While in most cities the policemen and women are held in high esteem for their bravery, in Dubai they are admired for the cars they drive. That's because among their ever growin...

While in most cities the policemen and women are held in high esteem for their bravery, in Dubai they are admired for the cars they drive. That's because among their ever growin...

By Ryan North

Ever since J.K. Rowling planted the idea of an invisibility cloak in her blockbuster Harry Potter book series, scientists have been falling all over themselves to create a mater...