New images show a front-line NATO ally's plan to blunt a Russian invasion at the border You have two coins that equal 30 cents One is not a quarter What two coins do you have Vikings face backlash ...

How fast is your computer inside?Digital video has always meant moving a lot of data around inside a computer. And as computers get ever more powerful, Phil Rhodes explains what really goes on inside ...

Instead, they just get moved inside of computers. “Being a computer” means something different today than in 1950, when Turing proposed the imitation game.