Pythagorean Cup – The clever mischievous cup !

The first thing which comes into my mind – A must do prank ! 😛 A Pythagorean Cup OR a Greedy Cup is a form  of a drinking cup which forces its user to consume less alcohol. It allows the user to fill the cup with wine, alcohol or any other liquid…

SURPRISE ME !

How do trains turn without differential ?

We have travelled thousands of kilometers in trains, but we haven’t given a thought about how do trains turn during a curved path ? Both the wheels are connected through an axle & obviously are of same diameter. But,when a train takes turn, the outer wheel has to cover more…

SURPRISE ME !