Engineers

Welcome to our new home at the historic Tivoli Theater! Please check our details for access to the space on [our website](https://www.hacdc.org/visit/). Join the discord for questions / help getting in (use channel #let-me-in) [https://discord.gg/dNjuNhNmeT](https://discord.gg/dNjuNhNmeT)

What3words: https://w3w.co/stick.juices.rings [https://what3words.com/stick.juices.rings](https://what3words.com/stick.juices.rings) Share only your very best, most interesting shots after the field trip, and keep it down to between 5 and 10 photos. [http://www.fairfaxcounty.gov/parks/huntley-meadows-park/](http://www.fairfaxcounty.gov/parks/huntley-meadows-park/) From the parking lot near the visitor center off Lockheed Blvd, there is Cedar Trail which is about a 15-minute hike to the Heron Trail boardwalk. The Cedar Trail goes through a great forest that has some wildlife like deer and many birds, The Boardwalk is where the majority of the wildlife is located. The Group has seen deer, foxes, beaver, snakes, frogs, green tree frogs, huge snapping turtles, and many types of birds including Bald Eagles, Osprey, Marlins, Great Blue Herons, Great Egrets, King Fishers in the marshy wetlands. The boardwalk can become crowded before sunrise. The crowd, notwithstanding, the early arrivals have been rewarded with sightings of foxes and Bald Eagles. There is a point on the boardwalk that splits. The left side features sightings of shorebirds snapping turtles and beavers. The right side leads to one of the smaller overlooks and has several benches along the way. In the wintertime, the Group gets to photograph many migrating ducks, such as Green-winged teals, Northern Shovelers, and Northern Pintails! In the springtime, the park provides bird boxes for the Wood Ducks and Mergansers to lay and protect their eggs until their offspring fledge and leave the nest. The Group then continues around the boardwalk to the right towards the forest where Great Blue Herons and Red-winged Blackbirds are photographed. Next, the Group approaches a two-story overlook complete with benches for the Group to rest and survey the park. Following a brief respite, the Group continues to Marker 8, the end of the boardwalk. At this point, the forest reappears. And on that edge of the wetlands, there are Red-Headed Woodpeckers. This is one of the few places in the Washington, DC area where they live. After a couple of hours on the wetlands, the Group retraces the route by continuing on the boardwalk to the right towards Cedar Trail, past the visitor center onto the parking lot. There is a small pond behind and to the south of the visitors center that frequently has small frogs. While they are a true find to photograph, mosquitoes have been known to swarm at the pond! The north side of the visitor center features bird feeders that attract hummingbirds and other small birds. At the end of this field trip, the Group typically has breakfast at IHOP, 7694 Richmond Highway, Alexandria, VA. 22306. 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.

Do you find yourself showing up in meditation sessions wondering why your mind won’t settle down?Are you trying to figure out why your body seems to become so uncomfortable in meditation sessions? Join Marsha, non-conventional meditator, certified yoga therapist, trauma sensitive yoga facilitator, and energy and sound healing facilitator, as we show up and unpack ways of meditating that uniquely resonate with you. Whether you find comfort in standing, sitting in a chair or on a yoga mat, or lying on the floor, eyes open or closed, you are welcome to show up just as you are, as we seek peace through movement and compassionate sharing experiences, while embodying the physical, intellectual, emotional, and spiritual benefits of meditation, energy + sound healing, and yoga therapy. **Please reserve your spot at www.piesfitnessyoga.com**. The session is offered both InStudio and OnLine. The Zoom link for the OnLine session will be emailed 15 minutes before class starts to those who are registered at www.piesfitnessyoga.com. **Sign up for sessions must be made at least 2 hours prior to class.** The address is 1322 Prince St Alexandria, VA 22314 Our entrance is located on the side of the building, parallel to West St. **Street parking is available and additional parking is located at Shiloh Baptist church, spaces 36,37,38,39.** The church is located across the street from the studio, on the corner of Duke St. and West St. Discount is available to seniors, teachers, students, emergency responders, and military. All can save by purchasing class packs.

