Do they reflect radio waves as well as they reflect heat? As it turns out, yes they do. Any antenna system that’s more than a simple radiator relies on using conductive components as reflectors.

You know A.M. and F.M. radio. But did you know that there is a whole other world of radio surrounding us at all times? It’s called shortwave—and, thanks to a quirk of science that lets ...

Showcasing BBC Radio 5 Live's news specials, including in-depth interviews. During the BBC Radio 5 live Breakfast programme on 25 August 2016, in an interview with Omer el-Hamdoon, Deputy ...

Looking for NYT Strands answers and hints? Here's all you need to know to solve today's game, including the spangram. This is an ability that iPhone owners have had for some time now, so Android ...

Local BBC Radio joins BBC Radio 5 Live through the night on a weekend.

Abstract: Spectrum sensing is the core technology in cognitive radio systems to find the available channel. In spectrum sensing, the energy detection has a disadvantage that it is difficult to detect ...

Eugene Brink on the benefits and costs of our new system of govt The government of national unity (GNU) – or rather a grand coalition of sorts – is admittedly not perfect. That much we know. But we ...