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12
AprInternational Day
of Human Space FlightOn April 12, 1961, Soviet cosmonaut Yuri Gagarin became the first person to travel into space. He made a 108-minute orbital flight in the fully automated Vostok 1 space capsule. Gagarin did not land in his space capsule. Vostok … Continue reading →
22
FebCatching the Wave
On February 22, 1857, German physicist Heinrich Rudolf Hertz was born. He was a student and protégé of the great Hermann von Helmholtz. Hertz began his career as a university lecturer and quickly established himself as an accomplished speaker. In … Continue reading →
Tag Archives: Hermann von Helmholtz
Giant Footsteps
On August 31, 1821, German physician and physicist Hermann Ludwig Ferdinand von Helmholtz was born. He became a universal scholar – natural science, medicine, physiology, physics, chemistry, music, acoustics, electromagnetics, meteorology, and their related technologies. He explored current theories, performed … Continue reading
Posted in On This Day
Tagged August 31, Hermann Ludwig Ferdinand von Helmholtz, Hermann von Helmholtz, On This Day, ophthalmometer, ophthalmoscope, The Roberta Bondar Foundation
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