1673 in science
The year 1673 in science and technology involved some significant events.
Mathematics
- John Kersey begins publication of The Elements of that Mathematical Art Commonly Called Algebra.
- Gottfried Wilhelm Leibniz rediscovers the arctangent series and obtains the Leibniz formula for as the special case.
- Samuel Morland publishes A Perpetual Almanack and Several Useful Tables.
Microbiology
- Antonie van Leeuwenhoek's observations with the microscope are first published in Philosophical Transactions of the Royal Society.
Physics
- Christiaan Huygens publishes his mathematical analysis of the pendulum, Horologium Oscillatorium sive de motu pendulorum.
Births
- August 10 – Johann Konrad Dippel, German theologian, alchemist and physician
- August 11 – Richard Mead, English physician