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While stablecoins have seen a breakthrough in terms of their adoption ever since their issuance in 2014, their functional dependence on that of fiat has its own flipside. Stablecoins have a centralized control system and stay vulnerable to inflation; crypto-backed stablecoins tried to provide an alternative to this but have their own share of risks.

Helio Protocol presents an alternative to this with the introduction of “Destablecoins”, a new type of asset class that seeks to represent a new and innovative model in the present picture of stablecoins. 

What is Helio Protocol?

Helio Protocol is a liquidity protocol that is open-sourced and useful for earning and borrowing yield on the HAY destablecoin. The platform will operate as a DAO with the community being at the forefront of governing the revenue pool, treasury, and future direction of the protocol. 

The multi-layer platform has a dual token model and mechanisms that help users do instant conversions, borrowing, over-collateralization, staking, and yield farming. 

What is Destablecoins?

Destablecoins are a new decentralized asset class that is over-collateralized with a liquid-staked asset BNB. Helio is striving to leverage Proof-of-Stake rewards, liquid staking, and yield-bearing assets and establishing HAY as one of the leading destablecoins in the BNB ecosystem.

The tokens, being decentralized in nature, look to achieve stability without any regulatory authorities or influences without a peg to fiat currencies. While all currencies are different and can have varying rates of reference, price fluctuations should be considered as a norm defined by the market instead of aiming for a sense of absolute price stability. 

Liquid staking and collaterals

HAY is generated and backed through collateral assets which are deposited in the Helio Protocol CeVault. Users who collateralize their BNB would be also investing in the broader Helio ecosystem and can borrow HAY to gain yield from staking. 

Reduced borrowing interests 

Helio Protocol has reduced its borrowing interests temporarily to 0% when using BNB as collateral, giving users a golden opportunity to borrow on the platform. As they use liquid staking derivatives in BNB, the real yield on BNB collaterals can be earned and distributed to HAY stakers and LP providers. 

With a 0% borrowing rate for HAY, users are encouraged to borrow more which in turn will post more collateral on the platform thereby enabling higher liquid staking rewards.

The platform is also going to run an inaugural NFT collection campaign called #VerifiedGuardian to support these reduced borrowing interests with a collection that will be marketed to be unique with additional utility for holding the NFT. 

Partnering with USDFi and FRAX

Helio Protocol became an official launch partner of USDFi, giving users a chance to trade, stake, and earn fees with $HAY pools on the decentralized exchange. It will be available on the USDFi Money Markets for borrowing and lending.

The platform is also having a strategic partnership with Frax Finance in order to strengthen the dominance and partnership of decentralized stablecoins. This collaboration also involves co-incentivizing FRAX and HAY liquidity pools on the Thena Fi and Wombat exchange as well as other co-marketing and partnership activities. 

Final word

With a reduced borrowing interest, Helio Protocol is giving users a great chance to invest in their broader ecosystem. The #VerifiedGuardian campaign with its limited edition NFTs is also aimed at attracting more users into the space. With 215 users getting a chance to win 10,000 HAY.

For more information on Helio Protocol, please check out their official website.

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School Of Medicine Class Of 2023: “Unprecedented Times Created A Truly Unprecedented Class”

School of Medicine Class of 2023: “Unprecedented Times Created a Truly Unprecedented Class” MED presented 318 master’s degrees, 17 PhDs, and 164 medical degrees, 10 of them combined: 5 MD/PhDs, an MD/MPH, and 4 MD/MBAs

Graduate Medical Sciences master’s degree candidates before their convocation ceremony.


School of Medicine Class of 2023: “Unprecedented Times Created a Truly Unprecedented Class” MED presented 318 master’s degrees, 17 PhDs, and 164 medical degrees, 10 of them combined: 5 MD/PhDs, an MD/MPH, and 4 MD/MBAs

Even a cold, drizzly day Thursday couldn’t dampen the high spirits of graduate students and doctors from the Boston University School of Medicine celebrating the first in-person convocation since 2023.

“Graduation is one of the most joyous annual events of academic life, a day of celebration with your family and friends,” Karen Antman, dean of MED and provost of the Medical Campus, told two groups of students and guests at BU’s Track & Tennis Center. MED held two separate convocations: a morning ceremony for Graduate Medical Sciences master’s degree recipients and an afternoon ceremony for those who earned MDs and PhDs.

The graduating MD/PhD students asked convocation speaker Nahid Bhadelia, a MED associate professor of medicine, infectious diseases, to address healthcare inequities. As founding director of the BU Center for Emerging Infectious Diseases Policy & Research, Bhadelia, who has served as a subject-matter expert at the state, federal, and international levels on issues of pandemic preparedness and impacts, is well-positioned to reflect on the past two years and on the road ahead.

