The oceans seem like an obvious source of renewable energy, but there are huge technical and financial hurdles to harnessing their vast power. Stephen Ornes investigates
Andrew Murray describes a new variant of Young's double-slit experiment, using photoelectrons emitted from rubidium atoms excited by infrared and blue lasers
Why does the cosmic microwave background have a strange patch that is much colder than expected? Syed Faisal ur Rahman looks at some possible explanations
Giving audiences a great listening experience is a complex mix of acoustics and architecture. But as Anna Demming explains, the challenges are even harder when revamping historic venues
Huygens was first to notice that pairs of linked pendulums can swing in synchrony. But as Jonatan Pena Ramirez and Henk Nijmeijer explain, mystery still surrounds the behaviour of synch...