{"id":18786,"date":"2023-06-13T10:29:51","date_gmt":"2023-06-13T14:29:51","guid":{"rendered":"https:\/\/engineering.jhu.edu\/magazine-archive\/?p=18786"},"modified":"2023-06-20T11:38:08","modified_gmt":"2023-06-20T15:38:08","slug":"the-solution-builders","status":"publish","type":"post","link":"https:\/\/engineering.jhu.edu\/magazine-archive\/2023\/06\/the-solution-builders\/","title":{"rendered":"The Solution Builders"},"content":{"rendered":"

 <\/p>\n\"Banner\n

Whether they share their vision on a flash drive or scrawled on a paper napkin, engineering faculty and students know they can count on experts in the Whiting School\u2019s Machine Shop to bring ideas to life.<\/strong><\/p>\n

Professor Gurumurthy \u201cRam\u201d Ramachandran<\/a> and his team in the Department of Environmental Health and Engineering<\/a> faced some daunting challenges when they set out to build an environmental chamber to simulate workplace settings.<\/p>\n

\"PhotographTheir goal was to replicate industrial tasks that generate chemicals, fumes, and dusts to measure their airborne concentrations. To do that, the researchers would need to be able to control the rate of air flow in the chamber over a wide range and easily clean its surfaces between uses. And the entire facility would have to be constructed as an airtight space within the confines of their existing lab at JHU\u2019s Bloomberg School of Public Health<\/a>.\u00a0<\/span><\/p>\n

<\/div>\n

Needing guidance and expertise, Ramachandran and his team did what countless other engineering faculty members and students at Johns Hopkins do: They visited the Whiting School\u2019s Machine Shop. Located in the basement of the Homewood campus\u2019 Wyman Park Building, the shop is a beehive of activity where saws buzz, drills whir, and sparks fly. It\u2019s here that a team of nine machinists, engineers, instrument designers, and others help university affiliates with consultation, design and manufacturing, and services and repair.\u00a0<\/span><\/p>\n\"Photograph\n

For Ramachandran\u2019s project, Machine Shop engineers<\/a> suggested materials for the walls that would be easy to clean and would be inert to the various chemicals and conditions being tested, and working with the building’s managers, they were able to tie into the existing ventilation and drainage systems.\u00a0<\/span><\/p>\n

\u201cThey were very thoughtful about every aspect. In fact, one of my favorite details was that one of my students suggested calling the chamber \u2018The Chamber of Exposures,\u2019 after Harry Potter\u2019s Chamber of Secrets<\/i>.\u201d The shop\u2019s engineers clearly enjoyed the comparison and surprised Ramachandran and his students by creating a sign for the external wall, written in a Harry Potter-style font.\u00a0<\/span><\/p>\n

A Decade of Ideas\u00a0<\/span><\/h2>\n
\"Rich
Rich Middlestadt, director, WSE Manufacturing<\/figcaption><\/figure>\n

In 2008, when Rich Middlestadt joined Johns Hopkins Engineering as a machinist in the Department of Mechanical Engineering<\/a>, he quickly became aware of student and faculty members’ ever-growing need for assistance with conceptualizing, designing, and creating innovations that would enable them to address complex engineering problems, as well as inefficiencies that he observed that made it challenging to provide such support in an effective and efficient manner.\u00a0<\/span><\/p>\n\"Photograph\n

“I realized there was a disconnect between the departments. Each had their own resources and facilities to handle their own needs,” he says.\u00a0<\/span><\/p>\n

From that need, WSE Manufacturing<\/a> was born, with Middlestadt as its founding director. Today, the facility encompasses a machine shop as well as a student self-service facility<\/a>\u00a0and a makerspace<\/a>\u00a0(see below for more information), all of which provide the Engineering School and the JHU community with consultation and manufacturing services and access to equipment and resources.\u00a0<\/span><\/p>\n

