Open Source

Healthcare organizations are increasingly using cloud-based real-world evidence (RWE) platforms to power clinical research, population health analytics, and AI-driven insights. However, building these systems on AWS introduces complex governance challenges around privacy, compliance, and multi-institution collaboration. This session explores how to architect data governance into healthcare analytics platforms on AWS, focusing on practical design patterns rather than policy theory. We examine how ethical data stewardship principles such as consent, accountability, and responsible data use, can be implemented using cloud-native controls and services. The presentation walks through key architectural considerations for secure RWE platforms on AWS, including role-based access control, auditability, data minimization, and encryption, and how these capabilities support compliance requirements such as HIPAA and GDPR. Attendees will learn how federated, multi-account AWS architectures enable collaboration across institutions while preserving local data ownership and control. We will also discuss privacy-preserving analytics patterns on AWS, including approaches that support federated learning, differential privacy, and secure computation to enable AI-driven insights without exposing raw patient data. Practical implementation trade-offs such as performance, scalability, and operational complexity will be highlighted using real-world platform scenarios. Attendees will leave with actionable AWS architecture patterns and governance strategies for building secure, compliant, and scalable real-world evidence platforms that unlock innovation while maintaining patient trust.

GM Jason will run an Ultraviolet Grasslands session. Stay with me, here: what would happen if we mashed up Oregon Trail with Dying Earth with Mad Max? Well, UVG answers that question (that nobody ever asked) with this heavy metal psychedelic fantascience pointcrawl game. Please the horned catlords by hitching your lime green fox-ocerous pony to your wagon and heading west to see if you can’t trade all this vampire wine for some profit! None of those words will make any more sense to you after playing, probably, but we’ll have an amazing time exploring! This will be way more about the joy of exploration, the tedium of travel, and the thrill of commerce than it will be about battle. If that sounds refreshing, come try something new with us! This might be the first session in a mini-campaign, so we will start with rolling up new characters! New players welcome! No prep needed! **Where**: Your Hobby Place in Old Town Alexandria Looking for a place to play in-person RPGs and make new friends? Burnt out on internet D&D? Interested in trying games like Shadowdark and Dungeon Crawl Classics? Look no further than DMV RPG - Open Table! Whether you're a seasoned player or just getting started with tabletop role-playing, our group offers a welcoming, inclusive, and safe environment for all gamers to gather and embark on epic adventures together. From Dungeons & Dragons to sci-fi sagas, there's something for everyone here. Join us for regularly scheduled meetups, make new friends, and unleash your imagination in a fun and collaborative setting. Let the games begin! **Rules**: always teachable at the table **Gaming is for everybody**: Welcoming, inclusive, and safe **Pregens**: the GM will have pre-made characters so you can jump right in **Game**: Old School & New School, but likely lightweight **Multiple GMs**: We run games in a rotating GM format, so come to play and make friends, but we'll be looking for your interesting one-to-three shots to try.

​Join Data Visualization DC for a meetup to learn about generative UI with Prefect's Jeremiah Lowin! Doors 5:30 Presentation starts 6:15 Please RSVP on luma ([https://luma.com/b4qfsjpl](https://luma.com/b4qfsjpl)) for building security. #=#=#=#=#=#=#=# Got Data Viz? Sign up for a viz and tell and share your work for a few minutes. All are welcome! [https://forms.gle/9a3ssbVbwQFjpWdY8](https://forms.gle/9a3ssbVbwQFjpWdY8) Data Viz DC is a member of Data Community DC, a nonprofit dedicated to data education in the nation's capital. Learn more at [www.dc2.org](http://www.dc2.org/)

