The 1686 in science reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

1686 in science

The year 1686 CE in science and technology included many events, some of which are listed here.

See also: 1685 in science, other events of 1686, 1687 in science and the list of years in science.

Table of contents

1 Astronomy 2 Geology 3 Meteorology 4 Physics 5 Births 6 Deaths

Astronomy

• Gottfried Kirch notices that Chi Cygni's brightness varies.

Geology

• Edmund Halley establishes the relationship between barometric pressure and height above sea level.

Meteorology

• Edmund Halley presents a systematic study of the trade winds and monsoons and identifies solar heating as the cause of atmospheric motions.

Physics

• Isaac Newton uses a fixed length pendulum with weights of varying composition to test the weak equivalence principle to 1 part in 1000

Births

• May 24 - Gabriel Fahrenheit, physicist, inventor (died 1736)

Deaths

• Nicolas Steno: pioneer in early-modern geology (born 1638)

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