Hardware

**NEW GAME LOCATION at The Board Room** Let's play board games. Not the ones your ancestors played but the really cool ones of the new millennium. We play everything from fun, social games to light to heavy strategy games. Don't know how to play? Not a problem - we're happy to teach. It's a great chance to learn new games or play your favorites with non-competitive people who like to laugh. You can build a railroad, eradicate a plague, or explore the far reaches of the galaxy in one evening. While many will bring their own games, you can show up gameless and still play. We play at the Board Room in Clarendon on Wednesday from 6:30-10:00. It's within walking distance from the Clarendon metro. **Find us in the far left by the fermentation tanks.** If that area is reserved for a private event, look for us in the middle. Look for a group that has containers and carrying bags with multiple games. We're very fortunate to have this great venue for our game nights and they take care of us for 3-1/2 hours, so please spend a minimum of $10 on food or drink and tip generously (at the very least $2, even if 20% of your bill would be $1). Thanks!

Come kick back with the Black Code Collective! We'll be on the second floor by the main entrance in the mall!

🌙✨ NetSAP (Network of South Asian Professionals) and YBP (Young Bengali Professionals) Community Iftar at Ballston Quarter Market ✨🌙 Join us for dinner or breaking fast together! 🗓Wednesday, February 25 ⏰ 5:30 PM 📍 Ballston Quarter Market (Halal options available!) Please bring your own: 🧎‍♀️ Prayer mat 🌴 Dates 💧 Water Let’s gather, share food, and build community. Everyone is welcome — friends, family, neighbors, all faiths 🤍 See you there! 🌙✨

Whether you’re new to modern games, or a seasoned gamer, our new Boards & Barrels game night is the place to play. We’re pairing the best wines with new and classic games for an evening of analog fun and community. Choose from our growing game library or bring a favorite. *Unplug. Uncork. Unbox.* **Every Wednesday 6 pm - 9 pm**

​What if the American small farm could double as a high-tech power plant and farmers could become their own bank? Join us at PubKey DC for an exploration of a new frontier in rural land use. We’re sitting down with Mark Smith, CEO of [Carbon Country](https://www.carboncountry.us/), and Hunter Budd from the Digital Energy Council to break down a scalable model for the modern grower. 👉 [RSVP on LUMA](https://luma.com/fdvf8zd4) You’ll get an inside look at how integrating agrivoltaics (solar + grazing) with on-site Bitcoin mining creates a financial "flywheel" for regenerative agriculture. By monetizing excess energy and sequestering carbon through biochar, this model offers small farms a path toward energy independence and diversified revenue. Come find out how the intersection of Bitcoin and land stewardship is building a more resilient, decentralized grid—one pasture at a time. Read more about [Carbon Country on their website](https://www.carboncountry.us/). 👉 [RSVP on LUMA](https://luma.com/fdvf8zd4) ​**About the Bitcoin District Initiative** This event was organized by The Bitcoin District Initiative, a 501(c)(3) nonprofit working to build a grassroots Bitcoin circular economy in Washington, DC through education, business onboarding, and community outreach programs. If you’d like to get involved or support the Initiative, visit [https://bitcoindistrictinitiative.org](https://bitcoindistrictinitiative.org/).

📚 Do you love reading, but wish you had a structure and a community to share your insights with? Join our small circle of curious minds (just 4 members per gathering) as we come together for an hour of focused reading—in the calm setting of a library or the cozy atmosphere of a café. Here’s how it works: First part: Quiet reading on your own—bring a book you’re exploring, whether it’s philosophy, history, psychology, literature, or anything meaningful to you. Second part: We regroup and each person shares key takeaways, insights, or questions sparked by their reading. This sparks a structured yet free-flowing conversation around ideas, perspectives, and personal reflections. Why join? Add structure to your reading habit. Discover new books, authors, and ideas through others’ choices. Build real connections by sharing and listening deeply. Socialize around something meaningful instead of small talk.

