Images of plants painted on pottery made up to 8,000 years ago may be the earliest example of humans’ mathematical thought, a ...

Abstract: In this letter, a wideband filtering impedance transformer (IT) with an equal-ripple level is proposed for matching a complex impedance to 50 $\Omega$. It consists of two short-circuited ...

NewJeans member Danielle dropped from girl group amid ADOR lawsuit fallout Economic oasis emerges in the Arizona desert Around 40 killed, 100 injured in explosion in Swiss ski resort bar, police say I ...

Abstract: This article proposes a method for estimating the number of sources using the time-domain received signal in frequency-modulated continuous-wave radar systems. Conventional approaches ...

Deep inside an abandoned limestone mine, explorers found a massive underground complex spanning multiple levels, complete with heavy industrial equipment and a flooded chamber holding an unnatural ...