News
Breaking Barriers: XB-1 Demonstrator Soars into the Future of Supersonic Travel
XB-1’s first flight paves the way for supersonic travel, marking a milestone in aviation history. #Boom #XB1 #SupersonicFlight
Last Updated on March 26, 2024 by Rod Washington
Image Credit: Boom Supersonic
The aviation industry is on the brink of a revolution with the recent successful inaugural flight of Boom’s supersonic demonstrator aircraft, XB-1. This groundbreaking achievement brings us one step closer to the return of supersonic travel. Designed as a technology demonstrator, XB-1 aims to pave the way for the development of Overture, Boom’s commercial supersonic plane. With extensive ground testing and meticulous flight testing, the maiden flight of an aircraft is a crucial milestone that encompasses various elements. Let’s delve into the intriguing world of what happens during an aircraft’s first flight.
The Importance of Ground Testing and Taxi Tests
Before an aircraft takes to the skies, rigorous ground testing is conducted to ensure safety and operational requirements are met. These tests encompass a series of checks, including engine runs and comprehensive evaluations of each onboard system. Moreover, taxi tests are crucial in assessing the aircraft’s performance, handling, and maneuverability on the ground. By gradually increasing speeds, the team can gather valuable data that aids in a safe takeoff, landing, and efficient ground operations. These tests provide important insights into the overall functionality and readiness of the aircraft for flight testing.
The Maiden Flight: A Leap into the Unknown
The maiden flight of an aircraft is a momentous occasion that often varies in terms of speed, altitude, and duration. Throughout history, we have witnessed significant milestones, from the historic Wright Brothers’ 12-second flight to the remarkable achievements of modern-day aviation. During a maiden flight, safety and risk mitigation are paramount. The flight envelope, which outlines the operational limits of the aircraft, expands gradually over a series of test flights as performance data is analyzed.
In the case of XB-1’s inaugural flight, Chief Test Pilot Bill “Doc” Shoemaker assumed control, while Test Pilot Tristan “Geppetto” Brandenburg monitored the aircraft from a T-38 chase plane. Climbing to a maximum altitude of 7,120 feet and a speed of 238 knots (273 mph) during the 12-minute flight, XB-1 successfully met all test objectives. The ground team, led by Vice President of XB-1 Jeff Mabry, played a crucial role in monitoring and analyzing the flight’s various aspects.
Evaluating Performance and Assessing Safety
During a maiden flight, meticulous observations are made to analyze the aircraft’s handling qualities, airspeed, and stability. An augmented reality vision system equips the pilot with improved runway visibility and enhanced aerodynamic efficiency, without compromising weight and complexity. This innovative system assists the pilot during critical phases such as landing, providing real-time data on attitude and flight path indications.
Safety measures during the maiden flight often include keeping the landing gear down. This ensures that the primary focus remains on evaluating other aspects of the aircraft’s performance during takeoff and landing. Should an emergency landing be necessary, testing the landing gear in subsequent flights allows for additional verification and validation.
XB-1’s successful first flight demonstrated the effectiveness of the team’s coordinated efforts. The pilots flew while ground engineers observed from the control room, providing insights into the various systems they had designed and tested for the past two years. The collaboration between the pilot, augmented reality vision system, and Landing Signal Officer (LSO) ensured a safe landing by optimizing the aircraft’s final approach and flight path.
The Path to the Future: Overture and the Return of Supersonic Travel
The inaugural flight of XB-1 represents a significant step towards the return of supersonic travel. As a technology demonstrator, XB-1 has laid the foundations for the design and development of Overture, Boom’s commercial supersonic plane. Overture, capable of carrying 64-80 passengers at Mach 1.7, aims to revolutionize air travel by reducing the time taken for long-haul journeys. Moreover, sustainability is a fundamental aspect of Overture’s design, with the aim of utilizing up to 100% sustainable aviation fuel (SAF)
The maiden flight of an aircraft like XB-1 marks a defining moment in the development of supersonic aviation technology. Meticulous ground testing, followed by a successful first flight, brings us closer to the realization of supersonic travel. XB-1’s flight serves as a testament to the dedication, expertise, and collaborative efforts of the team involved. With Overture on the horizon, the return of supersonic travel is becoming an exciting reality. The aviation industry is poised to break more barriers in the pursuit of safer, faster, and more sustainable air travel.
https://boomsupersonic.com/flyby/inaugural-first-flight-xb1-supersonic-demonstrator
https://stmdailynews.com/category/science/
Food Truths
The Truth About the “Chemical” in McDonald’s Burger Buns: Should Consumers Be Concerned?
