Langley
Langley
The official definition of the word bolometer is "a sensitive electrical instrument for measuring radiant energy."
Anders Celsius, a Swedish astronomer, created his temperature scale in 1742.In 1742, the Celsius scale was invented by Swedish Astronomer Anders Celsius.
A Bolometer.
Swedish Astronomer Anders Celsius.
Anders Celsius, a Swedish astronomer, invented the Celsius thermometer in the 18th century.
aryabhata was an mathematic astronomer aryabhata invented zero
Anders Celsius, a Swedish astronomer, invented the Celsius temperature scale in 1742.
In 1714, Gabriel Fahrenheit invented the first mercury thermometer.......The Celsius scale, invented by Swedish Astronomer Anders Celsius (1701-1744)
Anders Celsius, a Swedish astronomer, created his temperature scale in 1742.
Anders Celsius, a Swedish astronomer, created his temperature scale in 1742.
Anders Celsius, a Swedish astronomer, created his temperature scale in 1742.