“You cannot speak about epidemics without speaking of inequities,” she said. “The fact that we can create silver bullets like safe and effective vaccines and treatments and continue to have a global pandemic rage into a third year is a reflection of the fact that not everyone has equal access or voice.”

In the video above, School of Medicine convocation speaker Nahid Bhadelia, a MED associate professor of medicine, infectious diseases, tells graduates: “Today you are graduating at perhaps the most medically challenging time in the last century.” Video by BU Productions

MED’s primary teaching affiliate, Boston Medical Center, is New England’s largest safety net hospital, and many who attend the BU school are attracted by the opportunities offered in learning how to help low-income, underserved, and marginalized communities.

“Today you are graduating at perhaps the most medically challenging time in the last century,” Antman said. “Your unique experiences in medical school and graduate school, that you certainly did not anticipate when you applied, required creativity, adaptability, and commitment—all skills that are essential in science and medicine.”

MED presented 318 master’s degrees and 164 medical degrees to the Class of 2023, including 10 combined degrees with 5 MD/PhDs, an MD/MPH, and 4 MD/MBAs; 17 candidates received a Doctor of Philosophy in their respective specialty.

In an especially poignant moment, Aram Chobanian (Hon.’06), BU president emeritus and former MED dean and Medical Campus provost, hooded his granddaughter Vanessa Torrice as she became a newly minted Doctor of Medicine.

BU President Emeritus Aram Chobanian (Hon.’06), former dean of the School of Medicine and former provost of the Medical Campus, hoods granddaughter Vanessa Torrice (MED’22) as she receives her MD May 19.

“This was a very moving experience for me, one of the best in my life,” Chobanian said. “She amazed us all the way through, so it’s very special…and I never thought I’d make it to the day when a granddaughter actually became a physician.”

Speaking for the PhD class, Jeffrey Kuniholm (MED’22), who completed a doctorate in microbiology, with a focus on immunology and infectious diseases, saluted classmates for their efforts in treating patients and doing vital research work on COVID-19 even as the rest of the world shut down.

“Today, we reap the rewards of the hard work and tenacity of those in the medical and research community who dropped everything to answer the call of our times,” he said.

Medical student speaker Tiffany Chan (MED’22) told her classmates that the reality of medical school was different from what she’d imagined, and not just because of the pandemic.

“Being a doctor was supposed to be about being a hero, but instead it’s about being a supportive role in the patient’s story,” Chan said. “Our proudest moment as doctors won’t be something we do…but will be the day our patients no longer need us and can be on their own again.”

Bhadelia commended the efforts of students over the past two years in mobilizing to alleviate the shortage of personal protective equipment, conducting critical research, meeting patient needs despite interruptions to rotations and schedules, educating others on the science behind the disease, and their activism on behalf of the voiceless and underserved.

Newly minted physicians reciting the Hippocratic Oath, underling their entrance into the practice of medicine.

Thursday marked the first time Physician Assistant (PA) Program graduates participated in the GMS convocation; in prior years, they had a separate ceremony later in the year.

“Your class will always have a unique perspective,” said C. James McKnight, GMS dean and associate provost, told the master’s candidates at the morning ceremony. “Some of you were locked out of your research labs for months, and then only allowed back in shifts and small groups. Some of you were unable to do in-person clinical rotations for several months. But your class made a difference to GMS by their patience, perseverance, and resiliency in meeting this challenge.”

“These unprecedented times created a truly unprecedented class,” said Kara McNeil (MED’22), PA Program class president and student convocation speaker. “I spent the first months locked in my apartment, getting groceries delivered, doing classes via Zoom, and only seeing friends and family via Facetime.”

“I have watched this class grow and learn, not only the science, but also the importance of compassion, dignity, and health equity,” she said. “We’ve explored issues of race, sexuality, weight stigma, homelessness, substance abuse, and countless others. This is the part of our education that will shape the kind of providers we become.”

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A Record 60,000 Apply To Bu’s Freshman Class

A Record 60,000 Apply to BU’s Freshman Class One reason for surge: more applicants of color

BU saw increases in the number of African American and Hispanic applicants this year. Photo by Janice Checchio

Kelly Walter and her BU Admissions crew have logged a lot of frequent flyer miles of late, visiting 2,000-plus high schools around the globe in search of prospective Terriers. Their exertions paid off: the University has broken the 60,000 mark for freshman applicants for the first time, with students of color driving the surge.

