Albert Einstein was a renowned physicist who revolutionized our understanding of the universe.

Arnold Sommerfeld (1868-1951) was a German physicist who significantly contributed to the development of quantum theory and atomic physics.

"Cosmos" is a Wikipedia page that serves as an overview of the vast and complex subject of the cosmos, also known as the universe.

DNA, also known as deoxyribonucleic acid, is a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

Electromagnetic radiation refers to the waves of electric and magnetic fields that propagate through space.

A femtosecond is a unit of time in the International System of Units (SI) equal to 10−15 or 1/1 000 000 000 000 000 of a second; that is, one quadrillionth, or one millionth of one billionth, of a second.

Hydrogen is a chemical element with the symbol H and atomic number 1.

James Clerk Maxwell was a Scottish physicist and mathematician who is considered one of the greatest scientists of all time.