[Profs and Pints DC](https://www.profsandpints.com/washingtondc) presents: **“The Science of Making Friends,”** with Marisa G. Franco, assistant clinical professor of psychology at the University of Maryland’s Honors College and author of the *New York Times* best-seller *Platonic: How the Science of Attachment Can Help You Make—and Keep—Friends.* Friends matter. They’ve been shown to improve mental and physical health, with one study of very happy people finding that their most defining characteristic was being socially connected. Yet friendship networks have been shrinking over the last few decades as people have coped with distraction, burnout, and chaos. It doesn’t help that we live in a society that often prizes romantic love at the expense of other relationships. How do we make and keep friends? What’s the secret to finding “your people” in an ever-more-fragmented world? Learn what science says about making friends in this interactive talk by Dr. Marisa Franco, a psychologist who has extensively researched human connection and systemic loneliness and whose book *Platonic* has been extensively lauded as a source of great practical advice. You’re never too old to make new friendships or deepen longstanding ones. Along with giving you an understanding of the scientific study of friendship, this talk will teach you practical steps you can take to build better connections with others to be happier and more fulfilled. (Advance tickets: $13.50 plus sales tax and processing fees. Doors: $17, or $15 with a student ID. Listed time is for doors. Talk starts 30 minutes later.) Image by Canva.

Want to mess with some electronics? Or perhaps contribute to HacDC's main group project? HacDC's latest event brings hardware projects to the community. We will focus primarily on the main project (Space Blimp!) but please feel free to bring some of your own projects to show off and work on!

Title : Design of a Quantum Photonic Full Adder Gate based on an 8-mode Integrated Optical Circuit Date: Feb 28 2026 Noon - 14:00 EST Abstract: Multiport interferometers designed using the Clements decomposition algorithm can be used to implement compact quantum-photonic full-adder (FA) gates on photonic integrated circuits (PICs). By expressing each element of the FA gate matrix in terms of the permanent of a non-unitary matrix, enabled through Boson sampling, the required number of MZIs in the gate can be further reduced. In this presentation, we will discuss the design of an FA gate modeled as a four-photon scattering process on an eight-mode integrated optical circuit, where the permanents of submatrices determine the output probabilities. Simulation results demonstrate a fidelity of 1 and a success probability of 2.22 × 10⁻⁴ for the FA gate. We will also examine the impact of phase-shifter and attenuator variations on fidelity and success probability using Ansys Q-Interconnect software. Finally, we will compare the performance of the proposed FA gate with a benchmark Toffoli gate designed using the same approach. Speaker: Shafiqul Hai received the B.Sc. degree in Electrical and Electronic Engineering from the Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh, in 2007, and the M.Eng. (Thesis) and Ph.D. degrees in Electrical Engineering from McGill University, Montreal, QC, Canada, in 2011 and 2016, respectively. He is currently an Assistant Professor in the Department of Electrical and Computer Engineering at Lakehead University. His research interests include the modeling and characterization of compact nanophotonic devices and components for next-generation optical fiber and RF communication systems, as well as quantum computing on photonic integrated circuits. He is the author or coauthor of more than 12 peer-reviewed journal papers and 15 conference publications. Moderators: Dr. Pawel Gora, CEO of Quantum AI Foundation ([https://www.qaif.org/](https://www.qaif.org/)) , Dr. Sebastian Zajac , member of QPoland ([https://qworld.net/qpoland/](https://qworld.net/qpoland/)) This is an online event. Zoom registration form will be emailed to registrant and posted on the event forum by Feb 28 2026 11:00 am EST.

Each week we’ll revisit the core cyberpunk classics — starting with Blade Runner (1982), then Ghost in the Shell (1995), Johnny Mnemonic (1995), Strange Days (1995), The Matrix (1999), eXistenZ (1999), and Blame! (2017).

