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Superfluid qubit could help scale up quantum computers

Superfluid helium could offer a new way to tackle one of the biggest challenges in scaling up quantum computers, say researchers from the University of Surrey. The research team has introduced a conceptual design for a new type of qubit that could be much less vulnerable to errors.

Quantum computers use qubits to process information in ways that are not possible with conventional computers. One of today’s leading approaches relies on superconducting circuits, but these are extremely sensitive to electromagnetic noise and stray electrical charges—similar to the static electricity that makes hair stick to a balloon. Even tiny disturbances can cause errors and scramble the quantum information being held, making it difficult to scale up quantum computers while keeping error rates under control.

Earth May Not Be a Cosmic Fluke, New Simulations Suggest

Solar system simulations starting from varied initial conditions suggest that Earth-like planets can emerge naturally from planet formation.

Computer simulations of planetary systems can now begin from thousands of different starting conditions, allowing researchers to explore how worlds might emerge without assuming the final outcome. Over the past three decades, these models have advanced from relatively simple approximations to far more sophisticated simulations.

At the recent Origins 2026 conference in Paris, Nader Haghighipour presented simulations designed to reconstruct how our solar system may have formed without building its familiar planetary arrangement into the model from the outset.

A new game demonstrates quantum advantage with provable classical limits

For decades, physicists have worked to prove the strange predictions of quantum mechanics with real experiments. As quantum computers have grown more powerful, researchers have devised increasingly sophisticated ways to test whether these machines are truly harnessing quantum effects—but every method so far has run into limits.

In new research published in Nature Communications, a team led by computer scientists Marcello Benedetti and Harry Buhrman at Quantinuum in the U.K. has proposed a new kind of test built around a simple game with a mathematically guaranteed outcome.

Curved nanographene with five-, six- and seven-membered rings synthesized in two steps

Nanographenes can be considered molecular fragments of graphene, a 2D conductive material in which carbon atoms are connected in a honeycomb pattern. Because their electronic and photophysical properties vary depending on the size and shape of the molecule, nanographenes are expected to find applications in OLEDs, organic solar cells, organic field-effect transistors and more.

For this, simple methods for synthesizing nanographenes that avoid complex multistep processes are desired. Now, a team of scientists from WPI-ITbM at Nagoya University and RIKEN has established a new two-step annulative π-extension (APEX) method that generates structurally diverse nanographenes. This research is published in the journal Angewandte Chemie International Edition.

New molecular magnet design boosts performance for ultrahigh-density data storage

Researchers at The University of Manchester and the Australian National University have developed a new class of molecular magnets that combines the most successful features of previous designs, resulting in some of the strongest magnetic memory properties reported to date.

The work, published in Nature Communications, centers on single-molecule magnets (SMMs), a class of materials capable of storing magnetic information within individual molecules. These materials are being explored as candidates for future ultrahigh-density data storage technologies, as they offer the potential for information to be stored on a dramatically smaller scale than in conventional magnetic devices.

Controlling the geometry of lanthanide compounds has long been one of the major challenges in molecular magnet design. The researchers have overcome part of that challenge by combining two molecular architectures that had previously delivered strong, but different, magnetic properties.

World’s most endangered tigers born in Greece as zoos build a safety net

SPATA, Greece (AP) — The world’s most endangered tigers have started a family in Greece, offering hope for a predator rapidly vanishing from the wild.

Three 2-month-old Sumatran tiger cubs received identification microchips and their first vaccinations Tuesday at a zoo near Athens, as part of a global effort to build a backup population.

The Sumatran tiger, classified as critically endangered, is found only on the Indonesian island of Sumatra, which is slightly larger than Sweden.