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Sam Jarman

Sam Jarman

Author

Sam is a freelance science writer who spends most of the year juggling between writing and travelling the world. He has a lifelong interest in astrophysics, but is also fascinated by fast-growing fields in physics including novel materials, medical imaging, and bio-inspired technologies. He also contributes to outlets including Physics World and APS Physics Magazine.

Articles by Sam Jarman

Phys.org / Enhanced fluorescence technique illuminates rapid, coordinated protein folding

A team of US researchers has gained new insights into how large protein molecules consistently fold themselves into useful shapes. Using a new approach to fluorescence microscopy, Hoi Sung Chung and colleagues at the National ...

Mar 14, 2026
Phys.org / Quantum dots generate entangled photon pairs on demand

For the first time, researchers in China have demonstrated how quantum dots can be engineered to consistently generate pairs of entangled photons. By carefully tailoring the photonic environment surrounding a single quantum ...

Mar 13, 2026
Phys.org / Superconductivity controlled by a built-in light-confining cavity

For the first time, physicists have demonstrated that a material's superconductivity can be altered by coupling it to an in-built, light-confining cavity. In experiments published in Nature, a team led by Itai Keren at Columbia ...

Mar 8, 2026
Phys.org / Quantum entanglement offers route to higher-resolution optical astronomy

Researchers in the US have demonstrated how quantum entanglement could be used to detect optical signals from astronomical sources at the single-photon level. Published in Nature, a team led by Pieter-Jan Stas at Harvard ...

Mar 8, 2026
Phys.org / Neutrons reveal magnetic signatures of chiral phonons

Physicists in China have uncovered new evidence that chiral phonons and magnons can interact strongly inside magnetic crystals. Using neutron spectroscopy, a team led by Song Bao at Nanjing University mapped magnetic signatures ...

Mar 5, 2026
Phys.org / 'Nano-origami' reshapes liquid droplets into six-pointed stars

For the first time, researchers in France and Israel have observed how an emulsified liquid droplet can transform from a hexagon into a six-pointed star shape in response to rising temperature. Publishing their results in ...

Mar 4, 2026
Phys.org / Hidden atomic dichotomy drives superconductivity in ultra-thin compound

Physicists in China have unveiled new clues to the origins of high-temperature superconductivity in an iron-based material just a single unit-cell thick. Led by Qi-Kun Xue and Lili Wang at Tsinghua University, the team's ...

Mar 3, 2026
Phys.org / Self-propelling microbes switch up swimming strategy to optimize light intake

Researchers in Hong Kong and the UK have revealed how one species of self-propelling microbes can actively change the path of their swimming motions, depending on how much light they receive. Reporting in Physical Review ...

Mar 2, 2026
Phys.org / The screech of peeling sticky tape conceals a rapid train of tiny shockwaves, ultrafast imaging shows

A new experiment has uncovered the mechanism responsible for the screeching sound made by peeling sticky tape. Using a combination of ultrafast imaging and synchronized acoustic recordings, Sigurdur Thoroddsen and colleagues ...

Feb 27, 2026
Phys.org / Rydberg atoms detect clear signals from a handheld radio

For the first time, a team of US researchers has used sensors containing highly excited Rydberg atoms to detect signals from an ordinary handheld radio. Through a careful approach to demodulating the incoming signals, Noah ...

Feb 26, 2026
Phys.org / 2D memristors could help solve AI's energy problem

New generations of memristors could reliably store information directly within the molecular structures of graphene-like materials. In a new review published in Nanoenergy Advances, Gennady Panin of the Russian Academy of ...

Feb 25, 2026
Phys.org / Color-changing nanopigment sensor tracks pH one to ten with stable, repeatable readings

Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan Kim and colleagues at ...

Feb 24, 2026
Phys.org / Diamond surfaces are covered in thin, ice-like water layers

Using atomic-scale defects in diamond, researchers in China have gained unprecedented insights into the complex chemical processes that unfold at the interfaces between solid surfaces and their surroundings. Published in ...

Feb 24, 2026
Phys.org / Sunray-like ripples emerge on a frozen reaction front

Researchers in Belgium have unveiled a striking chemical reaction in which ripples along a frozen reaction front resemble the rays of a shining star. Publishing their results in Physical Review Letters, Anne De Wit and colleagues ...

Feb 22, 2026
Phys.org / Living tissues are shaped by self-propelled topological defects, biophysicists find

With a new mathematical model, a team of biophysicists has revealed fresh insights into how biological tissues are shaped by the active motion of structural imperfections known as "topological defects." Published in Physical ...

Feb 20, 2026