This is the last of three blog posts associated with this week’s episode of Cosmos: A Spacetime Odyssey, which addresses life in the universe. Read the first and second here. Someday, in the not too ...

Looking for help with today's New York Times Pips? We'll walk you through today's puzzle and help you match dominoes to tiles ...

How many coins can touch one coin, or how many basketballs can "kiss" one basketball at the same time? This seemingly playful ...

Abstract: In this brief, we present two inductorless realizations of Chua’s circuit in an exact form while using only two active elements, namely a current feedback operational amplifier (CFOA) for ...