The world’s first independently developed supersonic jet, the XB-1, has broken the sound barrier in a test flight above the Mojave Desert in California.
The plane on Tuesday reached an altitude of more than 10km during the test before accelerating to Mach 1.1 (1,358kph) – past the speed of sound. XB-1’s supersonic flight marks the first time an independently developed jet has broken the sound barrier.
Boom Supersonic is testing the jet as a prototype to develop the Overture plane in the next decade, which will carry 64 to 80 passengers at about twice the speed of today’s subsonic aircraft and run on up to 100 per cent sustainable aviation fuel.
Two decades after Concorde’s retirement, the XB-1 marks the return of a civil supersonic aircraft to the skies and paves the way for the revival of mainstream supersonic travel.
Carriers including American Airlines, United Airlines and Japan Airlines have already lodged 130 orders for the plane. The company is also working the US government to determine how it could be used for defence purposes.
After its inaugural flight in March 2024, XB-1 completed a rigorous series of 11 human-piloted test flights under increasingly challenging conditions to evaluate systems and aerodynamics.
Over the course of the flight test campaign, the XB-1 team systematically expanded flight speeds through subsonic, transonic and supersonic.
Boom’s XB-1 features state-of-the-art technology to enable efficient supersonic flight including carbon-fibre composites, advanced avionics, digitally optimised aerodynamics and an advanced supersonic propulsion system.
“Today's a day that I've been looking forward to for more than a decade,” said Blake Scholl, Boom’s chief executive, after the test flight. “It is time to bring supersonic flight back, time to bring it back for all of us."
XB-1 is made almost entirely from carbon-fibre composite materials, creating an aerodynamic design that is strong but lightweight. Air is slowed from supersonic to subsonic speeds before entering the plane's engine, efficiently converting kinetic energy into pressure energy, allowing conventional jet engines to power XB-1 from take-off through to supersonic flight.
The XB-1 has two nose-mounted cameras, digitally augmented with attitude and flight path indications that feed a high-resolution pilot display enabling excellent runway visibility. This system enables improved aerodynamic efficiency without the weight and complexity of a movable nose.
Engineers used computer simulations to explore thousands of designs for XB-1, resulting in an optimised one that they say combines safe and stable operation at take-off and landing with efficiency at supersonic speeds.
“Tomorrow, we're back to work because it's time to time to go big. It's time to take this little airplane made out of airliner technology and scale it up,” Mr Scholl said. “Time to bring it back in the mainstream way and we're not going to stop.”
Conflict, drought, famine
Estimates of the number of deaths caused by the famine range from 400,000 to 1 million, according to a document prepared for the UK House of Lords in 2024.
It has been claimed that the policies of the Ethiopian government, which took control after deposing Emperor Haile Selassie in a military-led revolution in 1974, contributed to the scale of the famine.
Dr Miriam Bradley, senior lecturer in humanitarian studies at the University of Manchester, has argued that, by the early 1980s, “several government policies combined to cause, rather than prevent, a famine which lasted from 1983 to 1985. Mengistu’s government imposed Stalinist-model agricultural policies involving forced collectivisation and villagisation [relocation of communities into planned villages].
The West became aware of the catastrophe through a series of BBC News reports by journalist Michael Buerk in October 1984 describing a “biblical famine” and containing graphic images of thousands of people, including children, facing starvation.
Band Aid
Bob Geldof, singer with the Irish rock group The Boomtown Rats, formed Band Aid in response to the horrific images shown in the news broadcasts.
With Midge Ure of the band Ultravox, he wrote the hit charity single Do They Know it’s Christmas in December 1984, featuring a string of high-profile musicians.
Following the single’s success, the idea to stage a rock concert evolved.
Live Aid was a series of simultaneous concerts that took place at Wembley Stadium in London, John F Kennedy Stadium in Philadelphia, the US, and at various other venues across the world.
The combined event was broadcast to an estimated worldwide audience of 1.5 billion.
Jetour T1 specs
Engine: 2-litre turbocharged
Power: 254hp
Torque: 390Nm
Price: From Dh126,000
Available: Now
THE SPECS
Engine: 6.75-litre twin-turbocharged V12 petrol engine
Power: 420kW
Torque: 780Nm
Transmission: 8-speed automatic
Price: From Dh1,350,000
On sale: Available for preorder now
THE%20SPECS
%3Cp%3EEngine%3A%204.4-litre%20twin-turbo%20V8%20hybrid%0D%3Cbr%3EPower%3A%20653hp%20at%205%2C400rpm%0D%3Cbr%3ETorque%3A%20800Nm%20at%201%2C600-5%2C000rpm%0D%3Cbr%3ETransmission%3A%208-speed%20auto%0D%3Cbr%3E0-100kph%20in%204.3sec%0D%3Cbr%3ETop%20speed%20250kph%0D%3Cbr%3EFuel%20consumption%3A%20NA%0D%3Cbr%3EOn%20sale%3A%20Q2%202023%0D%3Cbr%3EPrice%3A%20From%20Dh750%2C000%0D%3Cbr%3E%3C%2Fp%3E%0A
Sole survivors
- Cecelia Crocker was on board Northwest Airlines Flight 255 in 1987 when it crashed in Detroit, killing 154 people, including her parents and brother. The plane had hit a light pole on take off
- George Lamson Jr, from Minnesota, was on a Galaxy Airlines flight that crashed in Reno in 1985, killing 68 people. His entire seat was launched out of the plane
- Bahia Bakari, then 12, survived when a Yemenia Airways flight crashed near the Comoros in 2009, killing 152. She was found clinging to wreckage after floating in the ocean for 13 hours.
