Correspondence to Dr Thomas Bandholm, Dept of Clinical Research, Copenhagen University Hospital, Amager and Hvidovre, Hvidovre DK-2650, Denmark; thomas.quaade.bandholm{at}regionh.dk The REPORT guide ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...