The telephone, invented by Alexander Graham Bell in 1876, enabled real-time voice communication over long distances.

The discovery of penicillin by Alexander Fleming in 1928 marked the beginning of the antibiotic era, revolutionizing the treatment of infectious diseases.

The invention of the airplane by the Wright brothers in 1903 opened up the skies for transportation and revolutionized warfare.

The discovery of nuclear fission by Otto Hahn and Fritz Strassmann in 1938 led to the development of nuclear weapons and nuclear energy.

The invention of the motion picture camera in the late 19th century enabled the creation and projection of moving images, giving birth to the film industry.

The Big Bang Theory, proposed by Georges Lemaître in the 1920s, revolutionized our understanding of the origin and evolution of the universe.

The invention of the talkie in the late 1920s introduced synchronized sound to motion pictures, transforming the film industry.

The invention of the transistor in 1947 by John Bardeen, Walter Brattain, and William Shockley paved the way for the development of modern computers.

The invention of the Internet in the late 20th century brought about a global network of interconnected computers, revolutionizing communication, information sharing, and commerce.

The discovery of the DNA structure by James Watson and Francis Crick in 1953 laid the foundation for understanding genetics and revolutionized the field of biology.

The invention of the rocket in the early 20th century enabled humans to break free from Earth's gravity and explore space.

The Green Revolution in the mid-20th century introduced new agricultural techniques and high-yielding crop varieties, leading to a significant increase in food production.

The invention of the steam engine in the 18th century revolutionized transportation, leading to the development of steam-powered locomotives and ships.

The discovery of the germ theory of disease by Louis Pasteur in the 19th century led to the development of vaccines, which have saved millions of lives.

The invention of the electric generator in the 19th century enabled the generation of electricity, which revolutionized lighting, power, and communication.