- Jim Polehinke was the co-pilot and sole survivor of a 2006 Comair flight that crashed in Lexington, Kentucky, killing 49.
UFC%20FIGHT%20NIGHT%3A%20SAUDI%20ARABIA%20RESULTS
%3Cp%3E%0D%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EMain%20card%3Cbr%3EMiddleweight%3A%3C%2Fstrong%3E%0D%3Cbr%3ERobert%20Whittaker%20defeated%20Ikram%20Aliskerov%20via%20knockout%20(Round%201)%0D%3Cbr%3E%3Cstrong%3EHeavyweight%3A%3C%2Fstrong%3E%0D%3Cbr%3EAlexander%20Volkov%20def%20Sergei%20Pavlovich%20via%20unanimous%20decision%0D%3Cbr%3E%3Cstrong%3EMiddleweight%3A%3C%2Fstrong%3E%0D%3Cbr%3EKelvin%20Gastelum%20def%20Daniel%20Rodriguez%20via%20unanimous%20decision%0D%3Cbr%3E%3Cstrong%3EMiddleweight%3A%3C%2Fstrong%3E%0D%3Cbr%3EShara%20Magomedov%20def%20Antonio%20Trocoli%20via%20knockout%20(Round%203)%0D%3Cbr%3E%3Cstrong%3ELight%20heavyweight%3A%3C%2Fstrong%3E%0D%3Cbr%3EVolkan%20Oezdemir%20def%20Johnny%20Walker%20via%20knockout%20(Round%201)%0D%3Cbr%3E%3Cstrong%3EPreliminary%20Card%0D%3Cbr%3ELightweight%3A%3C%2Fstrong%3E%0D%3Cbr%3ENasrat%20Haqparast%20def%20Jared%20Gordon%20via%20split%20decision%0D%3Cbr%3E%3Cstrong%3EFeatherweight%3A%3C%2Fstrong%3E%0D%3Cbr%3EFelipe%20Lima%20def%20Muhammad%20Naimov%20via%20submission%20(Round%203)%0D%3Cbr%3E%3Cstrong%3EWelterweight%3A%3C%2Fstrong%3E%0D%3Cbr%3ERinat%20Fakhretdinov%20defeats%20Nicolas%20Dalby%20via%20split%20decision%0D%3Cbr%3E%3Cstrong%3EBantamweight%3A%3C%2Fstrong%3E%0D%3Cbr%3EMuin%20Gafurov%20def%20Kang%20Kyung-ho%20via%20unanimous%20decision%0D%3Cbr%3E%3Cstrong%3ELight%20heavyweight%3A%3C%2Fstrong%3E%0D%3Cbr%3EMagomed%20Gadzhiyasulov%20def%20Brendson%20Ribeiro%20via%20majority%20decision%0D%3Cbr%3E%3Cstrong%3EBantamweight%3A%3C%2Fstrong%3E%0D%3Cbr%3EChang%20Ho%20Lee%20def%20Xiao%20Long%20via%20split%20decision%3C%2Fp%3E%0A
UAE currency: the story behind the money in your pockets
Tips to stay safe during hot weather
- Stay hydrated: Drink plenty of fluids, especially water. Avoid alcohol and caffeine, which can increase dehydration.
- Seek cool environments: Use air conditioning, fans, or visit community spaces with climate control.
- Limit outdoor activities: Avoid strenuous activity during peak heat. If outside, seek shade and wear a wide-brimmed hat.
- Dress appropriately: Wear lightweight, loose and light-coloured clothing to facilitate heat loss.
- Check on vulnerable people: Regularly check in on elderly neighbours, young children and those with health conditions.
- Home adaptations: Use blinds or curtains to block sunlight, avoid using ovens or stoves, and ventilate living spaces during cooler hours.
- Recognise heat illness: Learn the signs of heat exhaustion and heat stroke (dizziness, confusion, rapid pulse, nausea), and seek medical attention if symptoms occur.
Tewellah by Nawal Zoghbi is out now.
'Nightmare Alley'
Director:Guillermo del Toro
Stars:Bradley Cooper, Cate Blanchett, Rooney Mara
Rating: 3/5
Results
5pm: Al Maha Stables – Maiden (PA) Dh80,000 (Turf) 1,600m; Winner: Reem Baynounah, Fernando Jara (jockey), Mohamed Daggash (trainer)
5.30pm: Wathba Stallions Cup – Maiden (PA) Dh70,000 (T) 1,600m; Winner: AF Afham, Tadhg O’Shea, Ernst Oertel
6pm: Emirates Fillies Classic – Prestige (PA) Dh100,000 (T) 1,600m; Winner: Ghallieah, Sebastien Martino, Jean-Claude Pecout
6.30pm: Emirates Colts Classic – Prestige (PA) Dh100,000 (T) 1,600m; Winner: Yas Xmnsor, Saif Al Balushi, Khalifa Al Neyadi
7pm: The President’s Cup – Group 1 (PA) Dh2,500,000 (T) 2,200m; Winner: Somoud, Adrie de Vries, Jean de Roualle
7.30pm: The President’s Cup – Listed (TB) Dh380,000 (T) 1,400m; Winner: Haqeeqy, Dane O’Neill, John Hyde.
