SpaceX successfully caught a first-stage booster rocket on Sunday as it returned to the launch pad during a test flight, achieving another novel engineering feat in the company's effort to build a reusable Moon and Mars vehicle.
The Super Heavy booster lifted off from SpaceX's Boca Chica, Texas launch pad, sending the Starship second-stage rocket towards space before separating at an altitude of about 70km to begin its return to land – the most testing part of the flight.
The booster re-lit three of its 33 Raptor engines to slow its rapid descent back to SpaceX's launch site, as it aimed for the launch pad and tower from where it left. The 120 metre-tall tower is fitted with two large metal arms.
With its engines roaring, 71 metre-tall Super Heavy booster fell into the launch tower's enclosing arms, hooking itself in place with protruding bars under the fins it had used to steer itself through the air.
“The tower has caught the rocket.” SpaceX chief executive Elon Musk wrote on X after the catch. SpaceX engineers watching the company's live stream roared in applause.
The novel catch-landing method marked the latest advance in SpaceX's test-to-failure development campaign for a fully reusable rocket designed to lift more cargo into orbit, ferry humans to the Moon for Nasa and eventually reach Mars – the ultimate destination envisioned by Mr Musk.
Meanwhile Starship, the rocket system's second stage or top half, cruised at more than 27,300 kph, 140km up in space, heading for the Indian Ocean near Western Australia to demonstrate a controlled splashdown about 90 minutes into flight.
As Starship re-entered Earth's atmosphere horizontally, on-board cameras showed a smooth, pinkish-purple hue of superhot plasma blanketing the ship's Earth-facing side and its two steering flaps – intense hypersonic friction in a glowing aura.
The ship's hot side is coated with 18,000 heat-shielding tiles that were improved since SpaceX's last test in June, when Starship completed its first full flight to the Indian Ocean but suffered tile damage that made its re-entry difficult.
Starship this time appeared to be more intact on reigniting one of its six Raptor engines to position itself upright for the simulated ocean landing.
The SpaceX live stream showed the rocket touching down in the night waters far off Australia's coast, then toppling on its side, concluding its test mission.
A separate camera view from a vessel near the touchdown site showed the ship exploding into a vast fireball, as SpaceX engineers could be heard on the live stream whooping in celebration. It was unclear whether the explosion was a controlled detonation or the result of a fuel leak.
Mr Musk said the ship landed “precisely on target”.
Starship, first unveiled by Mr Musk in 2017, has exploded several times in various stages of testing on past flights, but successfully completed a full flight in June for the first time.
The US Federal Aviation Administration on Saturday approved SpaceX's launch licence for the fifth test, after weeks of tension between the company and the regulator.
GAC GS8 Specs
Engine: 2.0-litre 4cyl turbo
Power: 248hp at 5,200rpm
Torque: 400Nm at 1,750-4,000rpm
Transmission: 8-speed auto
Fuel consumption: 9.1L/100km
On sale: Now
Price: From Dh149,900
Specs
Engine: Duel electric motors
Power: 659hp
Torque: 1075Nm
On sale: Available for pre-order now
Price: On request
MATCH INFO
Uefa Champions League, Group B
Barcelona v Inter Milan
Camp Nou, Barcelona
Wednesday, 11pm (UAE)
The%20specs
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Chef Nobu's advice for eating sushi
“One mistake people always make is adding extra wasabi. There is no need for this, because it should already be there between the rice and the fish.
“When eating nigiri, you must dip the fish – not the rice – in soy sauce, otherwise the rice will collapse. Also, don’t use too much soy sauce or it will make you thirsty. For sushi rolls, dip a little of the rice-covered roll lightly in soy sauce and eat in one bite.
“Chopsticks are acceptable, but really, I recommend using your fingers for sushi. Do use chopsticks for sashimi, though.
“The ginger should be eaten separately as a palette cleanser and used to clear the mouth when switching between different pieces of fish.”