Today we are Steve's Lab. RSVP and you'll be sent the location. It's in Silver Spring. ***Join us for an evening in an electronics lab where we will attempt to run clean scans of graphene and gold samples, and then clean up that data with post processing.*** This is a high sensitivity experiment, and we do not plan on being successful so early. But we've had promising results lately - so we will be putting in the time. We are NOT meeting at our usual location, but rather at Steve's house/lab. If you RSVP, you will get a DM with the address but it's located in Silver Spring. We will attempt full, clean lab - clean tip repeated scanning tests to see what we can learn and improve. We will experiment with online attendees, but if all possible showing up in person is strongly encouraged. Online join link is: - [https://meet.jit.si/mocomakers](https://meet.jit.si/mocomakers) Our community is building (and documenting for other teams) how to build a scanning tunneling microscope using a mix of common and 3D printed parts. This will allow us to scan and visualize a single atom - an ambitious we are doing over the course of a few months. The MoCo Makers community is one of the most innovative and competent groups in Maryland, and we've done everything from [publishing cancer research](https://pubmed.ncbi.nlm.nih.gov/38136356/), to [launching products](https://www.kickstarter.com/projects/gotim/cozy-curvy-multi-contour-pillow), [winning grants](https://covidinfocommons.datascience.columbia.edu/awards/2014255), and inspiring thousands. Now our biggest challenge yet has appeared. We are building a Scanning Tunneling Microscope, that will allow us to scan and visualize single atoms. To get a better idea of what we are doing, see our reference project here: [https://www.youtube.com/watch?v=7N3OqTEq08g](https://www.youtube.com/watch?v=7N3OqTEq08g) All starting CAD, code, and reference files should exist. However, let's be the first Maker community to document the build process and share it with learners around the world. We will be publishing our work here -[ https://hackaday.io/project/202816-qt-panda](https://hackaday.io/project/202816-qt-panda) If you need a ride, let us know.

Come volunteer with us refurbishing donated bicycles so that they can be used again by the community! This event is open to new volunteers and existing volunteers. No mechanical experience is necessary. Note: The warehouse location is in the alley behind 1502 Mt Vernon Ave. Enter through the gray door next to a roll-down garage door. If you drive to the location, be sure to park in the street, not in the alleys or parking lots surrounding the warehouse. And wear clothes you don't mind getting dirty with bicycle grease! Volunteers under 18 need a parent or guardian to accompany them to their first volunteer experience and sign a liability waiver. Volunteers under 16 need a parent or guardian to accompany them at all times while volunteering with Vélocity.

**Begin your bikablo journey!** In this very full training day, you will learn and practice how to do all of the following and walk out the door with skills you can use at work (or play) the very next day! * Learn to hold the pen, draw clean lines, and structure your space on the flip chart * Create graphics and text containers/geometric shapes, objects and symbols * Discover the easy ways the bikablo® method provides to draw people, roles, groups, and situations * Use simple and fast options to color elements and spaces to support the graphic structure * Improve your handwriting—make it more legible and attractive—on flip charts… and more! **Location:** **IN PERSON** at Brian's Lizard Brain Studio in Herndon, Virginia. Exact address to be shared with registered participants. **Cost:** $600, payable to Jill Greenbaum. Go to Jill's calendar [here](www.jillgreenbaum.com/calendar), to choose and register for this course. **You MUST register with Jill to attend!**

MoCo Code and Coffee is an inclusive, informal, co-working session. We're community-led and community-run by devs, for devs. People of all skill levels are invited. Especially new devs! Bring a laptop, ideas, and we'll provide the coffee and snacks. **Here's how it works** At 2:30pm, everyone introduces themselves and briefly mention what brought them to Code & Coffee today (project, homework, networking, etc.) Round 1: 1. Your name 2. What you're working on 3. What you can help others with Round 2: * Job opportunities you're hiring for OR announce that you are looking for one. If none, that's cool. Round 3: * Community events you wanna plug. If none, that's cool too. **After the introduction circle, everything is self-organized!** 1. For the rest of the day, folks work on their projects, providing one another with help, and/or socialize. It's fully up to you. **Location** We will be at the cafeteria of the County Executive Office Building in Rockville. 101 Monroe Street, Rockville, MD 20850 The event will be held in a spacious cafeteria with plenty of tables and chairs. Light refreshments (coffee and tea) and snacks will be provided. **Parking** * Visitor Parking is available at the First Level of the Council Office Building Parking Garage. Entrance only from East Jefferson and Monroe Street intersection. More information is here: https://www.montgomerycountymd.gov/mcg/direction-to-eob.html * PLEASE NOTE: The garage referenced above is ACROSS THE STREET from the Executive Office Building. This is NOT the garage at the base of the Executive Office Building structure - that one is for employee and permit parking only. * If that garage is not available, there may be street parking available. The Rockville Town Square garages have up to 90 minutes of free parking are not too far away. Parking at the Rockville Metro station would be free on weekends. **Public transit** * Located near near the **Rockville** metro station (Red Line).

