Data Visualization

***Meet us in the Rockville Library, Collaboration room #4 where we will attempt to run clean scans of 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. 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) Meet us in the Rockville Library, Collaboration room #4

We will be meeting at Starbucks to learn together. Come with an online class you're already going through or an interest and we will try to connect you with a course where you can learn it. Already have a skill you want to contribute to a Kaggle Datascience competition? We will work on these too! Laptop required :)

• What we'll do On https://blackecon101.podbean.com/ Thursdays at 6 pm. discussing the economy....

UXDX, Refresh DC, Friends of Figma, and User Experience University are joining forces for a night of good drinks, great convos, and even better connections. Whether you're a UX designer, researcher, product manager, or engineer, if you work in the product space, this night is for you. Come connect with the people shaping DC's design and tech scene. What to expect: — Network with DC's UX, product, and engineering community — A chance to WIN a free ticket to UXDX during our giveaway — Score 25% off tickets to UXDX just for attending! Bring a friend (or two) and we’ll see you there!

**EVERYONE MUST REGISTER ON THE WOMEN ON COURSE WEBSITE TO CONFIRM A SPOT FOR THIS EVENT. [CLICK HERE TO RSVP](https://www.womenoncourse.com/nine-and-wine-edp-13458-05-2026.html)** **(an RSVP on Meetup will NOT hold a spot for you)** Enjoy 9 holes of recreational golf at one of Virginia’s most celebrated public courses - recognized in The Golfer’s Journal for its rich history and “visually stunning” course design. Grab a drink before your round and enjoy the friendship of women who share your interests. Price includes 9 holes of golf with cart and drink ticket. This event welcomes the first 12 people who RSVP. Come solo or bring a friend. Payment will be made upon arrival at the event venue. **$50\.00 Member \| $50\.00 Non Member** A **Non Member** registration fee of **$10.00** is due at time of registration. This fee is non refundable.

Join us on **Thursday, April 2nd** for **Kickback & Connect** in **Washington, D.C.** From magazines to motion design and from newsrooms to nonprofits, if you make things in D.C., you’re invited. This is a low-key happy hour bringing together designers and creatives across disciplines in the DMV to kickback, connect, and share ideas—no panels, no pitches, no pressure. We hope to see you there! **Music by: Friends on Mars** Hosted by Good People DC and **[SPD](https://www.spd.org/)**, a nonprofit design community rooted in publishing and creative excellence. No cover charge = no excuse not to come Must be 21 to enter. Please drink responsibly.

Whether you're taking your first dance step or have been a constant bachatero, join us for great music, food, and drinks! A free bachata dance class starts at 6:30 p.m., and food and drinks will be available for purchase. Please RSVP on [Action Network](https://actionnetwork.org/events/dsa-latin-dance-social-2/) to receive further updates on this event. \* \* \* This event is open to both DSA Members and supporters. Not a Member? Please consider [becoming a Member](https://dsausa.org/join?source=Metro%20DC). Fees are on a sliding scale according to what you feel you can afford.

Discover the world of Water Colors! This is an Introduction Water Colors Class! Learn to paint Water Colors and create a beautiful landscape to take home. I will be your instructor. I have been teaching art for 26 years. All supplies are included Special Deal $10.00 for this class. Please bring it with you. I have reserved the meeting room at the Chevy Chase Library to hold this class. Meeting room is downstairs FREE parking Guests must be over 50 to attend. RSVP today! Chevy Chase Library Maryland 8005 Connecticut Ave, Chevy Chase, MD 20815

A beginner-friendly workshop on advanced AI, government policy, and how this new technology is evolving and impacting society. ​​​​**Free and open to the public — no technical background required** ​​​​In previous workshops, we've seen how AI is a transformative technology like no other, for better or for worse. Beyond the technology itself, however, government regulations and societal norms will inform the impact AI has on our world. ​In this workshop, we will explore what policies have been proposed, which have been implemented and why, and what the impact has been so far. How can we use these lessons to maximize the promise and minimize the peril of AI? ​​​​**Over the course of the workshop, we’ll explore:** * ​**Concepts and Goals:** What problems should AI policies be trying to solve? * ​​​​**Different Kinds of AI Policies:** What policies have been proposed so far? What are the pros and cons? * ​​​​**Political Landscape:** How are financial incentives and conflicting ideologies influencing AI policy? * ​​​​**Case Studies:** What can we learn from what's been passed so far? ​​​​**What you’ll get:** * ​​​​A clear, non-technical introduction to core ideas from AI safety, AI governance, and existential risk research. * ​​​​Small-group discussions and thought experiments that connect AI risks to everyday life, institutions, and incentives. * ​​​​A better mental model for evaluating headlines, hype, and claims about AI progress. ​​​​**Format & vibe:** ​​​​This is not a lecture it is an interactive workshop designed to help people think clearly about a topic that is increasingly important and moving very quickly. ​​​​Whether you’re new to AI, casually interested, or deeply unsure what to believe, you’ll leave with a clearer picture of *why* many researchers take AI seriously—and *what’s actually at stake* if we get it wrong.

