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Benjamin Franklin, American scientist & statesman

Benjamin Franklin. Portrait of Benjamin Franklin (1706-90), American experimental scientist and statesman. Franklin proved the distinction between positive and negative charge. Showing that light- ning is comprised of electricity, he invented the lightning conductor to protect buildings. He also discovered the Gulf Stream in the Atlantic and its high temperature; he suggested that ships use a thermometer to navigate it. He also investigated the ability of different colours to absorb solar heat and invented bifocal spectacle lenses. Franklin was also an active politician and was one of the signatories of the American Declaration of Independence in 1776.
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Título: Benjamin Franklin, American scientist & statesman
Descripción: Ver traducción automática
 Benjamin Franklin. Portrait of Benjamin Franklin (1706-90), American experimental scientist and statesman. Franklin proved the distinction between positive and negative charge. Showing that light- ning is comprised of electricity, he invented the lightning conductor to protect buildings. He also discovered the Gulf Stream in the Atlantic and its high temperature; he suggested that ships use a thermometer to navigate it. He also investigated the ability of different colours to absorb solar heat and invented bifocal spectacle lenses. Franklin was also an active politician and was one of the signatories of the American Declaration of Independence in 1776.
Crédito: Album / SCIENCE SOURCE
Autorizaciones: ? Cesión de modelo: No - ? Cesión de propiedad: No
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Tamaño imagen: 4050 × 4883 px | 56.6 MB
Tamaño impresión: 34.3 × 41.3 cm | 1594.5 × 1922.4 in (300 dpi)
Palabras clave: ABSORCIÓN • ARROYO • BENJAMIN • DESCUBRIDOR • ELECTRICIDAD • EXPLORADOR • INVENTOR • PIONERO • RAYO • RELAMPAGO • RETRATOS • SOLAR