Avalanche of the 20th century to kill 10,000 people

On December 13, 1916, in the Italian Alps, an Avalanche buried many villages and causing an estimated 10,000 casualties. Continue reading

Avalanche of the 20th century to kill 10,000 people

On December 13, 1916, in the Italian Alps, an Avalanche buried many villages and causing an estimated 10,000 casualties. Continue reading

Wilhelm Conrad Röntgen

Born to a German father and a Dutch mother, Röntgen attended high school in Utrecht, Netherlands. Continue reading

X-ray photograph of human anatomy

Wilhelm Conrad Röntgen (or Roentgen), the discoverer of X rays, on December 22, 1895, in Wurzburg, Germany. Continue reading

ail accident in which more than 500 people were killed

On December 12, 1917, an overloaded troop train derailed at Saint-Michel-de-Maurienne, France. The Rail accident’s official death toll was 573, but there could have been as many as 1,000 soldiers deaths. Continue reading

Close-up photographs of Jupiter

The U.S.-built planetary probe Pioneer 10 satellite was launched on March 2, 1972, from Cape Canaveral, FL, USA. Then on December 3, 1973, as Pioneer 10 passed Jupiter, it took Close-up photographs of of the giant planet. Continue reading

John Bardeen

John Bardeen (/bɑːrˈdiːn/; May 23, 1908 – January 30, 1991) was an American physicist and electrical engineer, the only person to have won the Nobel Prize in Physics twice: first in 1956 with William Shockley and Walter Brattain for the invention of the transistor; and again in 1972 with Leon N Cooper and John Robert Schrieffer for a fundamental theory of conventional superconductivity known as the BCS theory. Continue reading

Hideki Yukawa

He was born as Hideki Ogawa in Tokyo and grew up in Kyoto with two older brothers, two older sisters, and two younger brothers. Continue reading

Radio Message from England Received by Canada

Guglielmo Marconi, the developer of radio, received a simple message of morse-code signal for "s". Continue reading

Leonardo da Vinci

Leonardo di ser Piero da Vinci (Italian: [leoˈnardo di ˌsɛr ˈpjɛːro da (v)ˈvintʃi] ( listen); 15 April 1452 – 2 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography. Continue reading