Alyssa Atom Timeline

Events

David Anthony created the wheel

3500 BC

Chinese invented the first compass

900 BC

Democritus created the first atomic model

500 BC

Aristotle said that there were no atoms

404 BC

German Johannes Gutenburg invented the printing press.

1440

Antonie Lavosier identified that Sulfur was a element.

1777

Henrey Bessemer developed a process to mass-produce steel from iron and make a nail.

1790

Joseph Proust discovered the law of constant composition

1799

John Dalton helped come up with the atomic theory

1806

Amadeo Avagadro studied John Dalton and Joseph Gay-Lussac and the work they did

1808

The internal combustion engine was created

1830

J.J. Thomson made an experiment to study the nature of electric discharge in a high vaccum cathode-ray tube.

1846

William Crookes invented many devices that study the behavior of cathode rays.

1872

Alexander Graham Bell invents the telephone

1876

Thomas Edison invented the first light bulb

1879

Ernest Rutherford studied the radiation emitted by uranium

1891

Madame Curie discovered the chemical element uranium

1895

Albert Einstein developed one of the two pillars of modern physics.

1900

Max Planck solved a problem prompted by puzzlement over the electromagnetic spectrum emitted by hot objects.

1900

Henri Becquerel discovered evidence of radioactivity

1903

Robert Millikan would do experiments to determine the electric charge carried by a single electron.

1908

Niels Bohr worked and revealed thta atoms were made up of a tiny dense psoitively charged nucleus.

1912

Henry Moseley used self- built equipment to prove that every element's identity is uniquely determined by the number of protons it has.

1913

Werner heisenberg made a suggestion that had to do with unified field theory

1925

Louis deBroglie came up with the atomic theory

1927

Scientists created a pill called contraceptives

1930

James Chadwick discovered the neutron

1932

Erwin Schrodinger applied the study of physics to the study of life

1935

Alexander Fleming developed Penicillin

1944

The internet was created

1960