**\*TO ATTEND GET TICKET At** [https://www.socialevents123.com/event-details.aspx?id=13397#tix](https://www.socialevents123.com/event-details.aspx?id=13397#tix) (Multiple Meetup groups are co-organizing so the RSVP's shown are just a very small portion attending. We'll have at least 20 registered.) Our last online Bingo Night Party was such a BIG hit, we're doing it again! Do you like to play BINGO or want to just do something different?! Then you will LOVE this event! Here is your opportunity to have some fun playing our Live "Bingo" game. You will also get to socialize and make other friends from the comfort of your home. Prizes included Amazon gift cards, free future events and more! This completely online event will be LIVE and you will be able to see and hear the other participants while playing. You will either need to print or draw out your bingo cards. We will email you with how to get it after registering. You can have more than 1 person on your team as long as they're from your house and use same device. Friends/family around the country can also play. They would just need to also register for a ticket. This event will be held on Zoom which you would access through your computer/webcam, or via your phone/tablet. On day of the event, you will get a secured Zoom link and link to print out Bingo cards. \*RSVPS ON HERE ARE NOT REFLECTIVE OF ACTUAL ATTENDANCE as this is a multi group event. Cost: $15-$20 depending on how early you register. **\*TO ATTEND GET TICKET AT -** [https://www.socialevents123.com/event-details.aspx?id=13397#tix](https://www.socialevents123.com/event-details.aspx?id=13397#tix)

**Hopeful Cafe Conversations @Panera Kentlands** * **You are cordially invited to join in the conversation to catch the positive vibe... a cup of coffee, or another of your favorite refreshment.** **At NEW HOPE CAFE CONVERSATIONS 8:30am-9:30am (3rd Saturdays, Monthly)** **Address: Panera, 285 Kentlands Blvd., Gaithersburg, MD 20878** **Zoom Link: https://us06web.zoom.us/j/83326239362** ===== **New Hope Workshop**: What is Negativity Bias? How do we get ahead of it to reach more positive outcomes in work, life, and relationships? Discover the difference between goals and outcomes. 1\. How do we reaffirm ones role\, despite negativity bias from others? 2\. The New Hope Community Affirmative Statements of Foundational Principles \- What are some helpful affirmations? 3\. Your Perspectives in Conversation **"Star Points Meal Deal"** If you have New Hope "Star Points 💫" you can get a discount on a meal. Also you can earn Star Points, if this is your first time attending Cafe Conversations, in-person. Ask Gene, newhope321community@yahoo.com, 240-848-0808.