Walter, associate vice president for enrollment and executive director of admissions, says BU has received 60,701 applications, to be precise, for the Class of 2023, which aims to enroll 3,400 freshmen. The number of applications is 6 percent greater than last year’s applicant pool.

“BU is the first institution in New England to exceed 60,000 fall freshman applications,” says Walter, adding that she knows of only one private school, New York University, with a larger applicant pool. (Some mega-sized public universities receive applications in the six digits.) Data for applicant numbers are shared among universities and are available from other sources, such as the federal government.

Burgeoning applicant numbers are “a testimony to the growing reputation of Boston University as a major research university,” says President Robert A. Brown. Other factors, he says, are continuing refinement of the University’s academic programs and “the interest of today’s undergraduate student in the very urban and global experience that is our hallmark.”

Walter says no single BU school or college is driving the application surge.

The bigger pool mainly comes from US applicants, “and in particular underrepresented minority students,” she says. Roughly 4,300 African Americans applied, representing 7 percent of the applicant pool and a 15 percent jump over last year’s percentage of black applicants.

Hispanic and Latino applicants, at 6,150, exceed 10 percent of the applicant pool, and mark a 9 percent increase over last year.

Walter believes that new recruitment efforts played a key role in this year’s record pool. “We expanded our multicultural student outreach and access initiatives,” she says, with BU representatives visiting 105 community-based organizations. The University added a second contingent of students from California’s Bay Area to its Posse Foundation scholars, awarding scholarships to high-achieving urban high schoolers.

International applications rose just 3 percent, although at more than 13,000, they represent more than one-fifth of the applicant pool, according to Walter. Those would-be students come from 162 countries.

“There is a significant increase in students applying to BU under our binding Early Decision program,” she says, with the two rounds under the program drawing more than 4,100—up 22 percent over the previous year. Admissions among those early-bird applicants will make up more than a third of the Class of 2023, she forecasts.

Walter says her office also attempted to bring more applicants to campus, because campus visits boost the likelihood of applying and enrolling. Almost 78,000 prospective students visited campus, a 14 percent increase. The Admissions office also upped its recruiting on social media.

“Whether on Facebook, Twitter, or Instagram, social media is a primary means of engagement,” she says.

The average GPA of the applicant pool is 3.7. The average SAT score is 1357 (out of a possible 1600); the average ACT score is 30 (of a possible 36).

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C++ Program To Access Private Members Of A Class

Private members of a class are only accessed by the members of the class. This is done to preserve the object-oriented paradigm encapsulation, which ensures data and its related functions are kept in one unit and only accessible only from a member of that class. C++ has three different access specifiers to specify the visibility of the members of a class. The three access specifiers are −

Public − If a member of a class has the visibility public, then the members can be accessed from any other class.

Private − Class members having private visibility can be accessed from within the class only.

Protected − protected class members can be accessed from with9in the class or from its subclasses only.

For this article, we will focus on accessing private members of the class only.

Using getter and setter methods for data members

Getter and setter functions are used to access and modify the private members of a class. As the name suggests, the getter functions return the data members, and the setter functions are used to ‘set’ or modify the data members. We take two examples to understand the concept further, but before that the basic syntax is given below.


Getter/ Accessor functions −

private: public: }

Setter/Mutator functions −

private: public: } Example

using namespace std;

class Test{ private: int value; public: int getValue() { } void setValue(int _value) { } };

int main(){ Test test; test.setValue(15); cout << “The value we set is: ” << test.getValue() << endl; return 0; }

Output The value we set is: 15 Accessing member functions from inside another function

The same thing holds when we are accessing a private member function. We have to access it from inside a class member method in the same way as we did for a data member. We can use the ‘this’ pointer for avoiding name collisions.

Syntax private: public: }

The function that is calling the private member function should be declared public. The function will only execute if the public function is called from the object of that class.


using namespace std;

class Test{ private: int value; void multiplyValue() { } public: int multiplyAndGetValue() { } void setValue(int _value) { } };

int main(){ Test test; test.setValue(15); cout << “The value after setting and multiplying is: ” << test.multiplyAndGetValue() << endl; return 0; }

Output The value after setting and multiplying is: 150 Using friend classes

A friend class in C++ is a class that can access the private and protected members of a class that are not visible from any other class. To declare a class as a friend of another class, the keyword ‘friend’ is to be used. Let’s take a look at how it works.

