Historical Images & Videos on Instagram: "The Iguaçu Falls, located on the border between Brazil and Argentina, are a set of 275 waterfalls stretching for approximately 2.7 km. Formed over basaltic rocks resulting from ancient lava flows in the Paraná Basin, these falls impress with their grandeur and natural beauty. Under normal conditions, the average flow of the falls is about 1.5 million liters of water per second. However, after periods of heavy rainfall, this volume can increase significan

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Invention on Instagram: "In 2013, IBM scientists created A Boy and His Atom, the world’s smallest movie, by moving individual carbon monoxide molecules one at a time. Using a scanning tunneling microscope, which can magnify surfaces over 100 million times, they positioned 65 atoms to form shapes and patterns that came together as frames of a stop motion film. Each frame measured just 45 by 25 nanometers, so small that 1,000 frames could fit inside a single grain of salt. The achievement was reco