Purpose of This Group This is a weekly gathering for spiritually awakened individuals, starseeds, and those on a journey of self-discovery who are seeking meaningful connection and community. We meet Saturday to share experiences, explore spiritual topics, and support each other in a grounded, open-minded, and respectful space. Whether you’re newly awakening or have been on this path for years, you are welcome here. COMMUNITY GUIDELINES: We welcome all members to engage with respect and kindness. Hate speech, bullying, or discrimination based on race, religion, gender, sexual orientation, or any identity will not be tolerated. Sexual harassment, inappropriate comments, or sharing explicit content is strictly prohibited. Please respect privacy, communicate constructively, and report any violations to moderators. Any breach of these guidelines may result in warnings or removal from the community. Some discussion topics: 1. What do you feel is your unique spiritual purpose? • How do your everyday actions reflect this purpose? • Are there experiences or challenges that have guided you toward it? • What would fully living this purpose look like in your life today? 1. How has your past trauma shaped your spiritual journey? • Are there patterns from your childhood or family dynamics that still influence you? • How do you feel these experiences have awakened certain spiritual sensitivities? • What steps could help transform past pain into spiritual growth? 1. How do dysfunctional family dynamics impact your spiritual gifts? • Are there ways family expectations or criticism have blocked your inner gifts? • How can you set boundaries while still honoring family ties? • What lessons from your family history have strengthened your spiritual resilience? 1. How do you nurture your inner child through your spiritual awakening? • Are there unresolved wounds from childhood that need your attention? • How does reconnecting with your inner child influence your heart chakra? • What practices help you feel safe, loved, and whole in your inner self? 1. How is your heart chakra awakening influencing your life? • Do you feel more compassion and empathy than before? • Are there fears or past pain that prevent your heart from fully opening? • How can you consciously strengthen and balance your heart energy? 1. How do you experience the 4th dimension in your spiritual awareness? • Do you sense energies, synchronicities, or visions beyond the physical? • How does this awareness shift your perception of reality or relationships? • What practices help you navigate 4D experiences safely and grounded? 1. How can past traumas become a catalyst for spiritual service? • Are there personal experiences you can transform into wisdom for others? • How do your spiritual gifts support healing in your community or family? • If resources were unlimited, what healing work would you create? 1. How do you integrate spiritual awakening with shadow work? • Are there parts of yourself—anger, fear, or grief—that need attention? • How does exploring these shadows affect your heart and higher dimensions? • What rituals or practices help you reconcile inner darkness with your light? 1. How do you envision your multi-dimensional spiritual growth? • How do past life patterns, inner child work, or trauma shape your 4D self? • Are there limiting beliefs or blocks preventing your full awakening? • How can you actively cultivate alignment with higher consciousness and love? 1. How do you currently nurture your spiritual growth? • Are there practices or rituals that strengthen your connection? • What obstacles prevent you from deepening your spiritual growth? • How would your life change if you committed fully to these practices? 1. How do you handle spiritual challenges or doubts? • Are doubts a source of growth or frustration for you? • How do you differentiate between fear and true guidance? • What strategies help you realign with your spiritual path during tough times? 1. How do your relationships reflect your spiritual journey? • Are there people who inspire or block your spiritual growth? • How do you maintain healthy boundaries while supporting others? • In what ways could your spiritual gifts positively influence your community? 1. What is your vision for spiritual impact in the world? • If resources were unlimited, what service would you offer? • How does this vision align with your current life and actions? • What steps can you take now to start manifesting this vision? 1. How do you integrate your spiritual insights into daily life? • Are your decisions guided more by intuition or external expectations? • How do you recognize when you’re out of alignment with your higher self? • What small daily habits could deepen your connection to your spiritual path? 1. How do you perceive your spiritual evolution over time? • Can you identify key moments that shaped your spiritual awakening? • Are there lessons from past experiences you still need to fully integrate? • How do you envision your spiritual growth unfolding in the next 5–10 years? 1. What is your experience with Kundalini awakening? • How did you first notice the energy rising, and what physical, emotional, or spiritual sensations have accompanied it? • Have past traumas, inner child wounds, or karmic patterns influenced how your Kundalini energy flows? • How are you integrating this awakening into your daily life while balancing your chakras and higher-dimensional awareness? 1. How do you cope with feeling alone or misunderstood? • Are there moments when isolation felt necessary for your growth? • How do you maintain connection with like-minded people or community? • What practices help you feel grounded and supported when alone? 1. How do you distinguish between your intuition and fear-based thoughts? • Are there specific sensations or signs that guide you? • How have past experiences shaped your fear patterns? • What tools or rituals help you strengthen trust in your intuition? 1. How do you protect your energy while staying open and compassionate? • Are there situations or people that drain or destabilize your energy? • What boundaries or practices help you maintain balance? • How do you remain receptive to others without overextending yourself? 1. How do you discern spiritual guidance from mental over-analysis? • Are there synchronicities or patterns that feel like guidance? • How do you manage self-doubt or overthinking loops? • What practices help you stay present and attuned to subtle signs?

Join your HacDC Squad for a fun gaming session. Plan for 5/16/2026: Clone Hero (Guitar Hero clone) Deep Rock Galactic (on sale for $9 right now) L4D2 ($10) Last Train Outta' Wormtown (Free to join a lobby) Straftat (Free) Halo Infinite (Free) Suggested donation $10, NOTAFLOF Our Discord link is [https://discord.gg/YTeBg2fEgX](https://discord.gg/YTeBg2fEgX) Send a message to the #let-me-in channel upon arriving under the Gala theater marquee.

