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The first astronauts arrived at China’s new space station on Thursday in the country’s longest crewed mission to date, a landmark step in establishing Beijing as a major space power.

The trio blasted off on a Long March-2F rocket from the Jiuquan launch centre in northwest China’s Gobi desert, and their craft docked at the Tiangong station around seven hours later, where they will spend the next three months.

State broadcaster CCTV showed a live feed from inside the spacecraft during the journey, with the three astronauts lifting their helmet visors after it reached orbit as one smiled and waved at the camera.

Another floated a pen just off his lap in zero-gravity as he browsed the flight manual.

Around seven hours after lift-off, space officials confirmed that the craft had docked with Tianhe, the core module of the country’s new space station.

The Shenzhou-12 craft has “successfully docked with the forward port of the core module” of the Tiangong station, said the China Manned Space Agency, as state TV showed live footage.

At a ceremony before blast-off, the three astronauts, already wearing their space suits, greeted a crowd of supporters and space workers, who sang the patriotic song “Without the Chinese Communist Party, there would be no new China”.

The mission’s commander is Nie Haisheng, a decorated air force pilot in the People’s Liberation Army who has already participated in two space missions.

The two other members are also members of the military.

Space life
The Tianhe module of the space station has separate living spaces for each of the astronauts, a “space treadmill” and bike for exercise, and a communication centre for emails and video calls with ground control.

It is China’s first crewed mission in nearly five years.

Huang Weifen of the China Manned Space Program said the astronauts will perform two spacewalks during the mission, both lasting around six or seven hours.

She also said the trio will wear newly-developed spacewalk suits.

The launch represents a matter of huge prestige in China, as Beijing prepares to mark the 100th anniversary of the ruling Communist Party on July 1 with a massive propaganda campaign.

To prepare for the mission, the crew underwent more than 6,000 hours of training, including hundreds of underwater somersaults in full space gear.

The Chinese space agency is planning a total of 11 launches through to the end of next year, including three more manned missions that will deliver two lab modules to expand the 70-tonne station, along with supplies and crew members.

China’s space ambitions have been fuelled in part by a US ban on its astronauts on the International Space Station, a collaboration between the United States, Russia, Canada, Europe, and Japan.

It is due for retirement after 2024, even though NASA has said it could potentially remain functional beyond 2028.

Tiangong will be much smaller than the ISS, and is expected to have a lifespan of at least 10 years.

China has said it would be open to international collaboration on its space station although it has yet to give specific details.

Zhou Jianping, chief designer for the space programme, said “foreign astronauts are certainly going to enter the Chinese space station one day”.

“There are a number of countries that have expressed a desire to do that and we will be open to that in future,” he said.

Beijing said in March it was also planning to build a separate lunar space station with Russia, and this week the two countries issued a “roadmap” for potential collaboration opportunities.
 


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Virginia Tech Engineers Craft Durable, Self‑Repairing, and Recyclable PCBs

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Virginia Tech Engineers Craft Durable, Self‑Repairing, and Recyclable PCBs

A team of scientists has developed a new kind of self-healing circuit board that stays functional even after severe mechanical damage and can be reshaped or recycled entirely using heat. Infused with liquid metal and built using a polymer known as vitrimer, the new circuit boards could dramatically cut electronic waste and transform the durability of consumer electronics. Vitrimer retains the strength of traditional thermoset materials while allowing flexibility and repair, making it possible to reconfigure damaged boards without compromising electrical performance.

As per a study published in Advanced Materials on June 1, the boards were created by blending vitrimer with just 5% by volume of liquid metal droplets. This combination nearly doubled the material’s strain-at-break, or stretchability, compared to vitrimer alone. The embedded droplets are flexible as well, serving as flexible conductors in place of metal wiring used in traditional boards. Using a rheometer, tests showed the material was able to return to its original shape after heat-induced deformation ranging from 170°C to 200°C, which conventional epoxy-based thermosets cannot achieve.

Engineers also demonstrated that the material remains highly conductive and can recover its electrical function after being damaged. “Modern circuit boards simply cannot do this,” said Josh Worch, co-lead author of the study. His team designed the dynamic composite with the aim of building a circular economy around electronics. The design addresses a major environmental concern: most circuit boards today use thermosets that cannot be recycled and end up in landfills.

Electronic waste has more than doubled in 12 years, from 34 to 62 billion kilograms, as noted in a 2024 UN report. Despite containing valuable metals like gold, current boards are difficult to break down and reclaim due to the permanent nature of thermosetting plastics. The new vitrimer-based design, by contrast, allows for easy separation and reuse of materials. “Even if the board is damaged,” said Michael Bartlett, another co-lead author, “electrical performance will not suffer.”

