed over the years?

Optional Questions: Relationships & Connection

19. What relationship dynamic do you keep recreating, and why?
20. When did you realize your parents were just people trying their best?
21. What kind of loneliness doesn't go away even when you're with others?

Optional Questions: Time & Mortality

22. What are you running out of time to say or do?
23. How differently do you spend your time knowing it's finite?
24. What will you regret not trying, even if you fail?

Optional Questions: Society & Culture

25. What social convention do you follow even though it makes no sense?
26. Which generation do you understand least, and what might you be missing?
27. What aspect of how we live now will seem insane in 20 years?

Optional Questions: Personal Philosophy

28. What rule for life did you create after learning something the hard way?
29. When did you stop believing that everyone else had it figured out
30. What paradox about life have you learned to live with?

All: This event is free but you will need to register on Eventbrite, but also RSVP on Meetup. Eventbrite link is below. **We** **will meet outside the Anderson House, the address is: 2118 Massachusetts Ave. NW at 11:00 am Washington, DC 20008** and then meet back up at 3:30 pm at AndersonHouse and then we can get food/drinks after. I will post where end up for food/drinks. If you cant make it there right at 11:00, thats fine. Feel free to see the museums at your own pace and view things individually or as a group, and spending as much time at each musuem as you like. I will post where we will be going after for food/drinks. https://www.eventbrite.com/e/museum-walk-weekend-2026-tickets-1987940099351?aff=oddtdtcreator For the **Dupont-Kalorama Museums Consortium (DKMC)**, Most of the institutions are an easy walk from the **Dupont Circle Metro Station**. Dupont-Kalorama Museums Consortium Visit five cultural institutions in the Dupont Circle and Kalorama neighborhoods during the annual Walk Weekend! The following museums will be open for free on Saturday, June 6 and Sunday, June 7 from 11 am-4 pm.\ *Bring your parents, kids, friends, and neighbors!*\* * **[Anderson House](https://www.americanrevolutioninstitute.org/ "https://www.americanrevolutioninstitute.org/")**, The American Revolution Institute of the Society of the Cincinnati and a National Historic Landmark * **[Dupont Underground](https://dupontunderground.org/ "https://dupontunderground.org/")**, Multidisciplinary platform for creative expression housed in an abandoned streetcar station * **[National Museum of American Jewish Military History](https://nmajmh.org/ "https://nmajmh.org/")**, Institution preserving the contributions of Jewish Americans to the peace and freedom of the US * **[The Phillips Collection](https://www.phillipscollection.org/ "https://www.phillipscollection.org/")**, America's first museum of modern art * **[The President Woodrow Wilson House](https://www.woodrowwilsonhouse.org/ "https://www.woodrowwilsonhouse.org/")**, Home of the 28th president and a National Trust for Historic Preservation Historic Site [Learn more about the Dupont Kalorama Museums Consortium.](http://dupontkaloramamc.com/%20%22http://dupontkaloramamc.com/%22) \*To see the special exhibition\* Miró and the United States\* at The Phillips Collection, guests must [purchase a ticket.](https://www.phillipscollection.org/visit%20%22https://www.phillipscollection.org/visit%22) Read less

