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JFM Q&A with Yongyun Hwang

Professor Yongyun Hwang, Imperial College London has recently been appointed as an editorial board member of the Journal of Fluid Mechanics. To celebrate, Yongyun participated in a Q&A with the Journal.

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Charles Meneveau wins the Batchelor Prize 2024

The 2024 Batchelor Prize has been awarded to Cambridge Author, Professor Charles Meneveau, Johns Hopkins University.  Professor Meneveau will receive the plaudit in recognition of his high-impact fundamental contributions to the study of turbulence and wall-bounded flows, and for bringing insightful and rigorous fluid mechanics to the science of wind turbines and wind farms for the benefit of society. …

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On the Cover of HPL: Optical control of transverse motion of ionization injected electrons in a laser plasma accelerator

In recent years, the plasma wakefield acceleration driven by ultra-short and ultra-intense laser pulses has become increasingly mature, which can produce electron beams with ultra-high beam density and femtosecond beam duration; By using this electron beam, a new table-top radiation light source with collimation, ultrafast and high brightness can be produced.…

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Editorial for Bristol 75 Anniversary Issue

This online collection commemorates 75 years of aerospace engineering teaching and research at the University of Bristol.  However, interactions with the aircraft industry started long before the Department was formed in 1946 1, for instance when in 1918 the University began teaching a class in Aircraft Manufacturing . 

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10 PW peak power femtosecond laser pulses at ELI-NP

The first 1PW laser was commissioned in the USA in the late 1990s with many systems globally coming on-line throughout the 2000s opening up new and exciting areas of science. In the following years many laboratories strived to increase the power, and hence the focussed intensity, to the 10PW regime, to realise new theoretical thresholds of fundamental science. Several lasers throughout the world, are in the process of construction/commissioning to achieve this goal in China, Romania, Czech Republic, and France with others planned in Japan, USA, Russia and the UK. The first of these systems, ELI-NP in Romania, has recently been the first to demonstrate this landmark achievement.

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The Light Beyond the Clouds

Beyond the dark clouds there is light. Is this a topical description for the past, present and future of our industry? In the past, it was our ambition to travel fast and above the weather that inspired the development of the jet engine by its inventors, Sir Frank Whittle and Dr Hans von Ohain in the late 1930s and early 1940s.

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On the Cover of HPL: Ultra-broadband near-infrared NOPAs based on the nonlinear crystals BiBO and YCOB

Ultrashort and broadband laser sources are formidable tools for a wide range of scientific areas. In the field of ultrafast science, laser pulses lasting only a few optical cycles are used to generate secondary sources employed in probing matter at atomic scales. Such sources are also widely adopted in applications in ultrafast spectroscopy, pump-probe in chemistry, and optical coherence tomography among many other fields.

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Robot Athletes and Entertainers

The creation of robot athletes is a novel benchmark problem for techniques in artificial intelligence, machine learning, computer vision, and intelligent robotics. The goal is to develop intelligent robot systems that can participate in sports events following the same rules as humans.

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2019: an impactful year for MRS journals

2019 was a bumper year for the publications of the Materials Research Society, and we are delighted to announce that all three journals included in the Journal Citation Reports significantly increased their Impact Factors, usage and website visits.…

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Where Physical and Digital Worlds Collide

In this blog for Data-Centric Engineering, Paul Clarke (Chief Technology Officer at Ocado) documents Ocado’s journey with building synthetic models of its business, its platforms and its underlying technologies, including the use of simulations, emulations, visualisations and digital twins.…

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International Women’s Day 2020: Influential women in STEM

International Women’s Day 2020 falls on Sunday, 8th March this year. In the run up to this date, each week day we’ll be highlighting one woman whose accomplishments in science, technology, engineering and/or mathematics not only elevated their fields but also took us one step closer to a gender-equal world.…

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The Aeronautical Journal and the ICAS Congress

The Aeronautical Journal is unusual in ‘covering all aspects of aerospace’. This is something of a rarity nowadays, with conferences and journals aiming to attract high-profile experts by maximising specialist content – more ‘bang for the buck’, as the expression goes.…

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On the Cover of HPL: Petawatt and exawatt class lasers worldwide

An international team of scientific experts has gathered to examine the current status of ultra-high-powered lasers around the world and look to the future to predict what the next generation of laser systems will offer. The culmination of their work is a major review paper ‘Petawatt and Exawatt Class Lasers Worldwide’, which looks at the historical context of this technology, its current and future use, and direction.