We play a variety of games with a focus on high interaction Euros. Events will start with quick games while people arrive and eat lunch. We will start longer games between 1:30pm and 2pm. While the official end time is 5pm, people are welcome to continue playing games afterwards. Western Market closes at 7pm on Sundays. This page has more examples of high interaction Euros: [Old-school German-style Games](https://boardgamegeek.com/guild/view/3948). Here are some games that have been played at past events: High Interaction Euros * [Medici](https://boardgamegeek.com/boardgame/46/medici) * [Catan](https://boardgamegeek.com/boardgame/13/catan) * [Hansa Teutonica](https://boardgamegeek.com/boardgame/43015/hansa-teutonica) * [Puerto Rico](https://boardgamegeek.com/boardgame/3076/puerto-rico) * [Concordia](https://boardgamegeek.com/boardgame/124361/concordia) * [Power Grid](https://boardgamegeek.com/boardgame/2651/power-grid) * [Brass: Birmingham](https://boardgamegeek.com/boardgame/224517/brass-birmingham) Other high interaction games * [Innovation](https://boardgamegeek.com/boardgame/63888/innovation) * [Imperial](https://boardgamegeek.com/boardgame/24181/imperial) There are a variety of food and drink options. Western Market is allowing us to use the space for free. Please reciprocate by purchasing something, even if it is just a soda. Directions If you're taking the Orange, Silver, or Blue lines, exit at the Foggy Bottom metro station and walk two blocks to the east. If you are taking the Red Line, Farragut North is an approximately a 15 minute walk away. There is also free street parking to the north.

In an era focused on scalable efficiency, the pursuit of absolute service consistency is often seen as the ultimate goal. But what is gained and what is lost when service offerings are entirely predictable? Does aiming for uniformity stifle necessary adaptation and human connection? Join us for an intimate discussion exploring the often overlooked trade-offs of **service consistency**. We'll dive into when consistency builds “trust and reliability”, and when it becomes “a barrier to designing flexible, empathetic, and truly customer-centric experiences”. **#ServiceDesign #ServiceConsistency #ServiceManagement** **What’s a Service Design DC salon?** Our salons are an excellent opportunity to connect with fellow designers, engage in meaningful conversations, and gain fresh perspectives on the evolving landscape of our field. Space is limited to ensure an intimate atmosphere and encourage deeper conversations. Whether you have been to a past salon or will be a first timer, we’d be happy to have you join this group discussion of service design practitioners and enthusiasts in the Washington D.C. area! **Evening Agenda** * 6:00 P.M. - Doors Open / Socializing \* * 6:30 P.M. - Salon begins * 8:00 P.M. - Salon Wraps up \*We will provide light refreshments, including food and drinks, during the salon. **Note about RSVPs:** * Due to the limited number of available spots, we kindly request that you update your RSVP if you are unable to attend so others may have the opportunity to join. Thank you for your understanding. *** Many thanks to our host and sponsor, **Technical Assent!** *At Technical Assent, we believe that government can be a platform for service innovation where services can be designed to be more relevant to customers, more reliable, and delivered at a lower cost.* *Our company exists to build high-performing government service organizations — government-to-citizens (G2C), government-to-government (G2G), and shared services. Our approach is unique in that we improve service performance from the bottom-up, starting with customer experience. We use that insight to design and modify the talent, tools, and technology that deliver government services to each customer. Technical Assent is a Service-Disabled Veteran Owned Small Business appraised at CMMI-SVC Level 3.*

[More Than a Flower | National Museum of African American History and Culture](https://nmaahc.si.edu/explore/exhibitions/more-flower) [https://nmaahc.si.edu/explore/exhibitions/more-flower](https://nmaahc.si.edu/explore/exhibitions/more-flower) **More Than a Flower Exhibit \| National Museum of African American History and Culture** ***More than a Flower* shares the fresh and fragrant beauty of live orchids and connects stories, scholarship, and art to this extraordinary species.** **I have 4 tickets, and Sri has 9 tickets for 1:30 PM on Saturday, February 28th.** ***SO, there are 13 tickets, and I limited the number of attendees to 13.*** ***Feel free to go at another time that works for you. The exhibit will be there until April 26.*** Bring: Water, fully charged batteries, empty cards, and comfortable shoes Share only your very best, most interesting shots after the field trip, and keep it down to between 5 and 10 photos. By sending in an RSVP and joining this meetup event hosted by the Virginia Beltway Photography Meetup, I am also agreeing to the terms of the following release and waiver of liability, which shall be binding on my heirs, executors, administrators, successors, and assigns. In consideration of my (and my child’s) participation in the Virginia Beltway Photography Meetup, I do hereby release, discharge, and hold harmless the Organizer, its members, officers, directors, employees and the leader(s) of this event from any and all liability by reason of any damage, loss, expenses, or injury arising from my (and my child’s) participation in this event, including that caused solely or in part by the fault of any and all of the above-named parties.

Join the inaugural meeting of the Columbus Vintage Computing Club (CVCC)! Get to know others in the vintage computing space and get hands on time with a Commodore VIC-20 and various Palm Pilot PDAs! We will use this time to get to know each other, share projects we've been working on and plan the future of the CVCC. We'll be at the Hilliard Library in Meeting Room 2A at 6:00 PM - 8:00 PM

Bring your Raspberry Pi, Arduino, microcontroller, or any other electronic project and join fellow electronics makers for a night of creativity and collaboration! This session is open forum to share your current projects—whether complete or in progress, it’s all interesting! Whether you’re deep into embedded systems, exploring new ideas, or just getting started, you’ll find a welcoming space to collaborate, share, and get inspired. **New to electronics or curious about tinkering?** You’re absolutely welcome. If you’re a beginner and want to experiment, I’ll have a couple of starter kits available so you can try things out—whether that’s blinking your first LED, putting something on a display, or experimenting with simple sensors. No pressure and no experience required—just an interest in learning and building. While we continue to pursue a more permanent venue for this Meetup, we’ll be using public library facilities based on availability. This session will be at the Worthington Park Library in the Olentangy Meeting Room.

Come out to Improving for our monthly iOS and Mac meetings. This Month's Presentation: Nothing yet. (You should volunteer). What is Cocoaheads (http://cocoaheads.org/)? CocoaHeads is a group devoted to discussion of Apple Computer's Cocoa Framework for programming on MacOS X and iOS (including the iPhone, iPad and Apple Watch). During monthly meetings, members present on their projects and offer tutorials on various programming topics. What is BuckeyeCocoa (http://buckeyecocoa.org/)? BuckeyeCocoa is a group of Objective-C/Swift developers/enthusiasts. We host monthly Cocoaheads and near-weekly NSCoder meetings in Columbus, Ohio. The meetings are free to attend. Presentations! Presenters welcome! We are always in need of people willing to present material. Any Swift and/or Objective-C related topic is welcome. Times can be 5 minutes (i.e. lightning talks) to a maximum of 2 hours. Interested? Contact info is on the BuckeyeCocoa website. To volunteer for a presentation contact us at @BuckeyeCocoa on Twitter. Follow us on Twitter! @BuckeyeCocoa (https://twitter.com/#!/Buckeyecocoa/) For more information: http://buckeyecocoa.org/

The Forge does have a full bar and kitchen. There is no cover charge but they do request all attendees to purchase a minimum of ~$20 per person. Soft drink refills are $1 each. Please support our hosts so we can continue to provide great events for the group! The Forge has a large library of games available for us to enjoy. Hosts and regulars will also provide numerous popular games but please bring any games you would like to teach and/or play. Doors open at 6, and we expect gaming to be rolling by around 630. Please promptly end your games and clear out the space at 10pm when the bar closes. We encourage socializing but do not permit disruptive behavior of any kind. Thank you for your continued commitment to providing a fun and welcoming space to veteran, newbie, and rookie gamers in the Columbus area. Parking can be challenging. There is a parking lot behind the neighboring Mexican restaurant that is free and easy to walk from but it's a bit hidden.

We will show a variety of methods for building agents that run in Microsoft Foundry. This covers the different types of agents: Prompt, Multi, and Hosted, as well as the development lifecycle using evals and traces.