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Interesting Engineering

US firm to scale laser-based nuclear fusion ‘breakthrough’ with new partnership Military Archives - Interesting Engineering World’s first non-nuclear lead-cooled reactor to generate electricity begins installation US scientists devise new process to turn sewage sludge into 99% pure natural gas US firm unveils submarine-hunting drone with 9,200-mile-range, 35 mph top speed Military Archives - Interesting Engineering Supercomputer finds lithium-titanium tweak to boost sodium-ion batteries for grids Lockheed Martin demonstrates vertical launch missile system for mobile drone defense China’s 1116 MWe Taipingling Unit 1 reactor goes online, set to generate 9bn kWh yearly ChatGPT Images 2.0 update combines reasoning, research, and design with 2K output US Navy tests plug-and-play laser system on USS Bush carrier, downs drones at sea China’s CATL reveals 621-mile EV battery, under-7-minute charging to challenge BYD US uses world’s first exascale supercomputer to model supernovae, fusion reactors AI and Robotics Archives - Interesting Engineering First-in-human study confirms safety of graphene-based brain interface Tesla’s Optimus humanoid robot greets runners, poses for photos at Boston Marathon Interlocking materials offer high strength and flexibility for robotics, infrastructure US redeploys 100,000-ton nuclear-powered aircraft carrier in Red Sea after repairs US scientists unveil concept for ‘world’s first neutrino laser’ to unlock breakthroughs New military tech can maintain communication in contested electronic warfare environments Got a dark personality? Psychologists can help you choose your career wisely Humidity boosts performance of 3D-printed nanogenerator instead of degrading it China demonstrates microwave beam that recharges drones in flight, continues power delivery Scientists run compact free-electron laser for eight hours, cracks FEL stability problem China’s PLA considers to use minelaying underwater drones to enforce Taiwan blockade: Report 1-ton sharks may struggle for survival in waters exceeding 62.6°F, study suggests US firm’s thorium nuclear fuel bundles move to manufacturing for commercial reactors Tesla hits 0% charge in remote Chilean desert as YouTuber uses hood-mounted solar Humanoid robot surpasses human world record in Beijing half-marathon, clocking 50:26 mins New method extracts maximum work from unknown quantum states using symmetry tricks US scientists’ new method can measure rare-earth elements in plants without destroying them 1,800-year-old feces reveal disease and hygiene linked to Roman Empire in Bulgaria Tankers come under fire as Iranian forces close Strait of Hormuz over US blockade Iran announces opening of Strait of Hormuz, Donald Trump says blockade to continue US scientists confirm altermagnetism in rust, unlock faster, low-power electronics Chinese scientists hit record 63 K in nickel superconductors without extreme pressure Songbird study reveals potential paths for human brain’s self-repair, neurogenesis US dumping ground that stores hundreds of drums with nuclear waste set to be cleaned up Chinese scientists’ diamond-based coating to boost data center cooling efficiency by 80% US’ 100,000-ton nuclear warship sets record with longest deployment since Vietnam War World-first eVTOL two-way transition flight test completed by Vertical Aerospace New electrolyte design improves solid-state battery conductivity by 2.7 times 50-year-old prediction confirmed as scientists spot darkness moving faster than speed of light Uncrewed underwater vehicle enters service in Australia, can boost autonomous warfare power Quasi-solid-state battery hits 99.98% efficiency, stops dendrites, and boosts cycle life France plugs Lucy photonic quantum system into supercomputer for hybrid computing US Army CH-47F Chinook helicopter makes first autonomous landing without human input 300-million-year-old German Basin could hold one of Europe’s largest lithium resources ‘World’s first’: AGIBOT G2 humanoid robots run tablet testing on live factory line Google in talks with Pentagon to deploy Gemini AI after Claude limits dispute US tests spin-polarized fuel in 180-million-degree Fahrenheit tokamaks for fusion power US unveils AI-powered drone with 66-mile reach, modular payload transforms operations Anthropic launches Opus 4.7 with 13% higher vision resolution and stronger coding Germany airdrops 5 ton ‘mini tank’ from aircraft in first airborne test trial US nuclear firm submits plan for 240 MW small modular reactor to power 1.5 million homes China turns on largest AI science hub in 2 months, using no US chips at all Relic black holes from cosmic ‘bounce’ may be dark matter shaping our Universe China releases first detailed map locating seabed minerals in eastern seabed China’s humanoid robot masters real-time tennis rallying with 90.9% return accuracy 10,000 suns: Black hole ‘dancing jets’ clocked at instantaneous power in a first US chemists turn natural gas into liquid fuel without high heat and pressures Australia’s major refinery burns for 13 hours, raises fresh fears over petrol supply crisis US firm can help faster, real time tracking of high-speed threats with infrared camera US Army trials unmanned Hunter Wolf robot with gun, radar in combat drills Massive cosmic test shows Newton and Einstein still explain gravity accurately Mondelez-backed startup debuts ‘world’s first’ chocolate bars made with cultured cocoa China trials deep sea actuator for cutting cables and pipelines at 3,500m depth ‘Missing house’: Exact location of Shakespeare’s only London 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Elon Musk’s SpaceX completes debut test flight of Starship V3, its most powerful rocket
Neetika Walt · 2026-05-23 · via Interesting Engineering

SpaceX successfully launched Starship V3 on its first flight test Friday, sending the upgraded rocket to space, deploying its test payload, and completing a controlled splashdown in the Indian Ocean after more than an hour in flight.

The mission came a day after a last-second launch scrub caused by a faulty hydraulic pin on the launch tower arm. SpaceX returned to the pad at Starbase, Texas on Friday, and lifted off at 6:30 p.m. EDT, marking the first flight of the company’s redesigned Starship V3 vehicle.

Standing more than 400 feet tall, Starship V3 features upgraded Raptor 3 engines, a redesigned hot-stage system, and changes aimed at improving performance and reusability. The test was designed to evaluate the rocket’s ascent, payload deployment, and reentry systems rather than attempt a recovery.

The launch was not entirely flawless. During the initial climb, several Raptor 3 engines on the Super Heavy booster shut down earlier than expected. However, Starship’s flight software automatically compensated by adjusting thrust levels on the remaining engines, allowing the rocket to continue toward its planned trajectory.

Engine failures overcome

Despite the engine losses, Super Heavy successfully completed hot-stage separation and delivered Starship to the next phase of flight. The booster then performed its boostback maneuver and guided itself to a controlled vertical splashdown in the Gulf of Mexico.

The upper-stage spacecraft continued into space and completed one of the mission’s primary objectives by opening its payload doors and deploying dummy cargo. The deployment demonstrated the vehicle’s ability to handle future satellite delivery missions.

SpaceX had originally planned to restart a Raptor engine while in space. Mission controllers ultimately decided to skip the reignition test and maintain a stable flight profile.

According to flight updates, engineers chose not to introduce additional risk from an engine restart using a modified propellant configuration. Instead, the vehicle remained on a trajectory optimized for the next major objective: testing its upgraded thermal protection system during atmospheric reentry.

Heat shield faces test

With the engine relight canceled, Starship spent much of the mission coasting quietly through space before beginning its return to Earth.

As the vehicle descended, onboard cameras captured plasma building around Starship’s steering flaps during peak heating. The reentry phase represented one of the most critical parts of the flight because SpaceX has been working to improve the spacecraft’s heat shield following previous test flights.

The spacecraft ultimately completed its atmospheric descent and performed a controlled splashdown in the Indian Ocean. The mission ended 1 hour, 5 minutes, and 26 seconds after liftoff.

The successful flight provides SpaceX with its first in-space test data from the V3 configuration and demonstrates the performance of several key upgrades, including the new Raptor 3 propulsion system and modified thermal protection hardware.

The mission also marks a significant step in SpaceX’s effort to increase Starship’s launch cadence as the company prepares the vehicle for future Starlink deployments, NASA lunar missions, and eventual deep-space operations.

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With over a decade-long career in journalism, Neetika Walter has worked with The Economic Times, ANI, and Hindustan Times, covering politics, business, technology, and the clean energy sector. Passionate about contemporary culture, books, poetry, and storytelling, she brings depth and insight to her writing. When she isn’t chasing stories, she’s likely lost in a book or enjoying the company of her dogs.