Here are the best uses of the Arrow keys in Excel with Scroll Lock mode turned on. Pressing Ctrl+Shift+Up, Down, Left, or Right Arrows selects the current cell and all cells above, below, to the left, ...

Researchers have devised a novel attack that recovers the secret encryption keys stored in smart cards and smartphones by using cameras in iPhones or commercial surveillance systems to video record ...

The keys are increasingly being used in burglaries across the country. — -- It used to be that only locksmiths used bump keys -– a modified key that can be used to open many kinds of locks –- but ...