One of MIT’s best-kept secrets lives in the Institute’s basement

One of MIT’s best-kept secrets lives in the Institute’s basement

When MIT’s Walker Memorial (Building 50) was constructed in 1916, it was among the first buildings located on the Institute’s then-new Cambridge campus. At the time, national headlines would have heralded Gideon Sundback’s invention of the modern zipper, the first transcontinental phone call by Alexander Graham Bell, and Charles Fahbry’s discovery of the ozone layer. It would be another 12 years before the invention of sliced bread, and, importantly, four years before the first U.S.-licensed commercial radio station would go on the air.    

In true MIT fashion, the past, present, and future of Building 50 seem to coexist within its hallways. Today, the basement of Walker Memorial is home to what some students consider to be one of the Institute’s best-kept secrets — something that likely never crossed the minds of its original architects: a 24-hour, high-fidelity radio station. 

Operating under the call sign WMBR 88.1 FM (for “Walker Memorial Basement Radio”), this all-volunteer troupe has endured many hurdles similar to those faced by others in the field as radio itself has largely changed over the years. But as general managers James Rock and Maggie Lin will tell you, there’s something special about this station’s ability to build deeper connections within the larger community.

“Students have the opportunity to get to know a bunch of our community members,” explains Rock. “Our tech director works closely with every student who wants to contribute, which involves anything from manning a drill to climbing to the roof of Walker and manually bending the antenna back into shape, which I did a couple of weeks ago,” laughs Rock. “Most of our student members are trained by someone who’s been around and really knows what they’re doing with radio after decades of experience.”

“It’s really fun,” says Lin. “It’s being able to hang out with people who love music just as much as you do. The older members of the station are such a cool resource for talking about different kinds of music.”

Now sophomores, Rock and Lin first arrived at MIT and WMBR two years ago. At the time, the station was mitigating the effects of the Covid-19 pandemic, during which WMBR went off the air temporarily. “We’ve been general managers since last spring, so the majority of our time at the station has been managing the station,” explains Lin. “We just came at a time when the station didn’t have many student members because of Covid.”

Lin recalls stories from disc jockeys who were at the station the night in 2020 when WMBR went off the air: “I’m told it was extremely sudden. There was someone here who said they finished their show and left a tote bag of records for the next time they were going to come back, and they left … and they still haven’t [returned].” 

However, resilience is a trait that WMBR has displayed in abundance throughout its storied 80-year history. First signing on as WMIT on Nov. 25, 1946, the station’s original equipment was built from the ground up by MIT electrical engineering students. In 1956, when the station’s call letters were licensed to a radio station in North Carolina, the Cambridge-based station became WTBS. And when the station was in dire need of cash for new equipment in the 1970s, its members found a creative solution: an agreement with media mogul Ted Turner to exchange the call letters WTBS for $50,000. This afforded the station the new equipment it dearly needed and allowed Turner to launch the Turner Broadcasting System. The station subsequently became WMBR on Nov. 10, 1979.          

So it’s no surprise how station members responded to the challenges posed by Covid. “The tech team pulled off something kind of crazy when they set that up,” says Lin. “Within weeks, they set up a system where people could upload files of shows they recorded from home, and then it would be broadcast live.”

“Sticking to the hybrid system means that especially new members have the flexibility to start out recording from home,” adds Rock. “That’s what Maggie and I did. It means if you’re scared, a little jumpy, or stutter as you speak, you can go back and edit.”

The station also expanded its slate of new content in the years following the pandemic. “I think the most lasting effect of Covid is that we are now 24/7,” says Rock. “Most of the time it’s fresh material now. The spring schedule is guaranteed fresh material from 6 a.m. to 2 a.m.”

“It’s a packed schedule,” adds Lin.

Considering the sheer amount of original programming now airing on WMBR, it would be easy to assume the station relies heavily on ad revenue to keep the lights on. But, thanks to one fundraising week held each November, the station keeps pumping out music and spoken-word shows such as “Music for Eels,” “Post-Tentious,” and “Crunchy Plastic Dinosaurs.”

“And operating an FM radio station is not cheap,” says Rock, “maintaining the antennas and buying new tech equipment, getting music, paying licensing fees, and ordering pizza to keep the students on board because the DJs have to be happy, etc. So it’s a real privilege that we are able to operate on that listener funding from that one week each year.”

“It’s kind of crazy, because when you’re broadcasting, it’s to Greater Boston, but you really don’t know how many people are listening,” adds Lin. “And I think it’s really awesome when you see fundraising week. It’s like, ‘Yeah, people really do listen.’” 