\"Photograph
Daren Ayres<\/figcaption><\/figure>\n

Daren Ayres, senior instrument designer who has been with the Machine Shop since it opened in 2013, explains, \u201cYou never know what sort of request will walk through the door.\u201d He has worked on projects ranging from repairs to the Gilman clock tower\u2019s hands to lifesaving medical devices. \"Photograph<\/span><\/p>\n

\u201cRight now, I\u2019m milling these little chambers that grow human tissue.\u201d He holds up a clear Lucite rectangle about one inch thick and the size of a credit card. He is drilling tiny holes into its sides where he\u2019ll insert minuscule rubber O-rings\u2014about the size of the \u201co\u201d on this page\u2014to form a vacuum-sealed chamber in its center.\u00a0<\/span><\/p>\n

The devices, called bioreactors, are being made for Danielle Yarbrough<\/a>, a third-year PhD student in the Department of Chemical and Biomolecular Engineering<\/a>, whose team is investigating how different tissue engineering models are affected by space flight. In 2021, the Machine Shop created the first bioreactor, designed by Chelsey Dunham, a former postdoctoral fellow in the lab, and they have made eight more since.\u00a0<\/span><\/p>\n

The bioreactors enable Yarbrough to grow models of human blood vessels, using a process that involves inserting two needles into the hollow port at the device\u2019s center into which she then inserts a tube of tissue tied to a polymer scaffold.\u00a0<\/span><\/p>\n

\"Photograph\u201cWe\u2019re studying how cells respond to different disease conditions with the goal of modeling various cardiovascular diseases,\u201d explains Yarbrough. \u201cCurrently, we either look at cells in a dish or use a mouse model, so this is an in-between way, or an in-vitro culture system, to study effects on actual human cells.\u201d\u00a0<\/span><\/p>\n

The ultimate goal of the project, which is funded by a branch of NASA\u2019s Human Research Program, the Translational Research Institute for Space Health<\/a>, is determining a way to protect astronauts from radiation and understand the effects of deep space travel on the cardiovascular system.\u00a0<\/span><\/p>\n

\u201cYou never know what sort of request will walk through the door.\u201d\u00a0<\/span><\/b><\/p>\n

\u2013 Daren Ayres, senior instrument designer<\/i><\/p><\/blockquote>\n

Boundless Ingenuity\u00a0<\/span><\/h2>\n

\u201cThe geniuses on campus have befriended the machinists and bring us ideas\u2014whether on a flash drive or a paper napkin,\u201d says Cindy Larichiuta, the Machine Shop\u2019s \"Up-close
\nprogram administrator. \u201cWe are like a chameleon who is constantly changing its colors to adapt to anything they need. We touch everything under the university umbrella\u2014from the newest breakthrough for surgery to a refrigeration unit that needs to be moved across campus\u2014 because we have the expertise and resources to do both.\u201d\u00a0<\/span><\/p>\n

\"Photograph
Mark Cooper<\/figcaption><\/figure>\n

Mark Cooper, a senior instrument designer, also appreciates the variety of projects. \u201cOne of my favorite things about working here is that you never know what ideas these engineers are going to come up with. And they often have no idea how to make what they have conceptualized. That\u2019s where we come in,\u201d Cooper says.\u00a0<\/span><\/p>\n

\"Photograph
Photo courtesy Rich Middlestadt<\/figcaption><\/figure>\n

One of Cooper\u2019s first projects was made at the request of a researcher studying water droplet deviations in a controllable-strength electromagnetic field. The researcher needed a voltage field plate system that would enable him to understand the effects of strength of electromagnetic field on varying droplets per second. Cooper\u2019s solution was to build a stand with two copper plates that could swing out at increasing increments of rotation to adjust the distance between them while 5,000 volts of current ran through them and water droplets dripped through the field.<\/p>\n

\u201cThe challenge in this case was connecting wires to copper plates that would conduct electricity\u2014with water\u2014and not get electrocuted or set anything on fire,\u201d Cooper says.\u00a0<\/span><\/p>\n