What’s in the Burger Buns:The “yoga mat chemical” controversy changed how consumers view food additives. Here’s what azodicarbonamide is, why McDonald’s removed it, and what the science actually says.
For years, headlines and social media posts have warned consumers about a so-called “yoga mat chemical” found in hamburger buns served by major fast-food chains. The claims sparked widespread concern, prompted petitions, and eventually led several restaurant companies—including McDonald’s—to change their recipes.
But what was the chemical, and is there actually a health risk today?
What Was the Controversial Ingredient?
The ingredient at the center of the controversy was azodicarbonamide (ADA), a chemical used as a dough conditioner. It helped improve the texture of bread, making dough easier to handle and producing softer, more consistent buns.
Ironically, the same compound is also used in manufacturing certain foamed plastics, including some yoga mats and shoe soles. That connection gave rise to the viral nickname, “the yoga mat chemical.”
While the comparison was technically accurate, it also lacked important context. Food-grade azodicarbonamide and industrial applications are very different, and many chemicals have multiple uses across industries.
Why Did People Become Concerned?
The concern wasn’t simply that ADA was used in food. Scientists focused on what happens during baking.
When bread is baked, most azodicarbonamide breaks down into other compounds. Some laboratory studies involving animals raised questions about one of these breakdown products, called semicarbazide (SEM), when administered in high doses.
Those findings prompted some countries to take a more cautious regulatory approach.
Why Is It Banned in Some Countries?
The European Union and Canada do not permit azodicarbonamide as a flour treatment agent. Their food safety policies often follow the precautionary principle, removing ingredients when safer alternatives exist or when scientific uncertainty remains.
In contrast, the U.S. Food and Drug Administration has determined that azodicarbonamide is safe when used within approved limits.
These differing regulations don’t necessarily mean one side believes the ingredient is dangerous while the other believes it is harmless. Instead, they reflect different philosophies about regulating food additives.
Does McDonald’s Still Use It?
No.
McDonald’s removed azodicarbonamide from its U.S. hamburger buns in 2014 following growing consumer demand for simpler ingredient lists.
Today’s buns no longer contain the ingredient, joining a broader trend among food manufacturers to eliminate additives that have become controversial with consumers.
Are There Other Ingredients Consumers Should Know About?
Modern commercial bread still contains ingredients designed to improve freshness, texture, and shelf life.
These may include:
- Calcium propionate to prevent mold
- Ascorbic acid (Vitamin C) as a dough conditioner
- Enzymes that improve consistency
- Emulsifiers that help maintain softness
These ingredients have been evaluated by food safety agencies and are generally recognized as safe when used according to regulations.
The Bigger Health Picture
Nutrition experts generally agree that focusing on one ingredient can distract from the larger issue.
The greatest health risks associated with fast food are more closely linked to:
- High sodium intake
- Excess saturated fat
- Added sugars
- Large portion sizes
- Frequent consumption of ultra-processed foods
An occasional fast-food meal is unlikely to determine someone’s long-term health. Overall dietary patterns, physical activity, sleep, and other lifestyle factors have a much greater impact.
Consumer Awareness Is Changing the Food Industry
Whether or not an ingredient poses a measurable health risk, public concern can influence corporate decisions.
Over the past decade, many food companies have reformulated products to remove controversial ingredients, reduce artificial additives, and simplify ingredient labels. In many cases, those changes have been driven as much by consumer preferences as by regulatory requirements.
The Bottom Line
The “yoga mat chemical” story captured public attention because it combined science, food safety, and memorable marketing. While azodicarbonamide was once used in some hamburger buns, including those supplied to McDonald’s, the company removed it from its U.S. buns years ago.
