Fun Fact Friday

  GHAZI ATTACK OF 1971    The PNS Ghazi was the naval submarine, which was used in the naval battle of India-Pakistan Naval War of 1971 during the Bangladesh liberation war and hence popularly known as "Ghazi Attack".  PNS Ghazi was assigned with a two-fold objective. The primary goal was to find and sink INS Vikrant and the second one was to lay mines on India's Eastern seaboard with or without accomplishing the primary objective.   Finally on November 14, 1971, PNS Ghazi secretly sailed 3,000 miles (over 4,800km)    from the Arabian Sea to Bay of Bengal in a bid to locate and destroy INS Vikrant. Its secondary mission was to plant mines in India's eastern seaboard.   Ghazi started looking for Vikrant on November 23 off Madras but was not aware that she was 10 days too late and the Vikrant was actually somewhere near the Andaman islands.  Indian Navy got wind of the Ghazi's presence off the Sri Lankan coast by local fisherman which was ...

  Decimal and Sexagesimal Sexagesimal numeral system is a number system with the base of 60 as Decimal system has the base of 10. This sexagesimal system originated in ancient Sumerian civilisation in 3rd millennium BC, was further passed down to the ancient Babylonians. An hour consists of 60 minutes and a minute consists of 60 seconds but down further units we use a hundredth, millionth, and trillionth of a second i.e. we divide seconds further down by factor of ten i.e. the decimal system The Babylonians used this system for segmentation of time throughout the day and later it spread throughout the world. Many conversions in many units take place with the base 10 as given in the conversion chart below. Why 60 seconds/minutes? There are many possible reasons for the Sumerians, Babylonians and later civilizations to use the sexagesimal system for segmentation of time and measuring angles One of the reasons is that 60 is divisible by 2, 3, 4, 5, 6 i.e. an hour can be explained in h...