“One of my favorite things about working here is that you never know what ideas these engineers are going to come up with. And they often have no idea how to make what they have conceptualized. That\u2019s where we come in.”\u00a0<\/span><\/b><\/p>\n

\u2013 Mark Cooper, senior instrument designer\u00a0<\/span><\/i><\/p><\/blockquote>\n

\"Photograph
Stipe Iveljic<\/figcaption><\/figure>\n

Stipe Iveljic, a senior instrument designer, is known by his peers as the master of tiny things. For instance, he machined a small bone-mounted marker that can be screwed into place and is used to measure the precise 3D location and angle of a spinal vertebra during scoliosis surgery.\u00a0<\/span><\/p>\n

The device was a key component of a technology developed by Spine Align<\/a>, a local startup from the Whiting School\u2019s Center for Bioengineering Innovation and Design<\/a>, led by master’s students Amir Soltanianzadeh MS \u201918 (CEO and co-founder) and David Gullotti MS \u201917, MD \u201919 (SOM) (CTO and co-founder, now interventional radiology resident), and Nick Theodore (co-founder and director of the Neurosurgical Spine Center at Johns Hopkins Hospital). \"Photograph<\/span><\/p>\n

\u201cHaving the right equipment here in our shop makes this challenging job a little bit easier for me,\u201d says Stipe. \u201cI truly enjoy helping students and faculty with research that might lead to developing new medical devices or procedures.\u201d<\/p>\n

Room to Grow\u00a0<\/span><\/h2>\n

One result of WSE Manufacturing’s success, ironically, is that the team has outgrown its original space in the Wyman Park Building. Due to space restrictions and ventilation requirements, they have some facilities in other buildings. A pending renovation to the Wyman Park Building may enable them to double\u2014or even triple\u2014in size and consolidate operations with the Machine Shop at its center, once again giving form to Middlestadt’s vision.\u00a0<\/span><\/p>\n

Regardless of where the shop is located, it will continue to serve its purpose: offering engineered solutions for people across the university.\u00a0<\/span><\/p>\n

\"Group
Top (L-R): Chris Gunther, Stipe Iveljic, David Carrington, Rich Middlestadt, Daren Ayres; Bottom (L-R): Niel Leon, Cindy Larichiuta, Mark Cooper, Luke Ikard<\/figcaption><\/figure>\n
\n

\/\/\/SELF-GUIDED INNOVATORS\/\/\/\u00a0<\/span><\/h2>\n

In the self-service machine shop, open 24\/7, students have access to a full range of equipment they need to bring their projects to fruition.<\/p>\n

\"Photograph
Front (L-R): Aaron Ziegler \u201925, Lance Phillips \u201923, and Chris Hwang \u201925 Back (L-R): Tyler Stanley \u201925 and Zatara Nepomuceno \u201925<\/figcaption><\/figure>\n

One group that relies on this self-service shop is Blue Jay Racing<\/a>, an undergraduate team that takes part in competitions sponsored by Baja SAE, an international organization that challenges students to build from scratch a vehicle that can withstand the severe punishments of rough terrain, mud, and water at sponsored events across the country.<\/p>\n

<\/div>\n

Lance Phillips, a fourth-year mechanical engineering student, is this year\u2019s team lead. \u201cBeing in Baja has given me hands-on, real-world engineering experience that I wouldn\u2019t have necessarily gotten in the classroom. I have learned to weld and to use subtracting manufacturing machines, like mills and lathes,\u201d he says. \u201cMy first internship was the direct result of participation in this club.\u201d<\/p>\n

There are about 25 people on the team this year. They planned their design last summer, have been building their vehicle throughout the school year, and this summer will compete against approximately 200 teams representing university engineering programs from 14 nations.<\/p>\n

\n

\/\/\/WHERE IDEAS SHINE\/\/\/\u00a0<\/span><\/h2>\n

\u2014 Koye Berry\u00a0<\/i><\/p>\n

\"PhotographThe Makerspace, a manufacturing and design space managed by the Whiting School, is the go-to hub for innovative projects of all kinds. Serving all Johns Hopkins university affiliates, it is outfitted with 3D printers, vinyl and laser cutters, an electrical station, and more.<\/p>\n