Class: Developing Your Intuitive/Energy Skills Contents: Clearings, empath work, meditation, learning and enhancing energy work skills for working on self and others For further information, please contact Madhu 301-760-7491, info@stress-reliefcenter.com

*You must read the following NVHC Sign-in Sheet Statement/Liability Disclaimer, [https://nvhc.com/signin.pdf](https://nvhc.com/signin.pdf) and then answer the question that you will see when you RSVP with "I accept" to be permitted on the hike.* 6.8 miles with 127 feet elevation gain. **Let's celebrate Memorial Day weekend by hiking to see some of the wonderful monuments and memorials on and around the National Mall.** The National Mall in DC is full of many beautiful monuments and memorials. One could spend many days exploring them all. On this trek, we will focus on the National Mall and Tidal Basin area The pace will be about 2.0-2.5 mph to allow time to enjoy the sights, take photos, and reflect on our national history as we honor the fallen. We are meeting at the Smithsonian Castle Haupt Garden. I'll be in the back (south side) of the Castle at the Haupt Garden sitting on a bench enjoying the view, so find me thereabouts. This area faces Independence Ave. Our trek will take us to a number of locations including NMAI Native American Veterans Memorial, Eisenhower Memorial, Ulysses Grant Memorial, Peace Memorial, National Gallery of Art Sculpture Garden, Washington Monument, WWII Memorial, Constitution Gardens, Vietnam Memorial, Lincoln Memorial, Korean War Memorial, Martin Luther King Jr. Memorial, Franklin Roosevelt Memorial, Thomas Jefferson Memorial. **Best way to get to the Smithsonian Castle:** ***Metro: Best option -The Smithsonian Castle is very close to the Smithsonian Metro Station*** (see [https://goo.gl/maps/aT5Y6Wwte7P2](https://goo.gl/maps/aT5Y6Wwte7P2)), ***be sure to exit to the National Mall side.*** Alternatively you can go to the L'Enfant Metro. Another option is the National Archives metro which is a fairly short walk to the Castle. If you would really rather drive, there is metered street parking available both on Jefferson Dr. (on the front side of the castle) or the Haupt Garden side at 1050 Independence Ave SW, Washington, DC 20560. Please note that parking can be difficult to find on a nice weekend holiday. There are several public restrooms along our route. Bring some hydration and snacks as you desire. The route is basically level. Most of the hike will be on paved surfaces so wear comfortable walking shoes. Dogs are permitted on this hike in accordance with the NVHC Dog Policy. [https://tinyurl.com/nvhcdogpolicy](https://tinyurl.com/nvhcdogpolicy) NOTE: There may be some restrictions regarding dog access such as inside the Lincoln & Jefferson Memorials, so please check in advance of bringing your dog. They are certainly welcome outside. Meet at the Castle 15 minutes early to allow everyone to be signed in and get ready to hike at 10:00am. We will plan on an optional rehydration after the hike for those interested. Any questions, please message me here or text/call @202-528-0456. If you text me, please include your name.

Join PSW Science® on May 29 at 8 PM as we welcome Michael Garrett (U. of Manchester) & Adam Thompson (NVIDIA). During the question and answer period, in-person attendees and live stream viewers may ask the speaker questions, and in-person attendees may also engage with the speaker during the post-lecture reception. Refreshments are served. For more information on this meeting, please visit: https://pswscience.org/meeting/2536 The meeting will be held in the John Wesley Powell Auditorium, adjacent to the Cosmos Club. The Powell Auditorium is located at 2170 Florida Avenue, NW Washington, DC 20008. Use of the Cosmos Club is restricted to the Powell Auditorium, the entryway to the auditorium, and the restrooms immediately outside the auditorium. Please note there is no onsite parking available. PSW Science, founded in 1871, is one of the oldest scientific societies in Washington D.C. Now, over 150 years later, we celebrate the Society's rich history and contributions to scientific discovery and cross-disciplinary collaboration. For information on how to become a member of PSW Science and membership benefits, please visit https://pswscience.org/join/

If you're ready to grow your business through meaningful relationships and high-quality referrals, this event series is for you! We're a community of local small business professionals committed to building prosperity through authentic connection and collaboration. Join us for **genuine, no-pressure networking**—no fees, no pitches, no nonsense. Just good people, good conversations, and a few refreshments to keep things relaxed. Stay for a few minutes or the whole time—whatever works for you. **This event is completely free to attend**, but we kindly ask that you RSVP so we can plan accordingly. We can’t wait to connect with you!

