Spotify is launching a new feature that can make transitions between songs even smoother. Premium users can now automatically sort and rearrange their playlists based on BPM (tempo) and key, allowing ...

Abstract: This letter is concerned with efficient design of two-dimensional (2-D) Golay complementary array sets (GCASs) with ideal aperiodic sums for two correlation directions. Two new direct ...

Abstract: The super augmented nested array (SANA) is a new sparse array (SA) proposed by expanding, changing the inter-element spacing (IES), and splitting the nested array (NA). The proposed SANA ...

LNER has unveiled a new fleet of 10 intercity trains, the Class 897s, for the East Coast Main Line, replacing carriages that are almost 40 years old. These new trains are the first to be introduced as ...