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Supernovae analysis finds scant evidence for dark energy

New statistical analysis casts doubt on accelerating expansion of the universe

Flash Physics: Physicists call for food strategy, LHC trio bag prize, cosmic rays elude geomagnetic field

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

Flash Physics: Ocean tides are magnetic, speedy electrons, new millimetre-wavelength telescope camera

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

Uncertainty surrounds fate of European–Russian Mars lander

Demonstrator module was supposed to test landing techniques for a future Mars lander

Flash Physics: L'Oréal-UNESCO lauds physicists, graphene protects glass, CERN maps disasters

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

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White papers

This channel comprises content supplied by vendors.

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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Still not even wrong

Podcast Ten years after his infamous anti-string-theory book, Peter Woit thinks the subject is more tangled than ever

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

What could you do with a 50- or 100-qubit quantum computer?

Video Andrea Morello predicts uses for the quantum computers of the not-too-distant future



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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