Current evidence suggests consumers are better served by paying attention to their overall diet rather than worrying about a single ingredient that has already disappeared from many products.
Being an informed consumer means looking beyond the headlines, understanding the science, and recognizing that nutrition is about the complete picture—not just one ingredient.
Related External Links
- U.S. FDA – Food Additives & GRAS Ingredients Information for Consumers
- U.S. FDA – Food Additives and Petitions
- FDA – Azodicarbonamide (ADA) Food Substance Database
- Electronic Code of Federal Regulations – 21 CFR §172.806 (Azodicarbonamide)
- FDA – Types of Food Ingredients and Why They’re Used
- Health Canada – Permitted Flour Treatment Agents
- McDonald’s USA – Nutrition Calculator & Ingredient Information
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STM Blog
Association of Black Cardiologists to Celebrate Legacy and Leadership at 16th Annual Spirit of the Heart Awards
The Association of Black Cardiologists (ABC) is bringing its signature celebration of impact back to New York City this fall—spotlighting leaders and organizations working to make cardiovascular care more equitable, more accessible, and more effective. The 16th Annual Spirit of the Heart Awards Program & Fundraiser is set for Saturday, October 3, 2026 (6:00 p.m.–9:00 p.m.) at Cipriani Wall Street in Manhattan.
For ABC, the evening is more than a high-profile awards program. It’s a cornerstone fundraising event that helps power the organization’s year-round work—supporting medical student scholarships, fellowships, education, and programs designed to strengthen the pipeline of diverse clinicians and researchers while improving outcomes in communities that carry a disproportionate burden of heart disease.
A fundraising night with long-term stakes
ABC leaders say the Spirit of the Heart Awards is built around a simple idea: celebrating progress while investing in the people who will drive the next wave of change.
Event co-chair Icilma Fergus, MD—Director of the Cardiovascular Disparities Center at Mount Sinai Medical Center and Board Chair of ABC—framed the night as a forward-looking commitment.
“This gathering is about more than one evening of celebration; it is about investing in the future of cardiovascular health for years to come,” Fergus said in the announcement. She added that the support generated through the event helps expand opportunities for aspiring clinicians, researchers, and leaders whose work can transform care and improve lives nationwide.
Honorary Chairperson: Samin K. Sharma, MD
ABC announced Samin K. Sharma, MD as the event’s Honorary Chairperson. Sharma serves as Chief of Clinical Cardiology, Director of the Cardiovascular Clinical Institute, and the Anandi Lal Sharma Professor of Medicine at the Icahn School of Medicine at Mount Sinai.
In the release, ABC highlighted Sharma’s international reputation in interventional cardiology and physician education, noting that he has trained cardiovascular specialists from around the world while advancing the field through research, mentorship, and patient care.
“I am honored to serve as Honorary Chairperson for this important event,” Sharma said. “The Spirit of the Heart Awards Program reflects the power of partnership, philanthropy, and leadership to advance cardiovascular health.”
A full weekend of impact, including policy
The awards program is part of a broader weekend of programming. On Friday, October 2, ABC will host its Annual Policy Pulse Summit at Venable LLP in New York City, convening leaders to discuss policy issues shaping the future of cardiovascular health.
What to expect at the Spirit of the Heart Awards
ABC is positioning the evening as both a celebration and a community gathering—bringing together leaders from healthcare, philanthropy, industry, and advocacy.
The event will be co-emceed by:
- Sandra Bookman, award-winning journalist and anchor of Eyewitness News on ABC7/WABC-TV New York
- Thomas Cunningham IV, President and Chief Content Officer of BrandCunningham
The program is expected to include:
- Presentation of the Spirit of the Heart Awards
- Recognition of medical student scholarship recipients
- Special guest appearances
- A live auction
- Musical entertainment
Event co-chair Barbara Hutchinson, MD, PhD, President of Chesapeake Cardiac Care, emphasized the role of sustained collaboration in moving the needle on heart health.
“The Spirit of the Heart Awards Program is a reminder that lasting progress in cardiovascular health is achieved through vision, partnership, and sustained commitment,” Hutchinson said.
