This mounted photograph shows the Texas Instruments laboratory where Jack Kilby, Jerry Merryman and James Van Tassel worked at inventing the handheld calculator. The boxes numbered from 1 to 6 contain ...

Top 10s shares wild pranks teachers pulled that completely backfired.

This handheld electronic calculator has a metal and plastic case with an array of twenty rectangular plastic keys with rounded corners. These include ten digit keys, a decimal point key, a percentage ...

Five trainee Gardaí have been suspended for allegedly handcuffing another trainee and leaving him under a running shower - in what has been described as 'a prank that got out of hand'.