alb3813398

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.

Partager
Pinterest
Twitter
Facebook
Copier le lien
Email

Ajouter à une autre Lightbox

Avez-vous déjà un compte? S'identifier

Vous n'avez pas de compte ? S'inscrire

Acheter cette image. Sélectionnez l'usage:

Titre: Benjamin Franklin, American scientist & statesman

Légende: Voir la traduction automatique
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.

Crédit: Album / SCIENCE SOURCE

Autorisations: ? Autorisation de modèle: Non - ? Autorisation de propriété: Non
Questions sur les droits?

Taille de l'image: 4050 × 4883 px | 56.6 MB

Taille d'impression: 34.3 × 41.3 cm | 1594.5 × 1922.4 in (300 dpi)

Mots clés: CHERCHEUR • CIEL, ECLAIRS • DECOUVREUR • ECLAIR • ELECTRICITE • EXPLORATEUR • FOUDRE • INVENTEUR • ORAGE ECLAIRS • PHYSIQUE ELECTRICITE • SOLAIRE