This year, the facility was used for a semester-long team project to create Persephone: Four Seasons, an interactive light and sound organ created for the annual lighting of the quads ceremony in December. The facility\u2019s first-ever partnership with Johns Hopkins University\u2019s Digital Media Center, the team was led by Makerspace manager Luke Ikard, and Jason Charney, multimedia specialist for the Digital Media Center.<\/p>\n

The interactive synthesizer resembled a pipe organ, which produces columns of led light that correspond to each key. Inspired by the myth of Persephone and the changing of the seasons, the LED colors and musical modes evolve as the instrument is played.<\/p>\n

\u201cJason led the technology aspect of the project,\u201d Ikard says. \u201cWe worked with the students to develop the physical structure and how we wanted users to interact with it. That’s where the Makerspace shines; we have larger prototype manufacturing equipment that can produce on this scale. We used our woodshop and our CNC router to import 2D designs and cut them perfectly out of plywood. Being able to design that kind of custom object is what we excel at.\u201d<\/p>\n

The light organ was showcased at three campus events this year: the Lighting of the Quads, a night at the ice rink, and the Alumni Weekend arts showcase.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Whether they share their vision on a flash drive or scrawled on a paper napkin, engineering faculty and students know they can count on experts in the Whiting School\u2019s Machine Shop to bring ideas to life.<\/p>\n","protected":false},"author":4,"featured_media":18956,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[],"class_list":["post-18786","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-features","issue-spring-2023"],"acf":[],"yoast_head":"\nThe Solution Builders - JHU Engineering Magazine<\/title>\n<meta name=\"description\" content=\"Whether they share their vision on a flash drive or scrawled on a paper napkin, engineering faculty and students know they can count on experts in the Whiting School\u2019s Machine Shop to bring ideas to life.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/engineering.jhu.edu\/magazine-archive\/2023\/06\/the-solution-builders\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Solution Builders\" \/>\n<meta property=\"og:description\" content=\"Engineering faculty and students know they can count on experts in the Whiting School\u2019s Machine Shop to bring ideas to life.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/engineering.jhu.edu\/magazine-archive\/2023\/06\/the-solution-builders\/\" \/>\n<meta property=\"og:site_name\" content=\"JHU Engineering Magazine\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-13T14:29:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-20T15:38:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/engineering.jhu.edu\/magazine-archive\/wp-content\/uploads\/2023\/06\/solution-builders-social-card.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"680\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Abby Lattes\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"The Solution Builders\" \/>\n<meta name=\"twitter:description\" content=\"Engineering faculty and students know they can count on experts in the Whiting School\u2019s Machine Shop to bring ideas to life.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/engineering.jhu.edu\/magazine-archive\/wp-content\/uploads\/2023\/06\/solution-builders-social-card.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Abby Lattes\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/2023\\\/06\\\/the-solution-builders\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/2023\\\/06\\\/the-solution-builders\\\/\"},\"author\":{\"name\":\"Abby Lattes\",\"@id\":\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/#\\\/schema\\\/person\\\/0244393be370fbc3ead8ec26062e9742\"},\"headline\":\"The Solution Builders\",\"datePublished\":\"2023-06-13T14:29:51+00:00\",\"dateModified\":\"2023-06-20T15:38:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/2023\\\/06\\\/the-solution-builders\\\/\"},\"wordCount\":1922,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/2023\\\/06\\\/the-solution-builders\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/IMG_0325-e1685735928531.jpeg\",\"articleSection\":[\"Features\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/2023\\\/06\\\/the-solution-builders\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/2023\\\/06\\\/the-solution-builders\\\/\",\"url\":\"https:\\\/\\\/engineering.jhu.edu\\\/magazine-archive\\\/2023\\\/06\\\/the-solution-builders\\\/\",\"name\":\"The Solution Builders - 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