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Optical clocks hit the road

Two groups unveil very accurate, portable atomic clocks

Flash Physics: Liquid drops explode, developing world scientists honoured, star breaks X-ray emission record

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

Building blocks of life found on Ceres

Organic compounds may have formed on dwarf planet

Blocking the symmetry of motion

First mechanical metamaterial to overcome reciprocity

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Polymer welding with thulium lasers

Welding clear-to-clear polymers with thulium fibre lasers. A white paper from IPG Photonics

New for 2017 – Nano Futures


Nano Futures is a multidisciplinary, high-impact journal publishing fundamental and applied research at the forefront of nanoscience and technological innovation. The journal will publish urgent work that truly sets the direction of new and emerging fields. Full details about the journal's subject coverage can be found in the scope.

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Science supporters protest in Boston

Hundreds of scientists and science supporters gather to show their backing for science

AAAS chief predicts “tough and uncertain times” for US science funding

Rush Holt foresees a "very austere" budget for US science in interview with Physics World



Nuclear diamonds: the ultimate long-life battery?

Podcast Potential power supply for deep-space missions



The return of supersolids

Stephen Ornes reports on how two groups may have finally observed supersolids


Deducing how dinosaurs moved

Matthew R Francis describes how physicists are modelling the movements of these ancient beasts



Joel’s conference

Robert P Crease meets the US statistical physicist famed for his unique scientific meetings



The many faces of Marconi

Italian innovator Guglielmo Marconi’s complicated personality shaped his personal life as well as the lives of many others, thanks to his embryonic “wireless telegraphy”, writes Elizabeth Bruton


Saved by Bell

The life of quantum physicist John Stewart Bell and his revolutionary discovery is intimately discussed in Andrew Whitaker’s book, writes Nicholas Gisin

Innovation & industry

Focus issue

Physics World Focus on Vacuum Technology

Free to read: Challenges, applications and solutions

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