“And if a donor chooses to pledge to a show, generally the DJs will mail a postcard back as thanks for that donation. So, if you want a signature of Maggie’s or mine, support us in November!” laughs Rock. “Limiting [fundraising] to one week means that we never advertise, so as long as we keep that contained to one-52nd of the year, the rest of the time you just get the music and the DJ’s commentary you tuned in for. There’s no solicitation.”

In many ways, this highlights the paradox of WMBR: reconciling its undeniable audience of loyal listeners and passionate community members with the fact that many MIT students and employees have never heard of WMBR.

“I think a lot of people just don’t quite know that the radio station is something that exists,” explains Lin. “I understand it’s because people our age don’t really listen to radio much anymore, but I think the space is so amazing. A lot of the new students that we bring in are pretty awed by it, especially the record library; with hundreds of thousands of records and CDs, and the studios,” says Lin, referencing the station’s impressive collection of music, which fills a space so large that it once held a bowling alley. “It’s an opportunity that is kind of easy to miss out on. So I feel like we’re bringing in new members — which I’m really happy about — but I just want people to know that WMBR is here, and it’s really cool.”

“Yes. I second that,” says Rock. “MIT is so full of opportunities and resources that you can’t possibly take advantage of all of them, but we are hidden here in the basement of Walker Memorial where students don’t really make it [to] that often.”

“Listeners don’t even know,” laughs Lin. “We had someone pass by the door once, and they were like, ‘The radio station? It’s here?’”

“I didn’t know there was a campus radio station, and I frankly hadn’t really thought of campus radio until I walked into Activities Midway during my first CPW [Campus Preview Weekend], and maybe orientation,” adds Rock. “One of the great things about it is that you can share your own music tastes with all of greater Boston. You have the aux cord for an hour every week, and it’s such a privilege.”

“It’s kind of scary-sounding to think, ‘You’re going to go sit behind a microphone and all of Greater Boston will hear you,’” adds Lin. “But James is always full of confidence, so I just thought, ‘What if we did a show together?’ That’s another thing that we like as we get new students in: people who want to co-host shows together.” 

“We are always looking for new student members,” says Rock. “Whether you want to do a radio show, podcast, help with maintaining and upgrading our broadcast equipment, or gain valuable experience helping to manage and lead a nonprofit organization that is an eclectic mix of MIT students, staff, and members of the local community, let us know!”

Walker Memorial Basement Radio (WMBR) is currently on the air and streaming 24/7. Listen online here, or tune your dial to 88.1 FM. To find out more about joining WMBR, send a message to membership@wmbr.org.

Exploring frontiers of mechanical engineering

Exploring frontiers of mechanical engineering

From cutting-edge robotics, design, and bioengineering to sustainable energy solutions, ocean engineering, nanotechnology, and innovative materials science, MechE students and their advisors are doing incredibly innovative work. The graduate students highlighted here represent a snapshot of the great work in progress this spring across the Department of Mechanical Engineering, and demonstrate the ways the future of this field is as limitless as the imaginations of its practitioners.

Democratizing design through AI

Lyle Regenwetter
Hometown: Champaign, Illinois
Advisor: Assistant Professor Faez Ahmed
Interests: Food, climbing, skiing, soccer, tennis, cooking

Lyle Regenwetter finds excitement in the prospect of generative AI to “democratize” design and enable inexperienced designers to tackle complex design problems. His research explores new training methods through which generative AI models can be taught to implicitly obey design constraints and synthesize higher-performing designs. Knowing that prospective designers often have an intimate knowledge of the needs of users, but may otherwise lack the technical training to create solutions, Regenwetter also develops human-AI collaborative tools that allow AI models to interact and support designers in popular CAD software and real design problems. 

Solving a whale of a problem 

Loïcka Baille
Hometown: L’Escale, France
Advisor: Daniel Zitterbart
Interests: Being outdoors — scuba diving, spelunking, or climbing. Sailing on the Charles River, martial arts classes, and playing volleyball

Loïcka Baille’s research focuses on developing remote sensing technologies to study and protect marine life. Her main project revolves around improving onboard whale detection technology to prevent vessel strikes, with a special focus on protecting North Atlantic right whales. Baille is also involved in an ongoing study of Emperor penguins. Her team visits Antarctica annually to tag penguins and gather data to enhance their understanding of penguin population dynamics and draw conclusions regarding the overall health of the ecosystem.

Water, water anywhere

Carlos Díaz-Marín
Hometown: San José, Costa Rica
Advisor: Professor Gang Chen | Former Advisor: Professor Evelyn Wang
Interests: New England hiking, biking, and dancing

Carlos Díaz-Marín designs and synthesizes inexpensive salt-polymer materials that can capture large amounts of humidity from the air. He aims to change the way we generate potable water from the air, even in arid conditions. In addition to water generation, these salt-polymer materials can also be used as thermal batteries, capable of storing and reusing heat. Beyond the scientific applications, Díaz-Marín is excited to continue doing research that can have big social impacts, and that finds and explains new physical phenomena. As a LatinX person, Díaz-Marín is also driven to help increase diversity in STEM.

Scalable fabrication of nano-architected materials

Somayajulu Dhulipala
Hometown: Hyderabad, India
Advisor: Assistant Professor Carlos Portela
Interests: Space exploration, taekwondo, meditation.

Somayajulu Dhulipala works on developing lightweight materials with tunable mechanical properties. He is currently working on methods for the scalable fabrication of nano-architected materials and predicting their mechanical properties. The ability to fine-tune the mechanical properties of specific materials brings versatility and adaptability, making these materials suitable for a wide range of applications across multiple industries. While the research applications are quite diverse, Dhulipala is passionate about making space habitable for humanity, a crucial step toward becoming a spacefaring civilization.

Ingestible health-care devices

Jimmy McRae
Hometown: Woburn, Massachusetts
Advisor: Associate Professor Giovani Traverso
Interests: Anything basketball-related: playing, watching, going to games, organizing hometown tournaments 

Jimmy McRae aims to drastically improve diagnostic and therapeutic capabilities through noninvasive health-care technologies. His research focuses on leveraging materials, mechanics, embedded systems, and microfabrication to develop novel ingestible electronic and mechatronic devices. This ranges from ingestible electroceutical capsules that modulate hunger-regulating hormones to devices capable of continuous ultralong monitoring and remotely triggerable actuations from within the stomach. The principles that guide McRae’s work to develop devices that function in extreme environments can be applied far beyond the gastrointestinal tract, with applications for outer space, the ocean, and more.

Freestyle BMX meets machine learning

Eva Nates
Hometown: Narberth, Pennsylvania 
Advisor: Professor Peko Hosoi
Interests: Rowing, running, biking, hiking, baking

Eva Nates is working with the Australian Cycling Team to create a tool to classify Bicycle Motocross Freestyle (BMX FS) tricks. She uses a singular value decomposition method to conduct a principal component analysis of the time-dependent point-tracking data of an athlete and their bike during a run to classify each trick. The 2024 Olympic team hopes to incorporate this tool in their training workflow, and Nates worked alongside the team at their facilities on the Gold Coast of Australia during MIT’s Independent Activities Period in January.

Augmenting Astronauts with Wearable Limbs 

Erik Ballesteros
Hometown: Spring, Texas
Advisor: Professor Harry Asada
Interests: Cosplay, Star Wars, Lego bricks

Erik Ballesteros’s research seeks to support astronauts who are conducting planetary extravehicular activities through the use of supernumerary robotic limbs (SuperLimbs). His work is tailored toward design and control manifestation to assist astronauts with post-fall recovery, human-leader/robot-follower quadruped locomotion, and coordinated manipulation between the SuperLimbs and the astronaut to perform tasks like excavation and sample handling.

This article appeared in the Spring 2024 edition of the Department of Mechanical Engineering’s magazine, MechE Connects

President Mokgweetsi Masisi of Botswana visits the Legatum Center at MIT

President Mokgweetsi Masisi of Botswana visits the Legatum Center at MIT

President Mokgweetsi Masisi of Botswana visited the Legatum Center for Development and Entrepreneurship at MIT on Tuesday, delivering a speech on the value of entrepreneurship in growing economies and affirming an interest in working with the center on spurring innovation in his own country.

“Innovation is … not a privilege for the few, but a powerful tool that should be accessible for all,” Masisi said during a speech at the Legatum Center’s “Innovation in Global Growth Markets: Prosperity Through Entrepreneurship” conference, marking the center’s 15th anniversary.

Botswana, Masisi said, should undertake a “deliberate effort to deliver a vibrant innovation ecosystem by increasing investment in science, technology, and innovation, thus creating space for our current and future generations … to thrive and ensure an improved quality of life” in the country.

MIT President Sally A. Kornbluth also spoke at the event, highlighting the ways that the Legatum Center — which is part of the MIT Sloan School of Management — enables innovation-driven economic growth.

The goal, Kornbluth said, is to “help advance innovative ideas that have the potential for real impact and require long-term investment to succeeed; help connect promising entrpreneurs with investors, mentors, and advisors; and provide the resources that are needed to develop, scale, and deploy their solutions.”

Kornbluth also highlighted MIT’s new effort to combat climate change, the Climate Project at MIT. She noted that more than a quarter of MIT faculty have already been working on climate issues but that the new Institute-wide effort can produce “ways to have talented people do more together than they can do alone, so that we can help direct that collective power to deliver climate solutions to the world, in time.”