As always, the goal is fun. Beginners are welcome. We play until 5 or 6. Parking (Free): Plenty of free street parking available on Sunday afternoons near the playing area. Contact Organizer for exact address and other helpful details Metro: Foggy Bottom Metro Station is an 8 minute walk

# **✨ Match Madness: Glow — Singles Mixer (Ages 42–55)** 📍 Eighteenth Street Lounge — Washington DC 🕗 8:00 PM – 10:00 PM Tired of swiping? Come meet people in real life. Glow is a relaxed singles night designed to help people meet naturally in a fun social setting. Instead of awkward speed dating, we start with a quick online quiz and then move into interactive team games that get everyone talking. Expect things like: • DC trivia • clever conversation starters • surprise team challenges • friendly competition After the games, we reveal suggested matches and connections and open the room for mingling. *** ## 🎟 **Tickets Required** This Meetup RSVP does **NOT** guarantee entry. 🎟 Tickets must be purchased here: 👉 https://matchmadness_glow_2026.eventbrite.com We occasionally release **limited 2-for-1 tickets**, so grab them early. *** ## 🍸 **Drinks & Venue** We’re hosting this at **Eighteenth Street Lounge**, a beautiful DC nightlife venue known for its atmosphere and cocktails. Guests will have access to **happy hour drink specials**, including the **espresso martini**. After the event, the **dance floors and DJs open up**, so feel free to stay and enjoy the night. *** ## ⏰ **Schedule** 8:00 — Arrival + drinks 8:15 — Quick matchmaking quiz 8:30 — Teams form 8:45 — Games begin 9:30 — Matches + mingle Please arrive by **8:30 PM** if you want to participate in the games. *** ## ⚠️ **Notes** • Event is for singles **ages 42–55** • Smartphone with Internet required • Venue has stairs • Photos/Videos may be taken for social media • Respectful behavior is required Come solo or bring a friend — the games make it easy to meet everyone.

Let's get together for a picnic at Quincy park. We'll simply hangout, relax, and enjoy each other's company. Cost: Free **Optional**: Feel free to bring something — like food, drinks, a blanket, or a lawn chair. You’re also welcome to bring games such as cornhole, board games, or any other lawn games to enjoy together. Exact meeting location: [https://maps.app.goo.gl/5J3J9EF3x5qBERoB6](https://maps.app.goo.gl/5J3J9EF3x5qBERoB6)

This is an opportunity to practice and hone your presentation skills for a friendly audience! Come ready to give a 5-minute presentation on a topic of your choice - whether it's a pitch to potential clients for your job, a niche hobby, or a special interest, all topics are welcome. Guests are encouraged to bring their own laptops. We will have access to a projector and HDMI cable to connect.

The Fellowship of the Star Schema: Transforming OLTP Data for Power BI One does not simply build reports on OLTP data. Join us on an epic journey from the depths of raw, normalized tables to the shining halls of a well-modeled star schema fit for Power BI greatness. We will demystify the differences between OLTP and OLAP, walk through star schema vs snowflake (and why Power BI has a clear favorite), and show you the compression differences between normalized and columnar storage that will make you never look at an OLTP model the same way again. We will cover the different types of dimensions, when to use them, and how to handle Slowly Changing Dimensions without losing your mind. You will leave knowing exactly how to identify a bad model, how to convert OLTP data into a clean star schema, and how to forge relationships that rule them all. Whether you are a data wizard, a curious hobbit, or somewhere in between, your models will never be the same.

