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Samuel Pierpont Langley’s drawing of a sun spot, 1873. In the mid-1600’s, Sir Isaac Newton utilized a prism to prove that sunlight wasn’t a single color but a spectrum of colors, each with its own wavelength. By the early 1800s, Sir William Herschel had discovered that the different parts of this spectrum, possessed different temperatures.
Samuel Pierpont Langley (1834-1906) was an American astronomer, physicist, and inventor. He is best known as the inventor of the bolometer and as an aviation pioneer. Prior to joining the University of Pittsburgh, he was an assistant in the Harvard College Observatory, and a chair of mathematics at the United States Naval Academy.
By the start of the 20th century the Secretary of the Smithsonian, Samuel Pierpont Langley, had bet his reputation — not to mention tens of thousands of government dollars — that he would ...
Samuel Pierpont Langley (Roxbury (Massachusetts), 22 augustus 1834 – Aiken (South Carolina), 27 februari 1906) was een Amerikaans astronoom en natuurkundige. Hij is de uitvinder van de bolometer . Zijn infrarood -waarnemingen van de maan werden door Svante Arrhenius gebruikt om het effect van kooldioxide op de temperatuur van de aarde te berekenen.
Samuel Pierpont Langley (Roxbury, 1834 - Aiken, 1906) Astrónomo y físico norteamericano. Su educación oficial únicamente llegó hasta la escuela secundaria, y a partir de entonces completó su formación de manera autodidacta en las bibliotecas de Boston, logrando alcanzar unos conocimientos muy avanzados en materias como ingeniería y astronomía.
Samuel Pierpont Langley. Samuel Pierpont Langley (Roxbury, 22 agosto 1834 – Aiken, 27 febbraio 1906) è stato un astronomo, inventore e pioniere dell'aviazione statunitense, noto per aver inventato il bolometro e per i suoi studi in campo aeronautico, nonché per essere stato segretario dello Smithsonian Institution dal 1887 al 1906.
In 1886, he undertook a series of experiments on a rotating rig to measure the power needed to propel objects through the air. Encouraged by his findings, Langley set out to build a series of large working models of steam-powered flying machines he called "aerodromes," and, in 1896, became the first to build heavier-than-air machines capable of ...
