EVERYDAY SCIENCE

Detailed explanation-1: -Big Ben is considered to be working normally as long as it’s striking within two seconds of the actual time. So two seconds early or two seconds late is fine. Which to be fair, is pretty accurate.

Detailed explanation-2: -Big Ben is accurate to within two seconds per week. The pendulum is adjusted by adding pennies made before the decimalization of the United Kingdom’s currency in 1971 to the weight. Each penny causes Big Ben to gain 0.4 second per day.

Detailed explanation-3: -Designed by Edmund Beckett Denison, the clock took 13 years to build and it was completed in 1859. It has worked continuously since then except for a few months in 1976 when it broke down and had to be fixed. Big Ben is one of England’s best-known landmarks. Some believe it got its name from Sir Benjamin Hall.

Detailed explanation-4: -Big Ben is the nickname for the Great Bell of the Great Clock of Westminster, at the north end of the Palace of Westminster in London, England, and the name is frequently extended to refer also to the clock and the clock tower.