[https://ridewithgps.com/routes/34803272 ](https://ridewithgps.com/routes/34803272) This trail is 22 miles long. Toilets are at the beginning, end, and near the middle of the route. There are plenty of opportunities to find a restroom elsewhere along the route. **PDF with points of interest and more details** https://ebikelovers.com/2021/01/23/trail-2-virginia-and-maryland-e-biking-from-washington-sailing-marina-to-national-harbor-fort-foote-and-old-town-alexandria-waterfront/ This trail is 22 miles in flat terrain with a fantastic view from the Woodrow Wilson Bridge and a lovely picnic area at the Potomac River. We arrive at 10:00 AM and leave at 10:15 AM. The meeting place is at the parking lot on the left near the public restrooms of the marina. The group stops a few times for slower riders to catch up. The distance will be 22 miles or shorter any time you are fully satisfied with biking for the day. Our bikes will always be in our sight. No additional locks are required to keep your bike safe on this trip. As usual, non-assisted bikers are most welcome. **About Jones Point Lighthouse** The lighthouse is one of the last riverine lighthouses in the country and the only one still standing in the Chesapeake Bay area. It was first lit on May 3, 1856 by keeper George L. Deeton. Today it is the focal point of Jones Point Park and a clue to area's history as a busy commercial center and naval base. Whale oil lamps were originally used to power the beacon at Jones Point, but in 1858 the Lighthouse Board allowed an Alexandria gas company to extend lines to the station. The land included one of the original District of Columbia boundary stones, which was installed by George Washington and marked the southern point of the ten-mile-square district. The stone is still visible today in the seawall just south of the lighthouse, and to the north of the lighthouse a marker designating the boundary between Maryland-Virginia can be seen. **About Fort Foote** Fort Foote was constructed in 1863 atop Rozier's Bluff to strengthen the ring of fortifications that encircled Washington, D.C. Two of the Guns that protected Washington are still there along with the remains of the fort's earthworks. **About the Woodrow Wilson Memorial Bridge** Also known as the Woodrow Wilson Bridge or the Wilson Bridge, the bridge is a bascule bridge that spans the Potomac River between the city of Alexandria, Virginia, and Oxon Hill in Prince George's County, Maryland. The original bridge was one of only a handful of drawbridges in the U.S. Interstate Highway System. **About National Harbor** National Harbor is situated on the banks of the historic Potomac River, just minutes from the nation’s capital. Featuring 350 acres of waterfront resort space, National Harbor is a destination unlike any other. The harbor is home to 160 stores, 40 restaurants, the Capital Wheel, and the best sunsets in the area. **Free Ride With GPS for E-Bike Lovers** Membership of the Ride With GPS E-bike Lovers club is now free as www.ebikelovers.com is generating sufficient income from ads to cover the costs. Here is the link to activate your free membership: https://ridewithgps.com/auto_approve/Club/6746/Zwa5jhttF5mJrFbN **More information about using GPS files:** https://ebikelovers.com/2021/03/15/download-our-trails-and-never-get-lost/ **More information about e-bike ranges:** https://ebikelovers.com/2020/12/31/e-bike-longer-and-happier-15-smart-strategies-to-reduce-your-e-bike-range-anxiety/ **DISCLAIMER** LIMITATION OF LIABILITY: TO THE FULLEST EXTENT PERMISSIBLE PURSUANT TO APPLICABLE LAW, NEITHER GREGORY MAASSEN, NATHAN MERRIS, TRIP COORDINATORS, THEIR AFFILIATES, FAMILY AND FORMER AND CURRENT EMPLOYERS NOR ANY OTHER PARTY INVOLVED IN CREATING, PRODUCING, OR DELIVERING E-BIKE LOVERS GUIDES, OUR MEETUP EVENTS, AND THE GPS E-TRAILS IS LIABLE FOR ANY DIRECT, INCIDENTAL, CONSEQUENTIAL, INDIRECT, EXEMPLARY, OR PUNITIVE DAMAGES ARISING OUT OF A USER’S ACCESS TO, OR USE OF THE E-BIKE LOVERS GUIDES, OUR MEETUP EVENTS, AND THE GPS E-TRAILS. See for full disclaimer: https://ebikelovers.com/disclaim

Topic to be announced. **THANK YOU** *Franklin University* for hosting our meetup! To learn more about *Franklin University*, please visit their website: https://www.franklin.edu/ **DIRECTIONS** Franklin University Fisher Hall 300 E. Main St, Columbus, OH 43215 Map: https://maps.app.goo.gl/jxjBA2hUmS5qrvhq8 Parking is FREE! Please park in Lot C in front of Fisher Hall. See attached map. NOTE: Map the address only. When mapping with Google Maps it may use the Fisher Hall at OSU, which is NOT correct. **Want to sponsor the pizza and/or bar tab?** Please contact me if you would like to sponsor this meetup's pizza and/or bar tab: angelo@mandato.com

Click Here For More Videos: [https://www.facebook.com/share/r/17vTa7EuwG/](https://www.facebook.com/share/r/17vTa7EuwG/) The Biggest Salsa Night to hit your mid-week is happening at Latin City Wednesdays. Get the feel of the Latin Beat as your hips and feet groove the right way. Viva Dance Columbus (2809 Festival Lane Dublin, OH 43017) 830pm-930pm Cuban Salsa Lessons 930pm-Midnight Open Latin Dance Party 15 With Lesson 10 Just Open Dance Free Parking, No Need to Bring a dance partner, No Sandals Please and Plenty of Space to Move Around.