**REGISTER AT THE LUMA EVENT PAGE!!!** https://luma.com/27ja5gwl Join us for an exciting talk by Mary Gibbs, Senior Applied Scientist at Relativity. ​ ​**​Agenda:** ​​6:00 - 6:30 PM - Welcome and mingle 6:30- 6:45 PM - Introductions 6:45 - 7:30 PM - Talk 7:30 - 8:00 PM - Wrap up **​​Description:** ​If you have ever shipped a model, watched your metrics improve, and later learned from your users that something was wrong, the metrics were always wrong. You just didn’t know it yet. An evaluation consists of three components, a benchmark, a scorer, and a claim about what a score represents. Each component has its own weaknesses. Benchmarks can suffer from narrow coverage, contamination, or saturation. Scorers are often chosen for ease of automation or computation rather than for their alignment with user outcomes. And the claim connecting a score to reality is rarely made explicit. These gaps compound across the model development lifecycle. When metrics improve, teams treat that as a signal and optimize directly against it, which is how a measurement problem becomes a model problem. This talk maps where evaluations can go wrong, considers counterarguments, and ends with practical advice for building better ones. **​Speaker Bio:** ​Mary is a Senior Applied Scientist at Relativity, tackling data science challenges in the e-discovery and legal tech space. She is also an organizer for Women and Gender eXpansive Coders DC (formerly Women Who Code DC), fostering a community dedicated to empowering women and nonbinary individuals to excel in their careers. Mary's experience spans various domains. She has developed data science solutions related to job search and career progression at Teal, cybersecurity challenges at LiveAction Software, and commercial and government consulting at Mosaic Data Science. Before venturing into the field of data science, Mary conducted and published research pertaining to the cellular and molecular mechanisms underlying neurodevelopment at the National Institutes of Health. In other words, she has dissected and imaged a lot of fruit fly brains. She holds a M.S. in Data Science from The George Washington University and a B.A. in Biological Sciences from Cornell University

**LOCATION CHANGE as of APRIL 1, 2026:** **Body Grace has moved to 133 Maple Avenue East, 3rd Floor, above the Bear Branch Tavern.** Whether you're new to Insight meditation or an advanced practitioner looking for like-minded people to sit with, you're welcome to join us at our Sunday morning drop-in group, sponsored by the Insight Meditation Community of Washington. Insight meditation cultivates our natural wisdom and compassion. Meditation practice develops concentration, which allows us to calm and steady the mind. This class includes a 30-minute lightly-guided meditation, followed by a short talk and time for questions and discussion. The size of the group usually runs somewhere between 25-40 people in-person and between 12-25 online. Chairs are provided, or you may bring a sitting cushion or bench. You may also use the blankets and bolsters offered by the yoga studio. **We offer both in-person and online attendance.** To learn more about our topics and teachers, view our videos or **get the Zoom link**, visit our [class page](https://imcw.org/event/?eventId=735&utm_source=MeetUp&utm_medium=referral&utm_campaign=vienna-drop-in).

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!

💃 Beginner-Friendly Dance Fitness Get ready to move, sweat, and have fun! This high-energy class blends Brazilian Carnival vibes with global street dance for a full-body workout that doesn’t feel like one. ✨ No experience needed ✨ No partner required ✨ Just come ready to move and enjoy the music Expect a fun, welcoming environment where you can let go, build confidence, and leave feeling amazing. 📍 Location: Salsa With Silvia (Bethesda) – Studio B ⏰ Please arrive 5–10 minutes early 💵 Drop-in: $12 (pay at the door or message for details) 🔗 More info + schedule: https://fitnesswithmikissz.com/connect-with-miki Let’s sweat, dance, and make it a vibe 🔥

[Profs and Pints Northern Virginia](https://www.profsandpints.com/washingtondc) presents: **“Artemis II and Beyond,”** on how the recent space mission fits into long-term plans for the Moon, with Michael J. Neufeld, retired senior curator for the Space History Department of the Smithsonian’s National Air and Space Museum. [Advance tickets: $13.50 plus sales tax and processing fees. Available at [https://events.ticketleap.com/tickets/profsandpints/northern-virginia-artemis-ii-beyond](https://events.ticketleap.com/tickets/profsandpints/northern-virginia-artemis-ii-beyond) .] NASA’s recent, spectacular Artemis II mission is a sign that the United States is serious about sending humans to the Moon again. Gain an understanding of how Artemis II fits in both past and planned lunar missions with historian Michael Neufeld, who was lead curator of the Smithsonian’s Destination Moon exhibit. He has taught at Johns Hopkins, Colgate, and other universities, and is the author or editor of nine books dealing with the history of technology. He’ll start by looking at the aftermath of the Apollo program of a half century ago and why it ended only four years after its first lunar mission. He’ll consider why no lasting lunar programs emerged from major announcements by two presidents, George H.W. Bush and George W. Bush, that astronauts would be going back to the Moon and on to Mars. His vividly illustrated lecture will then explore how Artemis is a product of a human spaceflight program that has changed dramatically over the past 50 years. We’ll look at how collaboration with Europe, Canada and Japan became integral to the shuttle and International Space Station programs, and how the rise of new commercial space companies such as SpaceX has enabled NASA to buy both space services and space craft. Both international and commercial partners are involved in the latest Moon efforts, with SpaceX and Blue Origin expected to supply the landers to take astronauts down to a planned base on the Moon’s South Pole. How soon will any of this happen? Probably not as quickly as NASA says, but the specter of a Chinese landing on the Moon by 2030 is one obvious reason to keep things moving along. We’ll look at the sustainability of the Artemis space program for at least the next decade or so. You’ll emerge from the talk with no doubt that exciting days are ahead for space fans. (Doors: $17, or $15 with a student ID. Listed time is for doors. The talk starts 30 minutes later.) Image: The Artemis II mission launch (NASA photo).

