You may have seen the “no-lift pencil” puzzles online — challenges that ask you to draw a shape without lifting your pencil ...

Sarnak proposed that such graphs are rare; he and two collaborators would soon publish a paper that used complicated ideas from number theory to build examples ... number of edges and increasing the ...

A widespread power outage hit Spain and Portugal, affecting millions of people who live across Europe's Iberian Peninsula.

Spain’s public broadcaster said the outage left its newsroom, Spain’s parliament in Madrid, and metro stations across the ...

Pedro Sanchez has asked the public to refrain from speculation and said no theory about the cause of the outage had been ...

BARCELONA, Spain (AP) — A blackout brought much of Spain and Portugal to a standstill Monday, halting subway trains, cutting phone service and shutting down traffic lights and ATM machines for the 50 ...

Cycode Ltd. today introduced a set of new features designed to help development teams ensure that their code is secure.

Spain’s highest criminal court will investigate whether “an act of computer sabotage” was behind an unprecedented blackout ...

Spanish Prime Minister Pedro Sanchez earlier vowed to have the entire country of 48 million with their lights back on by the ...

Spanish Prime Minister Pedro Sanchez earlier vowed to have the entire country of 48 million with their lights back on by the ...