In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Number enthusiasts may be looking to the new year with a touch of melancholy. Another perfect square like 2025 (45 2 = 2,025) ...

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 ...