While experimenting with electrical currents through glass cathode-ray tubes, Röntgen discovered that a piece of barium platinocyanide glowed even though the discharge tube was encased in thick black cardboard and was across the room [source: Britannica]. He theorized that some kind of radiation ...
in 1884, Tesla invented the induction coil or Tesla coil, a device essential to sending and receiving radio waves and one the U.S. Patent Office would later say Marconi relied on for his work [source: Britannica]. But in 1895, a fire destroyed Tesla's lab as he prepared to send a ...
He was awarded the Nobel Prize in Medicine in 2003.1. What is Maximilian Bircher-Benner’s contribution A. He discovered x-ray.B. He set up a healthy eating trend.C. He improved survival rates of operation.D. He did experiments with chemicals to treat diseases.2. Who invented MRI to ...
Roy Patrick Kerr (; born 16 May 1934) is a New Zealand mathematician who discovered the Kerr geometry, an exact solution to the Einstein field equation of general relativity. His solution models the gravitational field outside an uncharged rotating massive object, including a rotating black hole...
Dally and a colleague arrived in Buffalo and quickly set about installing the X-ray machine in the Millburn House, where McKinley had been staying, while the president underwent surgery at the Exposition hospital. One of the bullets had merely grazed McKinley and was discovered in his...
Emil Warburg (1846–1931) became full professor in Freiburg in 1876. He moved to Berlin in 1895 where he was president of the “Physikalisch-Technische Reichsanstalt” from 1905 to 1922. He was the founder of medicinal photochemistry. “Die Schwingungsformen gezupfter und gestrichener Seiten...
October 9, 1926. Marie had always suspected that radium could be used to treat cancer, and she was right.She spent the rest of her years working on ways to use radium to help people.At the same time, her daughter and Frederic did their own research. They discovered artificial ...
It was Alma who discovered the body of Zina Kolmogorova on February 26, 1959. Read more Andrusenko Ivan Gavrilovich (АндрусенкоИванГаврилович) in 1959 was a manager of the Ivdel airport, in 1958 – Tolya airport Chief Officer. Grigoriev notebook 3 Anisimov...
the foundation for calculus. He gave descriptions on the first finite geometric progression, computed areas and volumes of sphere and parabolic segments. He also discovered the laws of lever, density, fluid equilibrium, buoyancy in different fields statics and hydrostatics. He is regarded as the ...
The World Health Organization (WHO) declared it a global pandemic and a public health emergency on January 30, 2020. This global pandemic has been ongoing for nearly 20 months. The delta is a mutated strain of COVID-19. It was first discovered in India in October 2020.2 It was named "...