Georgia Perakis, the John C Head III Dean (Interim) of MIT Sloan, also delivered remarks at the conference, noting that MIT Sloan and the Legatum Center are committed to “educating principled innovation leaders and entrepreneurs who will make a difference and have an impact in the world.” She added, “And I know with the support of everybody here, this is what we are accomplishing.”

In addition to his appearance at the conference, Masisi, along with a delegation of government leaders from Botswana, met directly with Kornbluth, as well as with Dina H. Sherif, executive director of the Legatum Center, and other MIT administrators and faculty members.

In opening remarks at the conference, Sherif observed, “The majority of the world’s growth now comes from what has historically been referred to as the developing world. It is time for us to start recognizing that our time is now. We are not rising. We are here, we are strong, and it is up to us to create the prosperity that we need.”

Sherif added: “Long heralded as a regional reference for good governance and stability, Botswana is now uniquely positioned to become more influential globally and set an example for a rapid transition to a knowledge economy, leading the path for the rest of Africa.”

Masisi has been president of Botswana since 2018. He served as the country’s vice president from 2014 through 2018 and as a member of parliament from 2009 through 2018. The son of a longtime Botswana politican, Edison Masisi, he has a BA from the University of Botswana and an MA from Florida State University.

Botswana has one of the highest per-capita incomes in Africa. The country gained independence from Britain in 1966 and has been a democracy ever since. However, leaders are continuing to examine ways of diversifying the country’s economy.

As such, Botswana and the Legatum Center issued a memorandum of understanding to explore new ways to enhance innovation-driven growth in the country. Elements of the memorandum include establishing a fellowship for African innovation-driven entrepreneurs and student fellows in the mode of the Legatum Center’s fellowships, accelerating the country’s digitalization through uses of artificial intelligence, building an MIT Sandbox program to encourage entrepreneurship within Botswana, participation in the MIT Regional Entrepreneurship Acceleration Program, and possibly other joint activities.

For its part, the Legatum Center also issued a report summarizing its 15 years of impact in global growth markets. The center was initially housed in the MIT School of Architecture and Planning, during which it supported graduate students from all five schools at MIT. It then became part of the MIT Sloan School of Management in 2014.

The Legatum Center’s Student Fellowship supplies MIT students with curriculum, tuition support, advisor networks, and experiential learning opportunities to help drive their venture ideas ahead. So far, the center has provided over $10 million in fellowship funding to 326 fellows. In turn, those Legatum Fellows have created 282 ventures, about three-quarters of which still exist, raising over $1 billion in funding and creating over 17,000 jobs by themselves.

Among the center’s core aspirations has been to “create a home for immensely talented and promising young entrepreneurs,” said Legatum Group CEO Mark Stoleson, during an interview with MIT News between conference panel sessions.

In turn, Stoleson added, those Legatum Fellows will then “hopefully go back to the countries they came from and start businesses, create jobs, and be leaders within the ecosystem of entrepeneurship and prosperity within their countries.”

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Helldivers 2 Players Express Frustration On Steam As It Will Soon Require A PSN Account

Developer Arrowhead Game Studios and Sony Interactive Entertainment have announced that Helldivers 2 on Steam will soon require a PlayStation Network account to play. All new players from May 30 will have to link their Steam account to a PSN account, and all current players will have to do so by June 4. 

Up until this point, a PSN account was not required to play Helldivers 2 on PC via Steam, and with the sudden switch-up, players have taken to the game’s Steam reviews to express their frustration. Admittedly, the game’s rating is still “Very Positive,” with roughly 80% of user reviews falling into this category, but that 80% is lower than it has been in the weeks prior. And now, if you look at the game’s recent reviews, you’ll find plenty of negative ratings over the required PSN account change. 

Helldivers 2 Players Express Frustration On Steam As It Will Soon Require A PSN Account

SIE says due to “technical issues at the launch of Helldivers 2, we allowed the linking requirements for Steam accounts to a PlayStation Network account to be temporarily optional. That grace period will now expire.” That expiration begins on May 6 for new players and June 4 for current players. 

While frustration is understood, it’s important to note a PlayStation console is not required to create a PSN account – creating one is free and can be done online, no PlayStation 5 required. SIE encourages players to do so ahead of the June 4 change. 

“We understand that while this may be an inconvenience to some of you, this step will help us continue to build a community that you are all proud to be a part of,” the announcement reads. 

For more, read about the Democratic Detonation premium Warbond that drops into Helldivers 2 this week, and then read about how the latest Helldivers 2 update increased the level cap, added blizzards and sandstorms, and more. Check out Game Informer’s Helldivers 2 review to find out why we think it’s a must-play game. 


What do you think about these changes? Let us know in the comments below!

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