By the age of 12, Pascal had independently discovered many of Euclid’s theorems. His work in projective geometry at the age of 16, known as Pascal’s Theorem, brought him recognition in the mathematical community.

In the realm of physics, Pascal made significant contributions to the understanding of fluids and pressure. He laid the groundwork for what is now known as Pascal’s Law, which states that a change in pressure applied to an enclosed fluid is transmitted undiminished to all portions of the fluid.

Pascal also conducted experiments with the barometer, providing evidence for the existence of atmospheric pressure and contributing to advancements in the study of air pressure and vacuum.

After a profound religious experience in 1654, Pascal underwent a religious conversion and became deeply committed to Christianity. He started to write on theological matters and defend the Jansenist cause, a movement within the Catholic Church.

Pascal’s most famous work, “Pensées,” is a collection of philosophical and theological thoughts. It was intended to be a comprehensive apologia for Christianity but remained unfinished at the time of his death. “Pensées” explores themes such as the human condition, the nature of faith, and the arguments for and against belief in God.

Blaise Pascal’s health declined rapidly, and he died on August 19, 1662, at the age of 39. Despite his relatively short life, Pascal’s contributions to mathematics, physics, and philosophy have left a lasting impact. The unit of pressure, the pascal (Pa), was named in his honor.

Pascal’s insights into mathematics, science, and religion make him a polymathic figure of the 17th century, and his work continues to be studied and revered across various disciplines.