Most people use AI like a search box: they type one sentence, hope for the best, and get frustrated when the answer is generic, wrong, or useless. But getting better results from tools like ChatGPT, Claude, Gemini, and other AI systems is not about memorizing magic prompts. It is about learning how to give the AI better context. In this beginner-friendly session, we’ll break down how to make AI dramatically more useful by improving the way you communicate with it. You’ll learn how to give clearer instructions, provide examples, set constraints, ask for better output formats, and use follow-up questions to turn a mediocre answer into a genuinely useful one. We’ll cover practical techniques you can use immediately for work, learning, writing, coding, planning, research, and everyday problem solving. We’ll also touch on why these same ideas show up in more advanced AI systems, including RAG, agents, evaluations, and AI workflows. No technical background required. Bring your curiosity, your questions, and maybe one real task you wish AI was better at helping you with. **What you’ll learn:** * Why “better prompting” is really about better context * How to structure requests so AI gives more useful answers * How to use examples, constraints, and output formats * How to iterate when the first answer is not good enough * How these skills connect to more advanced AI workflows This meetup is for anyone who wants to move beyond basic ChatGPT usage and start getting more practical value out of AI. LOGISTICS AND PARKING: The talk starts at 7:00 PM. The first half hour is reserved for everyone to get set up and mingle. Free pizza and drinks! The cheapest parking option is to find street parking, which will only cost you a few bucks. Otherwise, park in the nearby veteran's museum lot for $8. It's highly recommended you avoid the nearby $15 garage parking.

**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

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\.

We meet to learn and practice American Sign Language and to grow our familiarity with Deaf culture. Facilitated by hearing folks (with a connection to a professional interpreter) using Deaf-created content. People of all ASL skill levels are welcome! As we learn, we hope to connect more with the Deaf community in Central Ohio. Join us as you're able! Come regularly or just once - whatever you're looking for! Each meetup will explore different topics related to ASL/Deaf culture, and will feature time to practice conversation with one another. Just bring yourself and a willingness to learn!

Christians in Tech is a community at the intersection of faith and technology. Our meetups are designed to spark meaningful conversations, promote knowledge sharing, and encourage growth—both in your career and your spiritual walk with God. Whether you're an experienced professional or just starting your tech journey, CIT welcomes you. Our Website [https://linktr.ee/citcbus](https://linktr.ee/citcbus) Sponsors and Partners * Improving (Venue Sponsor) * Bethel World Prayer Center (Fiscal Sponsor) * Fruits & Roots (Coffee Partner)

Answer Engine Optimization (AEO) has been on the mind of many developers since most of the search engines implemented AIs. The landscape of the internet is shifting beneath our feet. In 2026, users are increasingly bypassing traditional search results in favor of direct, conversational answers from platforms like ChatGPT, Gemini, and Perplexity. If your WordPress site is optimized only for "blue links," you’re missing out on a massive wave of traffic. This meetup will dive into Answer Engine Optimization (AEO), the strategic evolution of SEO. We’ll discuss why visibility in AI-generated summaries is becoming the new "Page 1" and how the "organic click" is being replaced by "brand citations" within AI responses. We can check on what solutions already exist, what can you do yourself by optimizing your Robot.txt. But, also does all this work worth it? I hope to see everyone for the discussion on June 3rd! P.S. We will not meet on May 6th. My friends having a wedding and i am surprisingly much more involved in it. But it gives us all more time to play with AEO!

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