Syntax class A{ private: ..... friend class B; }; class B{ }; Example

using namespace std;

class Test1{ private: int value; public: Test1(int _value) { } friend class Test2; };

class Test2{ public: void display(Test1 &t) { cout << “The value of Test1 object is: ” << t.value; } };

int main(){ Test1 test1(15); Test2 test2;

test2.display(test1); return 0; }

Output The value of Test1 object is: 15 Using friend functions

Friend functions in C++ are similar to that of friend classes. Here, we can declare a particular function that is not a member of a class as a ‘friend’ and it will gain the access to a class’s private members. Let’s take a look at the syntax of how to define a function as ‘friend’.

Syntax class A{ private: ..... }; } Example

using namespace std;

class Test1{ private: int value; public: Test1(int _value) { } friend void display(Test1); };

void display(Test1 t) { cout << “The value of Test1 object is: ” << t.value; }

int main(){ Test1 test1(55); display(test1); return 0; }

Output The value of Test1 object is: 55 Conclusion

When we are accessing the private data members of a class, we preferably use the accessor/getter and the mutator/setter functions. That is the safest way to access the data members of the class. One thing to be always kept in mind is that the functions that are accessing the private members should be declared as public. Friend functions are not available in other object−oriented languages because this does not maintain the object−oriented encapsulation property always. Friends are not mutual, if class A has declared class B as a friend, then class B will have access to all the members of A but A will not have access to all the private members of B.

Introducing Robert Brown, Part 1

Introducing Robert Brown, Part 1 “Me, a map, and a notebook”

Robert Brown. Photo by Kalman Zabarsky

This is the first in a two-part series profiling BU’s tenth president, Robert Brown. The second installment will appear on BU Today this Thursday.

And following a yearlong nationwide search, the committee needed to look no farther than across the Charles River, to MIT, where for the past 25 years chemical engineer Robert Brown had been quietly earning a reputation as an innovative researcher and, as that institution’s provost for the past 7 years, as a savvy budgetary manager and capital planner. Brown was named president of Boston University on June 4 and took office on September 1, at which time former School of Medicine Dean and Medical Campus Provost Aram Chobanian stepped down as president and returned to the Medical Campus as a professor and researcher.

“At the end of that year, Bob Brown emerged as the single most compelling individual to lead our institution,” says David F. D’Alessandro. A vice chairman of the Board of Trustees, D’Alessandro headed the search committee, which included seven other trustees, four faculty members, two deans, and a student. “He is a rare combination of scholar, teacher, innovator, and someone who has the vision and administrative strength to set a forward-looking tone and agenda for this very diverse, multifaceted community.”

Brown, in turn, was drawn to BU in part because of “the role it plays in Boston, which is extensive and quite different from many other private universities in the area,” he says. “BU truly is a great urban university, in addition to being a university of the region and of the world.”

Moreover, BU’s sheer complexity enticed him: “One of the things that stands out in my mind about the University is the breadth and depth of its undergraduate program and its commitment to a broad education,” he says. “On top of that base, students have the ability to launch their career in a professional school, whether studying communications, management, or engineering, or in the arts. That kind of variety is a hugely valuable part of BU. And it excites me.”

Making his mark

Raised by a working single mother in San Antonio, Tex., Brown, 53, was the first of his family to attend college. As an undergraduate at the University of Texas at Austin, his passion for science and mathematics led him to pursue engineering, he says, because “I had a sense that engineers could make an impact on the world.”

After earning bachelor’s and master’s degrees from the University of Texas at Austin and a doctorate from the University of Minnesota, all in chemical engineering, Brown began his career as an assistant professor of chemical engineering at MIT in 1979, directly out of graduate school. “I entered academia with a simple purpose: to teach and do research,” he says. “I kept my head down.”

But not for long. Brown, an expert in fluid dynamics who has published more than 200 scientific papers and is a member of the National Academy of Sciences and the American Academy of Arts and Sciences, soon was attracted to administrative work. He became chairman of his department in 1989, dean of engineering in 1996, and provost in 1998. “I get great satisfaction out of getting people together in a room,” he says, “getting them working together, and trying to build a consensus.”

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Meet Spacetop, A Radical New Laptop With No Screen

And you know what? It works.

It’s immediately apparent that something is different. Clamshell laptops fold flat, and thin; the Sightful Spacetop looks more like a rubberized, squarish calzone, wrapped in the sort of protective cover you’d see enfold an Apple iPad or Amazon Kindle. Unfold the cover, and what makes the Spacetop special is revealed: a pair of thin, tethered, augmented glasses that sit where you’d expect to find the laptop’s display planted.

