Read article: The invisibility of length contraction
Objects travelling at relativistic speeds will shorten as a consequence of Einstein's special relativity. But what, asks David Appell, if you try to look at such an object?
Read article: Portable radiation detectors make the invisible, visible
Hand-held "gamma cameras" mean that nuclear decontamination and decommissioning is less expensive, quicker and safer for workers
Read article: Why we need to keep talking about equality in physics
Jess Wade and Maryam Zaringhalam discuss the implications of poor diversity in physics – and what can be done to create a level playing field in the subject
Read article: Explore your PhD and Master’s options with Physics World Careers 2019
Our annual, free-to-read guide can help you pick from a diverse range of jobs following a degree in physics
Read article: A commercial path to fusion
Alex Creely and Erica Salazar describe how a private company, Commonwealth Fusion Systems, is betting on advanced magnet technologies to make the fusion dream a reality
Read article: Taking a bite out of food waste
How hyperspectral imaging could help solve a trillion-dollar problem in the food industry – and cut carbon emissions, too
Read article: Ready, set, bake
Rahul Mandal, a metrology researcher, talks about how his scientific thinking helped him become a baker and win The Great British Bake Off in 2018
Read article: Additive manufacturing makes vacuum systems smaller, lighter and smarter
For quantum technologies to fulfil their promise, the systems that support them need to shrink. Laurence Coles explains how additive manufacturing could make it possible
Read article: Diamonds are a physicist’s best friend
Pascal Gallo, chief executive of LakeDiamond, on his career in quantum physics and crystal growth, and what goes into setting up a successful company
Read article: Giant leaps for knowledge
Apollo 11 was just the first of five further Apollo missions to land on the Moon. Sue Nelson explores their scientific legacy