More work needs to be done to improve the recovery of some elements, but the advance is a big step toward greener electronics, the researchers say. The technology could one day be in many different types of devices, from phones and laptops to wearables and TVs, changing the way devices are made, operated, and recycled.

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Newly Detected Seaborgium-257 Offers Critical Data on Fission and Quantum Shell Effects

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Newly Detected Seaborgium-257 Offers Critical Data on Fission and Quantum Shell Effects

German Scientists at GSI Helmholtzzentrum für Schwerionenforschung found a new superheavy isotope, 257Sg, named Seaborgium, which reveals unexpected details about the stability and nuclear fission. This study was published in Physical Review Letters and describes how this isotope, made by fusing chromium-52 with lead-206, survived for 12.6 milliseconds, longer than usual. The rare longevity and decay into 253Rf provide new indications of how K-quantum numbers or angular momentum impact the fission resistance. The findings fill in the gaps and give us an understanding of the effects of quantum shells in superheavy nuclei, which is crucial for preventing immediate disintegration.

Challenging Traditional Views on K-Quantum Numbers and Fission

As per the study by GSI, it challenges conservative views on how K-quantum numbers impact fission. Previously, it was found that the higher K values lead to greater fission hindrance, but after getting the findings from the GSI team, a more complex dynamic emerged. They found that K-quantum numbers offer hindrance to fission, but it is still ot known that it is how much, said Dr. Pavol Mosat, the study’s co-author.

Discovery of First K-Isomeric State in Seaborgium

An important milestone is the identification of the first K-isomeric state in seaborgium. In 259Sg, the scientists found that the conversion of the electron signal occurs 40 microseconds after the nuclear formation. This is clear evidence of the high angular momentum K-isomer. These states have longer lifetimes and friction in fission in a more effective way than their ground-state counterparts.

Implications for the Theorised Island of Stability

This discovery by the scientists provides key implications for the Island of stability, which has long been theorised. It is a region where superheavy elements could have comparatively long half-lives. If K-isomers are present in the still undiscovered elements such as 120, they can enable scientists in the detection of nuclei that would otherwise decay in just under one microsecond.

Synthesising 256Sg with Ultra-Fast Detection Systems

This team of German Scientists under GSI is now aiming to synthesise 256Sg, which might decay quicker than observed or predicted. Their success is dependent on the ultra-fast detection systems created by GSI, which are capable of capturing events within 100 nanoseconds. This continued research by the team may help in reshaping the search and studying the heaviest elements in the periodic table.

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NASA CODEX Telescope on ISS Reveals Hidden Secrets of the Sun’s Corona

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NASA CODEX Telescope on ISS Reveals Hidden Secrets of the Sun’s Corona

A mini solar telescope aboard the International Space Station caught the first-ever images, which reveal the subtle and never-seen changes in the outer atmosphere of the Sun. It is known as the Coronal Diagnostic Experiment (CODEX) and has been designed to understand the solar corona, the outer layer of the Sun, in depth. This mini telescope functions like a coronagraph, which blocks the Sun’s disk to imitate the total solar eclipse. CODEX was delivered through SpaceX Dragon on November 5, 2024. It was mounted on the ISS using the Canadarm2 robotic arm on November 9, 2025.

Revolutionising Solar Observation

According to the report by NASA, the unique design of CODEX consists of an occulting disk the size of a tennis ball held by three arms made up of metal. It allows it to block the intense sunlight when imaging the faint corona. The first images were revealed on June 10, 2025, at the time of the American Astronomical Society’s meeting in Alaska. These comprised pictures of coronal streamers and footage of the temperature fluctuations in the outer corona over many days. This offers a fresh perspective on solar dynamics.

Measuring Solar Wind Like Never Before

CODEX is unlike the previous coronagraphs as it is the first to measure both the speed and temperature of the solar wind. There is a constant flow of superhot particles from the Sun. With the help of four narrowband filters, in which two are used for determining the temperature and two for speed, astronomers compare brightness to decode these properties, which helps in solving the mystery of how the solar wind reaches 1.8 million degrees Fahrenheit.

Tackling the Solar Weather Challenge

To know the solar wind, it is crucial to predict the geomagnetic storms triggered by the coronal holes. Shortly, the storms observed on June 13, 2025 and June 25, 2025, caused auroras because of these events. After refining the analysis of solar wind, CODEX can help in mitigating and forecasting such kind of disturbances.

A Timely Launch Amid Solar Peak

NASA’s CODEX started operations at a suitable moment, just as the current solar maximum comes to its end. As the magnetic field of the Sun shifts during the solar battle zone, CODEX is ready to catch the critical data that can change our understanding of the weather in space.

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