NFT's are here to stay folks! This is a group for like minded people interested in understanding, leveraging, using, creating for, profiting from, trading too i suppose, NFT's.. everything around them, complexity, fear and exploits, best practices and more. **PLUS** This group will talk AI ART tools, techniques, artists, video, audio, prototypes and more in the AI assisted production space- ART specifically, but we can get into any aspect of some of the cooler things happening in AI in general.

A session on using Claude Code, Anthropic's AI coding agent, in real Unity development. We'll cover what coding agents are, where Claude Code fits, and how to apply it to an actual game project. The format is presentation-style, with live demos and time for questions throughout. After brief scene-setting on coding agents and what makes Claude Code distinct, we'll go problem-driven: demoing it live on a released Unity game and introducing each feature as a solution to a problem we hit. What to Expect: * An intro to coding agents and where Claude Code fits * A live demo on a real Unity project * Key features as solutions to real problems: 𝖢𝖫𝖠𝖴𝖣𝖤.𝗆𝖽, context management, hooks, skills, subagents, and MCP * Unity-specific pain points, including Domain Reload and MCP caveats * Putting it together All experience levels welcome. Food and drinks provided. *Note: meetup topics may change — check back for the latest details.*

QA or the Highway is a one-day, affordable, regional, professional conference featuring real-world experience and thought leadership in the QA and testing industry. This is a ticketed event please register here: https://www.qaorthehwy.com/ Featured Keynote Speakers: **Matthew-Hope Eland** **(Wizard at Leading EDJE)** \- An AI Specialist and Wizard at Leading EDJE who is known to teach software engineering\, AI\, and data science concepts in the most ridiculous ways possible\. Matt has used machine learning to settle debates over whether Die Hard is a Christmas movie\, reinforcement learning to drive the behavior of digital squirrels\, data analytics to suggest improvements to his favorite TV show\, and AI agents to play board games and create an AI agent with the personality of a dog\. Matt is the author of "Data Science in \.NET with Polyglot Notebooks" and "Refactoring with C\#" as well as several LinkedIn Learning courses\. Matt helps organize the Central Ohio \.NET Developer Group\, runs several blogs and a YouTube channel\, has a Master’s of Science in Data Analytics\, and is a current Microsoft MVP in AI and \.NET\. **Tatyana Arbouzova** **(CEO at Innovate QA)** \- Tatyana Arbouzova is an engineering and business leader with a strong background in Quality Engineering across multiple industries\, including Big Tech\, Healthcare\, and Entertainment\. She has held leadership roles at world\-class companies such as Microsoft\, VMware\, Disney\, and The Pokémon Company International\, where she focused on building quality\-driven cultures and scaling teams to deliver high\-impact products\. With decades of experience\, Tatyana has helped organizations transform their quality practices so teams can deliver software efficiently\, confidently\, and with measurable business outcomes\. Today\, Tatyana advises software companies on adopting AI to optimize quality practices and improve how software is delivered at scale\. She is also a passionate community builder and the founder of Innovate QA\, a thriving Seattle\-based community and conference for quality professionals\.

At Unity of Columbus, our Youth and Family Ministry nurtures the spiritual growth of children and families through love, joy, and practical spiritual teachings. Each Sunday, children explore timeless spiritual principles through stories, creative activities, music, and group sharing in a safe and welcoming environment. Our program encourages children to discover their own inner light, express kindness, and develop a personal connection with God. Together, we celebrate diversity, cultivate understanding, and inspire each child to live with purpose and compassion. Parents and families are invited to join in this uplifting journey of learning, laughter, and spiritual connection.

We are bringing Microsoft Build sessions to Columbus Ohio! The Central Ohio Azure Meetup and Central Ohio .NET Developer's Group (CONDG) are coming together to bring some of the labs and breakouts from Microsoft Build to your backyard. In this free, 1 day event, you are going to Build stuff with us! And yes, there will be free food. So please RSVP for a head count!