**The Data-Driven Brand: Using Analytics to Shape Perception** Can you use analytics to improve tacos? This being CBUSDAW, we think the answer is probably “yes”, but we’re not sure how to implement or test this theory. For our April meetup we’ve got Sara Kear, CMO of Condado Tacos, to investigate this delicious question. Sara will explore how she blends quantitative data and qualitative customer feedback to shape brand positioning and drive business decisions. We all know that marketing and analytics go way beyond attribution. Sara will show how Condado uses customer insights to inform product and pricing strategy. She’ll also highlight how Condado leverages customer feedback at scale to influence operational priorities, positioning marketing as the voice of the customer across the organization. In the last 12 years Condado has gone from one location in Columbus to 52 locations across 10 states, so we’re guessing there’s more to that growth than really good guac (though the guac probably helps). Ultimately, this talk focuses on the intersection of art and science—using data to inform creativity and build a brand that resonates with customers in a measurable way. **About Our Speaker** Sara Kear is Chief Marketing Officer at Condado Tacos, where she oversees brand, restaurant design, menu and pricing strategy, off-premise including catering, and customer data strategy. Since joining in 2021, she has helped grow the brand from 19 to 52 locations while building a data-driven marketing organization focused on loyalty and customer insights. Condado has since been named to the Inc. 5000, recognized as Breakout Retailer by Chain Store Age, and consistently ranked among FastCasual’s Top 100 Movers & Shakers. Thanks to our 2026 sponsors: [Clarivoy](https://www.clarivoy.com), [What Box Consulting Group](https://www.whatboxconsultinggroup.com), [Conductrics](https://www.conductrics.com), and [Piwik PRO](https://piwik.pro) More info at [cbusdaw.com](https://cbusdaw.com)

The April Ohio North Database Training user group meeting will be held on **April 7th, 2026 at 5:00PM**. This will be a **HYBRID** event and we will be joined online by **Kayla Boor**. You're welcome to come meet in-person at our meeting location, the offices of Improving at **[6000 Freedom Square Dr,](https://www.google.com/maps/place/Improving/@41.4004167,-81.6614462,17z/data=!3m2!4b1!5s0x8830e5b8255c5919:0xd8297060eb68fe04!4m6!3m5!1s0x8830dc7a0fe35dc9:0xbfc4710ecadfc5c!8m2!3d41.4004127!4d-81.6588713!16s%2Fg%2F1hm3hkqp3?entry=ttu&g_ep=EgoyMDI1MDQzMC4xIKXMDSoASAFQAw%3D%3D)** **[Unit 110,](https://www.google.com/maps/place/Improving/@41.4004167,-81.6614462,17z/data=!3m2!4b1!5s0x8830e5b8255c5919:0xd8297060eb68fe04!4m6!3m5!1s0x8830dc7a0fe35dc9:0xbfc4710ecadfc5c!8m2!3d41.4004127!4d-81.6588713!16s%2Fg%2F1hm3hkqp3?entry=ttu&g_ep=EgoyMDI1MDQzMC4xIKXMDSoASAFQAw%3D%3D)** **[Independence, OH 44131](https://www.google.com/maps/place/Improving/@41.4004167,-81.6614462,17z/data=!3m2!4b1!5s0x8830e5b8255c5919:0xd8297060eb68fe04!4m6!3m5!1s0x8830dc7a0fe35dc9:0xbfc4710ecadfc5c!8m2!3d41.4004127!4d-81.6588713!16s%2Fg%2F1hm3hkqp3?entry=ttu&g_ep=EgoyMDI1MDQzMC4xIKXMDSoASAFQAw%3D%3D)** [Teams Link ](https://teams.microsoft.com/meet/22562814501129?p=w1cSxeUXFTVeIpZiMw)if anyone needs it after RSVP-ing for in person. If you would like to subscribe to our email list outside of Meetup, we have changed platforms recently and you will need to register [here in Kit ](https://ohio-north-data-training.kit.com/b8f036f615)instead to receive emails. Agenda: **5:00 PM EST**: Online and in-person meeting begins with a social hour. This is an unstructured hour where you can join us to catch up and meet other group members before the session starts. There will be food brought in for in-person attendees. **6:00 PM EST**: Updates and announcements, followed by our feature presentation. See below for presentation details. **7:30 PM EST**: Optionally after the main presentations, the in-person crowd may go out for snacks and drinks at a local establishment. We hope to see you there! Session Abstract **Accidental friends: How a DBA and an SRE worked together to optimize the system.** This session is focused on how to communicate effectively between teams to improve alert fatigue, performance, and observability. \*\*NEW SPEAKER \*Please note, that we will be using Microsoft Teams for the online portion of this meeting. You may want to join a few minutes early to ensure you do not have any issues. If you are attending in person, there are large TVs at the office, and you do not need to bring a laptop or use Teams.

Pay attention! We’re delaying a week for those of you who may be on Spring break and/or celebrating the holiday. Ok, no pancakes, but waffles-a-plenty. Join the local UX and Digital Design community for a casual monthly breakfast. Look for us upstairs!

Our monthly PHP meetup. A virtual shindig courtesy of Zoom. Check back here for the details around 6:15 pm

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.

Let’s try this popular Italian restaurant in Reynoldsburg. This is the menu: https://scaliristorante.com/#4e468054-0235-43e2-81c2-44e061341e9e