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Just in case you hadn't realized, our story about a Zoom video call being powered by Google's Sycamore quantum computer was an April Fool's joke.   But judging by your comments on Twitter, it looks like many of you enjoyed the tale. We certainly had fun imagining a Zoom call where you could be on mute and not mute at the same time – or even simultaneously in multiple breakout rooms.   Remember, if you want proper quantum stories, do visit the dedicated Physics World quantum channel. Matin Durrani, editor-in-chief, Physics World

THIS WEEK'S HEADLINES

Biofabrication | Research update Shape-shifting biomaterial could transform 4D tissue engineering New cell-friendly hydrogel morphs into vessel-like tubes on the timescales needed to promote tissue development and healing Quantum sensors, Ultracold matter | Research update Non-destructive detection could speed up cold-atom quantum sensors Researchers use microwaves to observe an atomic sample 30,000 times a second without destroying it Devices and structures, Diagnostic imaging | Research update Flexible detector takes high-resolution X-ray images in 3D Device might find use in healthcare applications such as portable mammography detectors Nanomaterials, Water | Research update Nanoparticle sensors detect arsenic in drinking water A low-cost sensor based on gold nanoparticles changes colour when exposed to arsenic-contaminated water Atomic and molecular, Metrology | Research update Three top atomic clocks are compared with record accuracy Research could lead the way to a new time standard

EXPLORE MORE

Education and outreach, Environment and energy, Physics | Podcast Inspiring young children to careers in science, the physics and economics of heat pumps This podcast features education specialist Carol Davenport and our industry columnist James McKenzie Nuclear fusion, Personalities | Blog Physics in the pandemic: 'We've been surprised at how easy it's become to do high-level experiments from our homes' After COVID made crowded control rooms hazardous, Ben Penaflor and colleagues at the DIII-D National Fusion Facility developed work-arounds Astroparticle physics, Education and outreach | Blog Physics in the pandemic: making particles from space tangible for schoolkids Andrew Ferguson took a muon detector project into UK schools – and kept the study going despite COVID-19 restrictions Earth sciences | Opinion and reviews Strolling in the deep Ian Randall reviews The Brilliant Abyss by Helen Scales Particle and nuclear | News Retraction of Nature paper puts Majorana research on a new path "Inconsistencies" are found with the original analysis but an independent report finds no instances of data fabrication

OUR LATEST WEBINARS You can explore our full selection of webinars on our website.

Materials, Sponsored | Webinar The development of new ionic electrolytes for energy storage devices Join the audience for a live webinar on 21 April 2021 sponsored by Hiden Analytical, in partnership with The Electrochemical Society Instrumentation and measurement, Sponsored | Webinar Raman imaging microscopy: The analytical multi-tool Join the audience for a live webinar on 22 April 2021 sponsored by WITec Materials, Sponsored | Webinar Physics of dopant emission to harness the rainbow emission of nanocrystals Join the audience for a live webinar on 14 April 2021 sponsored by Hiden Analytical, in partnership with The Electrochemical Society Medical physics, Sponsored | Webinar End-to-End QA with the QUASAR™ Multi-Purpose Body Phantom: TPS and SBRT Join the audience for a live webinar on 8 April 2021 sponsored by Modus QA

INNOVATION SHOWCASES You can explore our full selection of innovation showcases on our website.

Zurich Instruments launches the SHFSG, the first signal generator specially designed for superconducting and spin qubits The SHFSG takes advantage of the super-heterodyne frequency conversion technique to ensure better linearity and fewer spurious tones than with standard IQ-mixer-based methods. It can be programmed to generate complex pulse sequences. As a result, the SHFSG generates clean and stable signals without requiring users to spend time on mixer calibration or system maintenance. The integrated synthesizers help to increase the fidelity of qubit gate operations thanks to their low phase noise and low timing jitter across the entire output frequency range.

Who said that Raman imaging is not user-friendly? Raman microscopy can have the reputation of being difficult to handle. But with all HORIBA Scientific recent developments it has become much easier for non-experts to access.   Join the upcoming webinar "Who said that Raman imaging is not user-friendly?" presented by Ludivine Fromentoux and Thibault Brulé, a live event on 8 April 2021 (4 p.m. CEST), to understand how automation and all HORIBA Scientific software apps help to resolve the daily challenges of Raman microscopists.

VACANCIES FROM PHYSICS WORLD JOBS

Neutron Data and Computing Program Manager, US Lecturer in Data Intensive Science, UK PhD Studentships in Nanoelectronics, UK Research Associate, US Research Fellow in Experimental AMO Physics – Rydberg Atom Magnetometry, UK Full Professor in Engineering, Luxembourg Postdoctoral Researcher, Numerical Quantum Error Correction, Finland Magnet Design Engineer, UK Research Associate in Astrophysics, UK Application Engineer South Korea (Physics, EE), South Korea

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