Interesting facts about how they tracked Osama bin laden

The First hint for the US was a car which goes to that abandoned house frequently. This car then goes away long miles to send and email and to make a telephone call. This was the thing which alerted US army.

Then the satellite was focused on that house. Once a man came out of that house and they was not sure that it was Osama.

They made a calculation.  They first collection Osama’s height then they analyzed it with the photograph taken by the satellite. They calculated the angle of satellite and calculated the height of his shadow in the photo and time of the snap and the result gave more than 70% possibility that it was Osama.

Interesting Facts about Panama Canal

• Boats have to pay to cross the Panama Canal. A cruise must pay 60000 pounds to cross this canal.  A man named Richard Hallibuton paid the lowest toll of 22 pence when he swam the length of canal in 1928
• A ship travels for about nine hours in Panama Canal and its 82 kms travel.

• If panama canal is not there then ships should travel 80000 kms more.
• There is an interesting lift to lift the ship higher and make to float in other side of the canal. This functions as follows. The ship is locked inside a big tub like area and water is filled into it so the ship comes upward and make it float in other side , vice versa the water is removed from the lock and ship lowers to other end, It’s a simple machine right??