How we learned to read the universe
In Hand of History for June 3, 2026 you place these 10 real events back into the order they happened. Here they are in chronological order, with the date revealed and why each one matters.
De Revolutionibus places the Sun at the center of the solar system, overthrowing over a millennium of Earth-centered cosmology.
De Revolutionibus places the Sun at the center of the solar system, overthrowing over a millennium of Earth-centered cosmology.
William Harvey's 'Exercitatio Anatomica de Motu Cordis' overturns 1,400 years of Galenic medicine by proving the heart pumps blood in a closed circulatory loop.
William Harvey's 'Exercitatio Anatomica de Motu Cordis' overturns 1,400 years of Galenic medicine by proving the heart pumps blood in a closed circulatory loop.
Mathematical Principles of Natural Philosophy unifies terrestrial and celestial mechanics under universal gravitation, founding classical physics.
Mathematical Principles of Natural Philosophy unifies terrestrial and celestial mechanics under universal gravitation, founding classical physics.
Natural selection provides a unifying mechanism for all biological diversity, revolutionizing humanity's understanding of life itself.
Natural selection provides a unifying mechanism for all biological diversity, revolutionizing humanity's understanding of life itself.
Louis Pasteur's swan-neck flask experiments disprove spontaneous generation and lay the foundation for modern microbiology and the understanding that microorganisms cause infectious disease.
Louis Pasteur's swan-neck flask experiments disprove spontaneous generation and lay the foundation for modern microbiology and the understanding that microorganisms cause infectious disease.
Dmitri Mendeleev arranges all known elements by atomic weight and valence, revealing a periodic law that predicts the existence of undiscovered elements.
Dmitri Mendeleev arranges all known elements by atomic weight and valence, revealing a periodic law that predicts the existence of undiscovered elements.
Max Planck's quantum hypothesis — that energy is emitted in discrete packets — marks the birth of quantum mechanics.
Max Planck's quantum hypothesis — that energy is emitted in discrete packets — marks the birth of quantum mechanics.
By recasting gravity as the curvature of spacetime, Einstein's field equations supersede Newtonian mechanics for massive and fast-moving objects.
By recasting gravity as the curvature of spacetime, Einstein's field equations supersede Newtonian mechanics for massive and fast-moving objects.
The molecular structure of DNA reveals how genetic information is stored and copied, launching the age of molecular biology.
The molecular structure of DNA reveals how genetic information is stored and copied, launching the age of molecular biology.
Discovery of the long-sought Higgs boson at the Large Hadron Collider completes the Standard Model of particle physics.
Discovery of the long-sought Higgs boson at the Large Hadron Collider completes the Standard Model of particle physics.