When it comes to interior design, people tend to invest in the things that guests will see when they come over. But more and more, homeowners are spending money on a specific detail that's just ...

Since his main target is an escape room, using an Arduino allows also for a whole lot more variety of integrating the secret door into its puzzles, as well as ways to actually unlock it.

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Read on to see 12 secret rooms hidden in plain sight... Creative Home Engineering Based in Gilbert, Arizona, Creative Home Engineering specialises in designing, crafting and installing secret doors ...

However, the elites of New York are investing money in things entirely different -- panic rooms, hidden doors and bulletproof doors.  Gripped by fears of rising crime and immigration anxieties ...