In Memoriam: 6 Lectures by Stephen Hawking That Changed Our View Of Time and Universe

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Stephen Hawking, the world-renowned scientist whose ideas shaped modern physics and computer science, has died at the age of 76. It was because of his teacher, Dikran Tahta, at St Albans School, that Hawking he got interested in maths.

When Hawking became a professor of mathematics at Cambridge, he attributed his academic success to Mr. Tahta. Stephen Hawking believed that education is important. Not only did he make a significant contribution as a physicist and cosmologist, but also as a lecturer. In memory of Stephen Hawking, let’s remember his contribution to science and education:

Hawking’s Scientific Contribution

In 1970, Stephen Hawking and Roger Penrose proved the first of many singularity theorems. Based on Einstein's theory of gravity, the scientists discovered that singularities (region where space and time become redundant) form in black holes.  

In 1971-1972, Hawking was exploring the black hole mechanics. Namely, he worked on the "no hair" theorem, implying that black holes can be characterized by three qualities (mass, angular momentum, and charge).

In 1974-1975, Hawking worked on the concept of the black hole radiation. The scientist assumed that black holes could emit heat and eventually vanish. The smaller the size of the black hole is,  the more heat is released in the moment of its explosion. Hawking proved that a black hole could explode with the energy of “a million one-megaton hydrogen bombs.”

In 1982, Hawking proved that quantum fluctuations (minuscule variations in the distribution of matter) might result in the spread of galaxies in the universe during inflation.

In 1983, Hawking was developing a quantum theory of gravity. Together with J.B. Hartle, they published “Wave Function of the Universe” which, in theory, can be used to calculate the properties of the universe.

Hawking’s Groundbreaking Public Lectures

Despite his serious illness (amyotrophic lateral sclerosis) Hawking was an educator giving public lectures. Below you will find some of the famous lecture transcripts:

● Into a Black Hole (2008) covers Hawking’s findings on the black holes.

● The Origin of the Universe (2005) is dedicated to the origins and place of humanity within the universe ecosystem.

● Godel and the End of Physics (2002) weighs in on future prediction, and quest for knowledge.

● Space and Time Warps (1999) deliberates on the actual chances of space and time warps existence.  

● The Beginning of Time (1996) reflects Hawking’s take on the limits of time. He weighs in on whether time and universe have the beginning or the end.

● Life in the Universe (1996) is dedicated to the development of intelligent life in the universe.

Without doubt, the world lost a genius and science visionary whose ideas had changed humanity’s view of the universe.

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