Shen Kuo
Shen Kuo or Shen Kua () (1031 –1095 ) was a polymathic Chinese scientist and statesman of the Song Dynasty (960–1279). Excelling in many fields of study and statecraft, he was a mathematician , astronomer , meteorologist , geologist , zoologist , botanist , pharmacologist more
Black pepper
Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae , cultivated for its fruit , which is usually dried and used as a spice and seasoning . The same fruit is also used to produce white pepper, red/pink pepper, and green pepper. Black pepper is native to South more
Xenon
Xenon ( in the UK, in the US) is a chemical element that has the symbol Xe and atomic number 54. A colorless, heavy, odorless noble gas , xenon occurs in the earth's atmosphere in trace amounts. Although generally unreactive, xenon can undergo a few chemical reaction s such as the forma more
Louis Slotin
Louis Alexander Slotin (December 1 , 1910 – May 30 , 1946 ) was a Canadian physicist and chemist who took part in the Manhattan Project . He was born and raised in the North End of Winnipeg , Manitoba . After earning both his Bachelor of Science and Master of Science degrees fro more
Atomic line filter Faraday filter designed, built and photographed by Jonas Hedin for making daytime LIDAR measurements at Arecibo Observatory.
An atomic line filter (ALF) is an advanced optical band-pass filter used in the physical science s for filtering electromagnetic radiation with precisi more