The invention of Locks and keys can be traced back about 6,000 years ago by numerous civilisations worldwide, but their origin is unknown.
Egyptians, Romans, and Greeks invented early locks and keys, such as wooden pin locks, intricate metal locks with wards, and metal keys with ridges.
Over time, it developed with the lever tumbler lock, invented in the 18th century, being the most extensively used.
Linus Yale, Sr. created the pin tumbler lock in 1848, which is still used today.
Today, locks and keys are essential in modern society for protecting valuables, ensuring property and safety.
Next: Top 10 Reasons for Falling Bollywood
Find out More..