The year 1721 in science and technology included many events, some of which are listed here. // What is science? There are different theories of what science is. ... // Technology [from Gr. ...
See also:1720 in science, other events of 1721, 1722 in science, list of years in science The year 1720 in science and technology included many events, some of which are listed here. ... 1721 - Wikipedia, the free encyclopedia /**/ @import /skins-1. ... The year 1722 in science and technology included many events, some of which are listed here. ... The following entries cover events of a science or technology related nature which occurred in the listed year. ...
Technology
George Graham improves the pendulum clock's accuracy to 1 second per day by compensating for changes in the pendulum's length due to temperature variations.
George Graham (1674?-1751) was an English clockmaker and inventor and a member of the Royal Society. ... A pendulum clock uses a pendulum as its time base. ...
The year 1721 in science and technology included many events, some of which are listed here.
See also: 1720 in science, other events of 1721, 1722 in science, list of years in science
George Graham improves the pendulum clock's accuracy to 1 second per day by compensating for changes in the pendulum's length due to temperature variations
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