Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.

In CubeSats, because the size is limited, the estimation of the incident solar energy according to the orbital parameters and satellite attitude is more critical for the design process of the ...

Jamie Carragher has told Arne Slot the Liverpool pairing “he’s got to try” as he urged the Reds manager to “put himself in the shoes of Carlo Ancelotti”. Liverpool lost their fourth game on the bounce ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...