Put simply, the Sightful Spacetop is designed for business travelers who want a laptop with a massive, private “display” that no one else can see. Put the glasses on, and a massive, curved virtual monitor appears before you, reaching above, below, and to the sides. You can pin and resize windowed apps: Gmail, YouTube, Word, Microsoft Teams. The Spacetop is a device that you could use on a plane flight (if you don’t mind the odd looks), in a business or airport lounge (ditto), or even working in a conference room where you’d like a bigger screen.

Spacetop’s surprisingly simple hardware

Looking through the HoloLens was like looking through a porthole: the field of view (30 degrees horizontal, 17 degrees vertical) was much smaller than the 53-degree diagonal FOV the Spacetop provides. That’s a decent compromise between focusing on a task and being aware of your surroundings, the excuse Microsoft used. Sightful puts most of the “viewscreen” to the top of your vision, so there’s a clear, unobstructed way of seeing anything at your feet that you might stumble over.

The Spacetop resolution is somewhat less than, say, the Meta Quest, which provides 1720×1890 pixels per eye, and at 72Hz to 120Hz. But the Meta Quest lineup is designed for virtual reality, and the Spacetop supplies augmented reality—which is to say that the default view is like looking through a pair of sunglasses, a neat cheat to darken the background without totally occluding it. That still means that you’ll prefer a “light” desktop theme to contrast the windows with the background.

Hands-on with the Sightful Spacetop

We had a short time to play around with the Spacetop, guided by chief executive Tamir Berliner and chief technical officer Tomer Kahan. (Their backgrounds bode well for Sightful’s success: Berliner co-founded PrimeSense, whose technology gave us the Microsoft Kinect and the iPhone’s Face ID. Kahan worked at N-Trig, a company later acquired by Microsoft to develop the Surface Pen. Both employees worked at Magic Leap, then left when the company re-oriented on the enterprise market. )

Inside each window Berliner trustingly put real data: a Gmail window, a calendar, YouTube, and more. Navigating through them is the same as in Windows: You use the trackpad to drag a cursor around, resize windows, and reposition them on the screen. Unlike Meta, there are no goofy controllers; this experience feels so similar to a laptop that I picked it up almost immediately.

This is a mockup by SIghtful, but it’s pretty accurate. I recall the background being darker, however.


The only key differences are in a gesture: a three-finger swipe up and down on the touchpad brings the curved “screen” closer or further away. This not only helps make the experience more comfortable, but also allows you to “lean in” to a given window for a closer look. In an interesting HoloLens-esque touch, the display can be “pinned” to a given location, then recalled to the laptop by tapping both Shift keys simultaneously.

A small “taskbar” floats in the center of your screen, allowing you to add windows and select apps. Since this is an open-source Android OS, the selection of apps leans heavily on productivity (office apps, basically).

I used the Meta Quest Pro’s virtual workspace, and Spacetop blows it away. For one, even with a very odd prescription (one eye is near-sighted, and one far-sighted) the default corrective lenses Sightful had available worked well. Text was sharp and usable, and I’d attribute any blurriness to my eyes, not the hardware. I don’t recall any lag when moving my head back and forth, and while the 75Hz lenses weren’t as easy to work with as a high-refresh-rate screen, I didn’t walk away with any of the vertigo I did with the Quest Pro. In part, that’s because of the lens arrangement: there’s a clear space at the bottom of your field of vision to see the keyboard; Meta tried to carve out a portion of its VR space to achieve the same effect, and it didn’t work.

There’s one neat trick that the Spacetop does that you won’t see anywhere else. The small Spacetop logo can be tapped to dismiss the UI entirely, returning you to “reality mode” to pay close attention to a coworker. But the logo can also change, transforming into a glyph that others can scan with their phone to share files—or, as Berliner reveals—eventually to join a collaborative whiteboarding session.

You can use the Spacetop’s small logo button to create glyph links to various shared documents and eventually experiences.


Remember, the Spacetop does include a pair of 10Gbps USB-C ports, with DisplayPort 1.4 capabilities—so if you’re dying for an external monitor, it appears the Spacetop can assuage those concerns.

Grab a Spacetop while you can

We’re left with the same impression that Magic Leap instilled: This is terrific technology, but at $2,000, a steep investment. Sightful’s public stance, however, is impressive: Rather than hype up an unproven technology, it’s remained very focused on selling the Spacetop as a productivity solution. This is not a frivolous device at all.

The Sightful Spacetop

Mark Hachman / IDG

Remember, there are only 1,000 (right now) Spacetops to go around. If you want one, you’ll have to sign up at chúng tôi to apply.

Correction: Wistron is based in Taiwan, not China.

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