Abstract: The coupled transcendental equations describing cutoff frequencies of TE and TM modes are deduced for a rectangular waveguide with arbitrary wall impedance. In the case of TE modes, their ...

Abstract: The mutual inductance between two coils is a key parameter in the inductively coupled wireless power transmission. The spiral rectangular coils are easier to implement than the circular ones ...

The special video shows that the love of the "Peanuts" gang has made it through generations of the Schulz family Charles M. Schulz Museum/Instagram; Alamy It has been 75 years since the "Peanuts" ...

Portable Bluetooth speakers have become a must-have for music, podcasts and even calls when you’re on the move. Whether you’re heading to the beach, planning a camping trip or just want something more ...