Physicists at Bielefeld University and the Leibniz Institute for Solid State and Materials Research Dresden (IFW Dresden) ...

In the complex environment at offshore, the value of background noise is not constant. The radio received signal strength fluctuates continuously due to constant changes in the rough sea environment.

Wi-Fi dead zones might not be your ISP's fault. From microwaves to mirrors, here are 8 common household items that can mess ...

Birds are incredible evolutionary creatures, as birders tend to know. They can see in the ultraviolet spectrum, which really ...

Is black a colour? Black isn’t in the rainbow, but where does it fit in the colour spectrum? What makes something appear black? An expert explains how we perceive black.

Access to the electromagnetic spectrum is a critical requirement for victory in modern electronic warfare. This paper proposes a method for generating electromagnetic spectrum holes in a specific area ...

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and carries more energy, making it much more harmful to life, damaging DNA, and ...