The specs: 2019 Mini Cooper
Price, base: Dh141,740 (three-door) / Dh165,900 (five-door)
Engine: 1.5-litre four-cylinder (Cooper) / 2.0-litre four-cylinder (Cooper S)
Power: 136hp @ 4,500rpm (Cooper) / 192hp @ 5,000rpm (Cooper S)
Torque: 220Nm @ 1,480rpm (Cooper) / 280Nm @ 1,350rpm (Cooper S)
Transmission: Seven-speed automatic
Fuel consumption, combined: 4.8L to 5.4L / 100km
WOMAN AND CHILD
Director: Saeed Roustaee
Starring: Parinaz Izadyar, Payman Maadi
Rating: 4/5
Normcore explained
Something of a fashion anomaly, normcore is essentially a celebration of the unremarkable. The term was first popularised by an article in New York magazine in 2014 and has been dubbed “ugly”, “bland’ and "anti-style" by fashion writers. It’s hallmarks are comfort, a lack of pretentiousness and neutrality – it is a trend for those who would rather not stand out from the crowd. For the most part, the style is unisex, favouring loose silhouettes, thrift-shop threads, baseball caps and boyish trainers. It is important to note that normcore is not synonymous with cheapness or low quality; there are high-fashion brands, including Parisian label Vetements, that specialise in this style. Embraced by fashion-forward street-style stars around the globe, it’s uptake in the UAE has been relatively slow.
WHAT%20ARE%20THE%20PRODUCTS%20WITHIN%20THE%20THREE%20MAJOR%20CATEGORIES%3F
%3Cp%3E%3Cstrong%3EAdvanced%20materials%3A%3C%2Fstrong%3E%20specifically%20engineered%20to%20exhibit%20novel%20or%20enhanced%20properties%2C%20that%20confer%20superior%20performance%20relative%20to%20conventional%20materials%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EAdvanced%20components%3A%3C%2Fstrong%3E%20includes%20semiconductor%20components%2C%20such%20as%20microprocessors%20and%20other%20computer%20chips%2C%20and%20computer%20vision%20components%20such%20as%20lenses%20and%20image%20sensors%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EAdvanced%20products%3A%3C%2Fstrong%3E%20includes%20personal%20electronics%2C%20smart%20home%20devices%20and%20space%20technologies%2C%20along%20with%20industry-enabling%20products%20such%20as%20robots%2C%203D%20printing%20equipment%20and%20exoskeletons%3C%2Fp%3E%0A%3Cp%3E%3Cem%3ESource%3A%20Strategy%26amp%3B%3C%2Fem%3E%3C%2Fp%3E%0A
BIOSAFETY LABS SECURITY LEVELS
Biosafety Level 1
The lowest safety level. These labs work with viruses that are minimal risk to humans.
Hand washing is required on entry and exit and potentially infectious material decontaminated with bleach before thrown away.
Must have a lock. Access limited. Lab does not need to be isolated from other buildings.
Used as teaching spaces.
Study microorganisms such as Staphylococcus which causes food poisoning.
Biosafety Level 2
These labs deal with pathogens that can be harmful to people and the environment such as Hepatitis, HIV and salmonella.
Working in Level 2 requires special training in handling pathogenic agents.
Extra safety and security precautions are taken in addition to those at Level 1
Biosafety Level 3
These labs contain material that can be lethal if inhaled. This includes SARS coronavirus, MERS, and yellow fever.
Significant extra precautions are taken with staff given specific immunisations when dealing with certain diseases.
Infectious material is examined in a biological safety cabinet.
Personnel must wear protective gowns that must be discarded or decontaminated after use.
Strict safety and handling procedures are in place. There must be double entrances to the building and they must contain self-closing doors to reduce risk of pathogen aerosols escaping.
Windows must be sealed. Air from must be filtered before it can be recirculated.
Biosafety Level 4
The highest level for biosafety precautions. Scientist work with highly dangerous diseases that have no vaccine or cure.
All material must be decontaminated.
Personnel must wear a positive pressure suit for protection. On leaving the lab this must pass through decontamination shower before they have a personal shower.
Entry is severely restricted to trained and authorised personnel. All entries are recorded.
Entrance must be via airlocks.
Brief scores:
Pakistan (1st innings) 181: Babar 71; Olivier 6-37
South Africa (1st innings) 223: Bavuma 53; Amir 4-62
Pakistan (2nd innings) 190: Masood 65, Imam 57; Olivier 5-59
MATCH INFO
Sheffield United 3
Fleck 19, Mousset 52, McBurnie 90
Manchester United 3
Williams 72, Greenwood 77, Rashford 79
2018 ICC World Twenty20 Asian Western Sub Regional Qualifier
Event info: The tournament in Kuwait is the first phase of the qualifying process for sides from Asia for the 2020 World T20 in Australia. The UAE must finish within the top three teams out of the six at the competition to advance to the Asia regional finals. Success at regional finals would mean progression to the World T20 Qualifier.
Teams: UAE, Bahrain, Saudi Arabia, Kuwait, Maldives, Qatar
Friday fixtures: 9.30am (UAE time) - Kuwait v Maldives, Qatar v UAE; 3pm - Saudi Arabia v Bahrain
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