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Why experiments matter

The experiments that students first encounter at college or university can be real passion-killers, consisting of time-worn experiments, supplied with detailed and prescriptive instructions leading to predictable and uninspiring outcomes. When students become truly active in their pursuit of learning they become immersed in processes and practices core to science and engineering.

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On the Cover of HPL: Bremsstrahlung emission from high power laser interactions with constrained targets for industrial radiography

Due to the range of size, density, and resolution demands associated with industrial X-ray radiography, there is not a source that is “one-size fits all”... Altering the source characteristics to deliver what is needed requires continued study. This publication explores the X-ray emission from spatially constrained targets compared to standard foil targets. The research results are published in High Power Laser Science and Engineering, Volume 7, No. 2, 2019 (Armstrong, C. D. , et al. Bremsstrahlung emission from high power laser interactions with constrained targets for industrial radiography.)

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The Berkeley Tale of 5G

“The faculty and staff at the Berkeley Wireless Research Center (BWRC) have a great tradition of meeting at a remote location to discuss new research directions for our center. It was during one of these meetings in Sausalito, CA (December 2013) that the vision for “xG” was born; see the figure below. To explain the origin of this figure, as a wireless research center, we are always looking at the world of wireless communication and trying to guess (and hopefully set) the research agenda in the right direction. We were compelled by a vision that involved the use of very high frequencies (mm-wave frequencies) to allow hundreds if not thousands of antennas to be integrated into small basestations (or access points) that formed a directional wireless mesh network, obviating the need for a fiber backhaul.”

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Q&A with Wireless Power Transfer Handling Editors

Wireless Power Transfer has welcomed new Executive Editors Patrick Hu, University of Auckland, New Zealand and Naoki Shinohara, Kyoto University, Japan as well as editorial board members Alessandra Costanzo, University of Bologna, Italy and Chunhua Liu, City University of Hong Kong, Hong Kong to the journal.…

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The Incoming New Era of 5G

Unless you’ve been hiding out in a cave in the mountains without any connectivity, you’ve heard the buzz and hype about 5G. 5G is supposed to solve every problem out there and to make our phones and tablets (and cars and computers, too) even more magical. People talk about 10X or 100X faster connections, more bandwidth and spectral efficiency, millisecond latency, enabling new applications like autonomous driving, AR/VR games, and even control over wireless. What’s real and what’s hype?

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The path to future robotics is paved with materials

There has been a notable trend in storytelling toward the redemption of beings that were once considered purely evil. In fantasy, for example, dragons have evolved from simple, violent animals into noble beasts, often of near- or above-human intellect, who act as helpers of humanity or as heroes in their own right. In science fiction, we’ve seen a similar shift in the purpose and personality of robotic characters. In her article in the April 2019 issue of MRS Bulletin, Hortense Le Ferrand, recipient of the 2018 MRS Bulletin Postdoctoral Publication Prize, connects the emergence of benevolent robots to “the use of soft materials, characterized by conformability, colors, and constant adaptation to the environment.”

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Large-scale battery storage: Challenges and opportunities for technology and policy

Could a large-enough battery cushion the swings in wind and solar power? And can renewable energy be trusted, or are we just seeing technical challenges to implementation? In a recent review article published in MRS Energy & Sustainability, energy experts weigh in on these questions and consider the challenges and opportunities for technology and policy in relation to large-scale battery storage. The article also addresses a fascinating case study from South Australia, which currently houses the world's biggest battery.

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Energy storage in the Midwest and beyond: A timely analysis

As the Federal Energy Regulatory Commission (FERC) released an update to last year’s order on energy storage, MRS Energy & Sustainability publishes a timely collection of papers that unpack the issue of energy storage in the Midwest and beyond. Last February, FERC unanimously approved a landmark order in the fast-developing field of energy storage. FERC Order 841 directed grid operators across the US to develop market rules for energy storage to participate in the wholesale energy, capacity and ancillary services markets by treating storage as a generation resource.

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