How to attend, sponsor, or support
ABC is directing attendees and supporters to its event site for tickets, sponsorship opportunities, and donations:
- Event info / tickets / sponsorship / donations: https://abcardioevents.org
About the Association of Black Cardiologists
Founded on the belief that “every heart counts,” the Association of Black Cardiologists works to promote prevention and treatment of cardiovascular disease and to advance health equity by eliminating disparities. ABC’s membership is open to all, regardless of race, ethnicity, or vocation. The organization’s work spans education, advocacy, research, patient and community outreach, and leadership development.
- Organization website: https://abcardio.org
Source and media contact
- Press release source (PRNewswire): https://www.prnewswire.com/news-releases/association-of-black-cardiologists-to-celebrate-legacy-and-leadership-at-16th-annual-spirit-of-the-heart-awards-302206000.html
Media Contact (from the release):
- Akeia Blue, VP of Communications
- 419395@email4pr.com
- 240-321-9227
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Food and Beverage
Millions of Eggs Recalled Over Possible Salmonella Risk: What Consumers Need to Know
A major egg recall is affecting nearly 1.6 million dozen eggs sold under several popular brands. Here’s how to determine if your eggs are included and what steps to take if they are.
News You Can Use This Moment!
Consumers are being urged to check their refrigerators after a major recall involving nearly 1.6 million dozen shell eggs due to the potential presence of Salmonella Enteritidis, a bacterium that can cause serious foodborne illness.
The voluntary recall, announced by Midwest Poultry Services, L.P., affects white shell eggs and brown cage-free eggs produced at two Texas farms and distributed between June 6 and July 3, 2026. According to the U.S. Food and Drug Administration (FDA), the eggs were sold through grocery stores and foodservice distributors in Texas, Louisiana, Oklahoma, Arkansas, Mississippi, and New Mexico.
What Brands Are Included?
The recalled eggs were sold under several familiar brand names, including:
- Kroger
- Simple Truth
- Brookshire’s
- Country Morning
- Sunups
Not every carton under these brands is affected. Consumers should look for:
- Plant Code: P-1950 or 0840962
- Julian Dates: 157 through 184
- Best By/Sell By Dates: July 20, 2026, through August 17, 2026
Why the Recall Matters
Salmonella can cause symptoms including:
- Diarrhea
- Fever
- Stomach cramps
- Nausea
- Vomiting
Symptoms typically begin 12 to 72 hours after eating contaminated food and usually last four to seven days. While many healthy adults recover without treatment, infections can become severe in young children, older adults, pregnant women, and people with weakened immune systems.
The FDA and the Centers for Disease Control and Prevention (CDC) are investigating a multistate outbreak involving 98 confirmed illnesses across 17 states, resulting in 26 hospitalizations. No deaths have been reported. Investigators say the recalled eggs are linked to part of the outbreak, although they do not account for every reported illness.
What Should You Do?
If you have eggs matching the recalled codes:
- Do not eat them.
- Return them to the store for a refund or dispose of them safely.
- Wash your hands thoroughly after handling the carton.
- Clean and sanitize any refrigerator shelves, containers, or kitchen surfaces the eggs may have touched.
If you have already eaten the eggs and develop symptoms of Salmonella infection, contact your healthcare provider, especially if symptoms are severe or persist.
Are Arizona Consumers Affected?
The recalled products were officially distributed in six states, and Arizona is not listed among the primary distribution states. However, because food products can move through wholesalers, travelers, or secondary retailers, Arizona consumers who recently purchased eggs while traveling—or who received eggs from family or friends in affected states—should still check the carton codes.
The Bottom Line
Food recalls are an important part of protecting public health. Taking a few moments to inspect the eggs in your refrigerator could help prevent a serious illness. If your carton matches the recalled plant codes and date range, don’t take the risk—return it or throw it away.
STM Daily News will continue to monitor this developing story and provide updates as additional information becomes available.
Related Resources
- FDA Recalls, Market Withdrawals & Safety Alerts
- FDA Foodborne Illness Outbreak Investigations
- CDC: Salmonella Information
- FoodSafety.gov Consumer Resources
