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LIGO detects first ever gravitational waves – from two merging black holes

Momentous discovery marks start of a new era of gravitational-wave astronomy

Trees break at fixed wind speed, irrespective of size or species

Critical speed is derivable from a few simple scaling laws

Physicists plan to seek Higgs force in atomic spectra

Isotope shift could provide a table-top test of how the Higgs boson couples to matter

Quantum-limited heat conduction smashes long-distance record

Ultra-efficient heat transfer could keep quantum computers cool

Physics of brain folding recreated in the lab

Study verifies mechanical explanation for how the human brain folds

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Piezo engineering tutorial

Aerotech offers an essential piezo nanopositioner reference guide. A white paper from Aerotech

IOP Publishing Impact Factor growth


The 2014 Impact Factors, published by Thomson Reuters, once again show significant growth for journals published by IOP Publishing.

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The optimization of medical accelerators is the goal of a new network within the FP7 Marie Curie Initial Training Network scheme. Watch this video to learn more about the early-stage researcher opportunities available.

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Science that goes ‘chirp’ in the night

The LIGO rumour mill proves that it's not easy to keep science a secret -- but is it necessary?

Perimeter Institute discuss LIGO findings

What does the discovery of gravitational waves mean for physics?



What is a topological insulator?

Video Chris Hooley explains this phenomenon in 100 seconds


Rocking the status quo in science

Podcast The working lives of scientists and musicians are more similar than you might think, as Physics World reporter James Dacey finds out



Revealing the network within

Jon Cartwright describes the emerging field of "network physiology", which uses physics to understand how organs communicate



Peer review’s value

Robert P Crease looks at why peer review works, despite its flaws



Burned from the inside out

Susan Southard’s book about survivors of the Nagasaki atomic bombing, reviewed by Brian Drummond


Visualizing the cosmos

A book of space-related infographics is "a marvel and a delight", according to reviewer Margaret Harris

Innovation & industry

Focus issue

Physics World Focus on Astronomy and space

Free to read: Seeing further and finer than ever before

For the latest features and products for those interested in innovation and industry, see our special sections on: