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Bronze statue of Nicolaus Copernicus on a stone bench in Olsztyn, Masuria, Poland

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Bronze statue of Nicolaus Copernicus on a stone be...

Diver, cave diver with lamp in dark underwater cave explores the surrounding area. Fraskeric dive

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Diver, cave diver with lamp in dark underwater cav...

Aswan, Egypt. December 9th 2022 Beautiful scenic view of an Egyptian house boat on the River Nile

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Aswan, Egypt. December 9th 2022 Beautiful scenic v...

Cover image with copy space, a beautiful view of an Egyptian Felucca sail boat along the River Nile

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Cover image with copy space, a beautiful view of a...

Cairo, Egypt. November 29th 2022 Tourists inside the courtyard and dome of Ibn Tulin Mosque in

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Cairo, Egypt. November 29th 2022 Tourists inside t...

Tunis, Tunisia. 13th May 2024 An old Tunisian man wearing the vermillion red Chechia, traditional

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Tunis, Tunisia. 13th May 2024 An old Tunisian man ...

Count Fyodor Petrovich Litke, born Friedrich Benjamin Lütke, 1797 - 1882, Russian navigator,

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Count Fyodor Petrovich Litke, born Friedrich Benja...

$Historical optical instruments and principles, diagrams showing light refraction, reflection and$

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Historical optical instruments and principles, dia...

Diverse friends enjoying a casual walk through an urban park, engaging in conversation while

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Diverse friends enjoying a casual walk through an ...

Happy multicultural couple walking together, smiling cheerfully while exploring the urban

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Happy multicultural couple walking together, smili...

Technical drawings of clockworks and water wheels marked by the names Huyghens and Fourneyron as

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Technical drawings of clockworks and water wheels ...

The schematic illustration of Alexander Graham Bell's early telephone set from 1877. It illustrates

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The schematic illustration of Alexander Graham Bel...

Lithography shows various types of scales and measuring device devices, various scale designs,

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Lithography shows various types of scales and meas...

Astronomy, dimensions of the planets, seasons, space, Earth orbit, illustration, reproduction from

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Astronomy, dimensions of the planets, seasons, spa...

Historical presentation of color theory, which illustrates the experiments of Isaac Newton and

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Historical presentation of color theory, which ill...

Drawings that illustrate the function of various pumps. Suction pump, pressure pump, fire

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Drawings that illustrate the function of various p...

Beetle, common cockchafer (Melolontha melolontha), exploring a blade of grass in a natural

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Beetle, common cockchafer (Melolontha melolontha),...

Hermann Ludwig Ferdinand von Helmholtz (1821-1894) was a German physiologist and physicist.

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Hermann Ludwig Ferdinand von Helmholtz (1821-1894)...

Educational board that illustrates various simple machines and physical principles using everyday

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Educational board that illustrates various simple ...

Historical presentation of various simple machines and lifting mechanisms, pulleys with rollers and

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Historical presentation of various simple machines...

Figure shows various principles of mechanics and engineering that were developed or described by

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Figure shows various principles of mechanics and e...

The illustration shows the first X-ray image of a human hand, which was taken by Wilhelm Conrad

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The illustration shows the first X-ray image of a ...

Rays of light illuminate the fascinating underwater cave that a diver explores. Fraskeric dive

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Rays of light illuminate the fascinating underwate...

Karl Marx (1818-1883) a German philosopher, economist, historian, sociologist, political theorist,

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Karl Marx (1818-1883) a German philosopher, econom...

Combustion, in chemistry and physics, an exothermic redox reaction in which a combustible substance

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Combustion, in chemistry and physics, an exothermi...

The historical developments and functions of various telescopes from 1590 to 1645, Janszon 1590:

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The historical developments and functions of vario...

Schematic diagrams of various electrical measuring device devices and circuits. Various types of

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Schematic diagrams of various electrical measuring...

Three hikers explore rocky landscape with small water basin in bright skies, Capitol Reef National

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Three hikers explore rocky landscape with small wa...

A traveler explores the narrow, winding passages of an orange slot canyon, Antelope Canyon, Navajo

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A traveler explores the narrow, winding passages o...

The planetary system and the earth in zoning of solar radiation, Earth's orbit in space,

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The planetary system and the earth in zoning of so...

Teaching chart on optics and illustrates various optical principles in connection with the human

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Teaching chart on optics and illustrates various o...

Representations of various physical and hydraulic devices as well as principles, piston pump,

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Representations of various physical and hydraulic ...

A historical educational panel with schematic representations of inventions in the field of

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A historical educational panel with schematic repr...

Scientific apparatus for demonstrating physical principles such as pressure, vacuum and the

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Scientific apparatus for demonstrating physical pr...

Illustration of Morse telegraphy developed in 1835, principle of electrical signal transmission and

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Illustration of Morse telegraphy developed in 1835...

Illustration shows various historical electrostatic generators and devices for generating and

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Illustration shows various historical electrostati...

The phases of the moon and the mechanisms of solar and lunar eclipses, the top shows how eclipses

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The phases of the moon and the mechanisms of solar...

Schematic diagram of James Watt's steam engine from 1769, This engine was the first historically

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Schematic diagram of James Watt's steam engine fro...

Young black man with a backpack smiling at the camera on a city street, exploring urban

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Young black man with a backpack smiling at the cam...

Cairo, Egypt. December 21st 2022 Vespa motor scooter outside Sabil-Kuttab of Katkhuda, in Al Muizz

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Cairo, Egypt. December 21st 2022 Vespa motor scoot...

Bangkok, Thailand. March 18th 2025. A mother with her daughter rides a motor scooter through the

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Bangkok, Thailand. March 18th 2025. A mother with ...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative

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Thomas Henry Huxley, 1825 – 1895, English biologis...

Portrait of Joseph Ritter von Fraunhofer, 1787 – 1826, German physicist and optical lens

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Portrait of Joseph Ritter von Fraunhofer, 1787 – 1...

Bangkok, Thailand. March 18th 2025. A local family outside their shop house in the streets of Talat

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Bangkok, Thailand. March 18th 2025. A local family...

Galileo Galilei before the Roman Inquisition, 1632

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Galileo Galilei before the Roman Inquisition, 1632

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited after

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Portrait of Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in

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Portrait of Thomas Henry Huxley, 1825 – 1895, Engl...

Istanbul, Turkey. March 31st 2017 The Orient Express Restaurant Sirkeci Gar, Train Station,

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Istanbul, Turkey. March 31st 2017 The Orient Expre...

Bangkok, Thailand. March 18th 2025. A smiling older lady sitting outside a shop house in the

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Bangkok, Thailand. March 18th 2025. A smiling olde...

Portrait of Sir Francis Bacon, Baron Baco of Verulam, 1561 - 1626, English lawyer, statesman,

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Portrait of Sir Francis Bacon, Baron Baco of Verul...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Traditional hats being used a street decoration in the Talat Noi neighbourhood of Bangkok,

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Traditional hats being used a street decoration in...

A male hare (Lepus europaeus) in the mating season, first of all explores the situation, mating

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A male hare (Lepus europaeus) in the mating season...

Galileo Galilei, 1564 - 1642, Italian astronomer, handwritten scientific notes

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Galileo Galilei, 1564 - 1642, Italian astronomer, ...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative

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Thomas Henry Huxley, 1825 – 1895, English biologis...

Telephone transmitter mechanism by Johann Philipp Reis, 1834 – 1874, German scientist and inventor

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Telephone transmitter mechanism by Johann Philipp ...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited after

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

An approximately 3-month-old young badger (Meles meles) explores the surroundings of the Dachsburg,

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An approximately 3-month-old young badger (Meles m...

Islamic designed architecture and spiral Tulunid Dynasty Minaret of Ibn Tulin Mosque in Cairo, one

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Islamic designed architecture and spiral Tulunid D...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, father of the fertilizer

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, father of the fertilizer

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer, geographer

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Georg Balthazar von Neumayer, Ritter von Neumayer,...

Egyptian architectural detail of the Spiral Tulunid Dynasty Minaret of Ibn Tulin Mosque in Cairo,

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Egyptian architectural detail of the Spiral Tuluni...

Galileo Galilei, 1564 - 1642, Italian astronomer

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Galileo Galilei, 1564 - 1642, Italian astronomer

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative

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Thomas Henry Huxley, 1825 – 1895, English biologis...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative

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Thomas Henry Huxley, 1825 – 1895, English biologis...

Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer, geographer

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Georg Balthazar von Neumayer, Ritter von Neumayer,...

Cairo, Egypt. November 26th 2022 Cute red motor scooter parked against a red painted wall in the

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Cairo, Egypt. November 26th 2022 Cute red motor sc...

Cairo, Egypt. November 29th 2022 Tourists climb the Spiral Tulunid Dynasty Minaret of Ibn Tulin

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Cairo, Egypt. November 29th 2022 Tourists climb th...

Bangkok, Thailand. March 18th 2025. A motorcycle mechanic rides through the narrow streets of Talat

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Bangkok, Thailand. March 18th 2025. A motorcycle m...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative

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Thomas Henry Huxley, 1825 – 1895, English biologis...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,

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Portrait of Georg Balthazar von Neumayer, Ritter v...

Bangkok, Thailand. March 18th 2025. An elderly couple wearing masks on a motor scooter in the busy

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Bangkok, Thailand. March 18th 2025. An elderly cou...

Richard Porson, 1759-1808, an English classical scholar

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Richard Porson, 1759-1808, an English classical sc...

Female hiker explores an impressive rocky landscape in the Namibian desert, Spitzkoppe, Namibia

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Female hiker explores an impressive rocky landscap...

Galileo Galilei, 1564, 1642, Italian astronomer

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Galileo Galilei, 1564, 1642, Italian astronomer

Scientists of the 19th century, (left to right): Michael Faraday, Thomas Henry Huxley, Charles

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Scientists of the 19th century, (left to right): M...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Woman exploring the ancient salt flats of anana, finding herself immersed in the historical

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Woman exploring the ancient salt flats of anana, f...

Siwa, Egypt. March 11th 2018 A local Siwian man wearing traditional clothes walking in the streets

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Siwa, Egypt. March 11th 2018 A local Siwian man we...

Aristotle, 384-322 BC, ancient Greek philosopher and scientist

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Aristotle, 384-322 BC, ancient Greek philosopher a...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative

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Thomas Henry Huxley, 1825 – 1895, English biologis...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,

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Portrait of Georg Balthazar von Neumayer, Ritter v...

Atlas of Geomagnetism showing magnetic meridian curves and equilibrium lines, convergence of

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Atlas of Geomagnetism showing magnetic meridian cu...

Aswan, Egypt. December 10th 2022 Beautiful landscape view of an Egyptian Felucca sail boat along

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Aswan, Egypt. December 10th 2022 Beautiful landsca...

Aristotle, 384-322 BC, ancient Greek philosopher and scientist

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Aristotle, 384-322 BC, ancient Greek philosopher a...

Cairo, Egypt. December 5th 2022 Traditional Egyptian ramadan lamps for sale at a workshop in the

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Cairo, Egypt. December 5th 2022 Traditional Egypti...

Marie-Sophie Germain, 1776 –1831, French mathematician, physicist and philosopher, digitally edited

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Marie-Sophie Germain, 1776 –1831, French mathemati...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,

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Portrait of Georg Balthazar von Neumayer, Ritter v...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, father of the fertilizer

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Cairo, Egypt, November 26th 2022 Very cool red Vespa motor scooter parked in the Islamic quarter of

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Cairo, Egypt, November 26th 2022 Very cool red Ves...

Aristotle, 384-322 BC, ancient Greek philosopher and scientist, digitally altered

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Aristotle, 384-322 BC, ancient Greek philosopher a...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, father of the fertilizer

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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,

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Portrait of Georg Balthazar von Neumayer, Ritter v...

Atlas of Geomagnetism showing lines of magnetic declination, isogonic lines or isogonic chart, for

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Atlas of Geomagnetism showing lines of magnetic de...

Atlas of Geomagnetism showing horizontal intensity of the Earth's magnetic field for the epoch

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Atlas of Geomagnetism showing horizontal intensity...

Galileo Galilei, 1564 - 1642, Italian astronomer

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Galileo Galilei, 1564 - 1642, Italian astronomer

Bust of Marie-Sophie Germain, 1776 –1831, French mathematician, physicist and philosopher,

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Bust of Marie-Sophie Germain, 1776 –1831, French m...

Johann Philipp Reis, 1834 – 1874, German scientist and inventor, digital edited

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Johann Philipp Reis, 1834 – 1874, German scientist...

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