We are going to talk about the books we read—any books, from any genre. Whether it’s fiction or nonfiction, classic literature or something modern, everyone is welcome to share their thoughts, impressions, and favorite passages. It’s a relaxed and friendly conversation where we can discover new ideas and enjoy each other’s perspectives.

Join us for brunch and Freethinker discussion! We will meet at Caboose Commons at 11am (in the upstairs area of the building) to munch and chat. We'll organize into a handful of separate tables with 6-8 people at each table. Each person will write down ideas, drop 'em in a hat, and each group will pick 'em out at random to determine our topic(s). We'd love to mix the "louder" and "quieter" voices so that everyone has a chance to weigh in—we want to hear all perspectives! :) We're a very friendly bunch, and welcome participation from newbies and old-bies alike! Come with your best ideas—anything goes. Feel free to post interesting articles, videos or thoughts in the comments section beforehand to inspire our discussion. PLEASE NOTE: We have placed a cap on the event, so if your plans change, please adjust your RSVP, so someone on the Wait List can attend.

Columbus Code & Coffee is an inclusive, informal co-working session. People of all skill levels attend, and we love it that way. Many people (optionally) bring projects to work on, and many other people (optionally) socialize the entire time. It's entirely up to you! **What to Expect at the Intro Circle** \~\~\~\~\~\~\~\~\~\~\~\~\~ Near the beginning of the event (1:30 pm), we do a standup: * Organizer announcements, updates, and logistics Round 1 - (7 secs max): * Your name * What you're working on * What you can help others with Round 2: * Community events you wanna plug. If none, that's cool too. Round 3: * Job opportunities you're hiring for OR announce that you are looking for one. If none, that's cool. After the introduction circle, everything is self-organized! Feel free to work alone, pair up, attend one of our workshops/presentations, or mingle!

Columbus Code & Coffee is an inclusive, informal co-working session. People of all skill levels attend, and we love it that way. Many people (optionally) bring projects to work on, and many other people (optionally) socialize the entire time. It's entirely up to you! **What to Expect at the Intro Circle** \~\~\~\~\~\~\~\~\~\~\~\~\~ Near the beginning of the event (1:30 pm), we do a standup: * Organizer announcements, updates, and logistics Round 1 - (7 secs max): * Your name * What you're working on * What you can help others with Round 2: * Community events you wanna plug. If none, that's cool too. Round 3: * Job opportunities you're hiring for OR announce that you are looking for one. If none, that's cool. After the introduction circle, everything is self-organized! Feel free to work alone, pair up, attend one of our workshops/presentations, or mingle!

Main Library, Meeting Room 2B Join us for a welcoming evening of reflection, gentle music, and meaningful conversation. We’ll begin with a short grounding moment, followed by a brief reading from spiritual or philosophical traditions, and an open reflection circle where participants can share (or simply listen). Libera Animae is an interfaith community focused on inner growth, creativity, and authentic connection. All backgrounds are welcome.

**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** TBD **YouTube Link** TBD

**Improving Office in Franklinton** Physical location: Improving Office 330 Rush Alley Suite #150 Columbus, OH 43215 Schedule: 6:00 p.m.: Socialize, eat, and drink. Improving will be providing pizza and beverages. 6:30 to 8:00 pm. Main meeting and presentation(s). Topic: This month John Lairson will share a notebook describing the Alpaca (Paper) Trading API and discuss different algorithms for evaluating stock trades. We meet on the last Monday of each Month. Presentations are given by members and friends of this group. If you would like to do a presentation (small or large) on a python topic, please contact Central OH Python at centralohpython@gmail.com

**Latest Dojo Location!** **Knotty Pine Brewing** 1765 W 3rd Ave, Columbus, OH 43212 We're going to try a new dojo location for a few weeks and see how it works Dojos are informal Python group study sessions where everyone interested in Python gathers to learn about Python, help others with Python, or just hang out. Everyone is welcome from Python beginners to experts. Bringing a laptop is encouraged (we'll have extension cords and power strips). If there's something you want to learn leave a comment on this invite so we can plan ahead. We're looking for speakers for our Monthly Meetups! Fill out the form if you are interested in presenting to the Python Community. https://forms.gle/ehSfUAC2WgR34Crq9