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Building-block metamaterials shape 3D acoustic holograms

3D-printing method makes manipulating sound waves easier and cheaper

Liquid flow in capillaries contradicts conventional wisdom

Certain shapes of capillary cannot keep liquid contained, however narrow they are

Flash Physics: CubeSats could soon self-propel, ALMA unveils the birth of stellar siblings, patent award for US plasma lab

Today's selection of need-to-know updates from the world of physics

Physicists break record for laser-electron interaction

New experiment beats efficiency of free-electron lasers by turning 30% of electron-beam energy into light

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White papers

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An introduction to the Physics Package from Maple

A computational tool that can handle a wide range of physics calculations to further decrease the reliance on pencil and paper. A white paper from Maplesoft

Tunable, narrow-bandwidth mid-infrared laser sources for compact trace gas analysis

Laser-based photoacoustic spectroscopy using the Cobolt Odin™ tunable mid-infrared laser. A white paper from Cobolt, a Hübner Group company

2D Materials celebrates Impact Factor: 9.611


We are delighted to announce that 2D Materials has received a first Impact Factor of 9.611. We are very grateful to our Editorial Board, authors and readers for embracing 2D Materials and we hope to continue to serve researchers working in this exciting field in the future.

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A toe-tally terrific trio

"Albert Einstoe" is one of three funny physics sock designs that are perfect gift ideas



Recipe for success with topological materials

Podcast Hamish Johnston visits Beijing on a hunt for the elusive Weyl fermions

What can we learn from ultrahigh energy cosmic rays?

Video Gordon Thomson introduces the Telescope Array experiment in Utah

What can you do with a Weyl semimetal?

Video Zahid Hasan explains why semimetals containing Weyl fermions could be ideal for examining a variety of theories



Taking the long view

Despite talk of skills shortages, most graduates in scientific disciplines take jobs outside science. Patrick White and Emma Smith reflect on why this is and what it means for the long-term career prospects of physics graduates


The descent of mass

Jon Cartwright talks to the physicists who are hoping to find a flaw in the equivalence principle



Unknown unknowns

Robert P Crease says people who raise “unknown unknowns” to promote a particular course of action are doing a disservice to science


Gender balance, one woman at a time

Can a female teacher help convince girls to study advanced physics? Physics teacher Debbie Hayton had a novel way of finding out



Finding the right boundaries

Roger Penrose’s book on “fashion, faith and fantasy” in physics asks excellent questions, but reviewer Chanda Prescod-Weinstein finds some of the answers wanting

Innovation & industry

Focus issue

Physics World Focus on Vacuum Technology

Free to read: Challenges, applications and solutions

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