You'd think after years of rustling up meals and snacks, a dad would know his microwave like the back of his hand. But one father has just discovered a "secret code" on his appliance, and it turns out ...

Practically everyone uses a smartphone these days—but did you know that there are some secret codes to unlock information on ...

According to SlashGear, modern Galaxy smartphones have a so-called "secret" diagnostic menu which you can access via a special code. This hidden menu features a basic design for its interface, and is ...