Leaky-wave antennas (LWAs) represent a fascinating class of radiating structures that utilise travelling waves whose energy gradually leaks along the antenna’s length, thereby producing highly ...

You don’t need to be a beach bum to understand waves: they move objects along with them, pushing boats and swimmers to the shore. There’s even a name for it, the Stokes drift model. But for the first ...

Levitation is no longer just the realm of magicians, with engineers dabbling in ways to suspend objects in midair using magnets, heat flow or sound waves. Unfortunately, it usually only works with ...