Video encyclopedia

Flashback calendar

Indian physicist Gopalasamudram Ramachandran dies

Ramachandran was known for his research on peptides, the basic stones of life. He invented a way to visualize energetically allowed shapes of their molecules. Such visualizations are now called Ramachandran plots. He was also first who proposed a triple-helical model for the structure of collagen, most abundant protein in human body.

Mars Odyssey launch

Odyssey was launched from Cape Canaveral Air Force Station and reached Mars orbit on October 24, 2001. Its mission is to use spectrometers and a thermal imager to detect evidence of past or present water and ice, as well as study the planet's geology and radiation environment.

First Shuttle spacewalk

American astronauts Story Musgrave and Donald H. Peterson conducted first extravehicular activity from the board of a space shuttle. The shuttle in question was Challenger. Musgrave and Peterson used brand new spacesuits designed especially for the shuttle missions. Their spacewalk lasted 4 hours and 17 minutes.

The Internet's symbolic birth date

The inception of the Request for Comments format occurred as part of the seminal ARPANET project. RFC 1, entitled "Host Software", was written by Steve Crocker of the University of California, Los Angeles.

Kenneth Oakley is born

Kenneth Oakley was an English physical anthropologist, geologist, and paleontologist. He developed a method to date fossils bones by measuring their fluoride levels, based on a French mineralogist's theory that bones would gradually absorb fluoride from surrounding soil.

Nansen at 86°14′

Norwegian explorers Fridtjof Nansen and Hjalmar Johansen reached 86°13.6′N. They wanted to reach the North Pole (90°N) but were unsuccessful and retreated. Before final attempt to reach Pole overland Nansen and his crew drifted 18 months through the Arctic Ocean aboard his ship Fram frozen into a pack of ice.

American industrialist Will Keith Kellogg is born

Keith Kellogg founded a Kellogg Company, which exist to this day and produces breakfast cereals. The cereals itself were an invention of his brother, John Harvey Kellogg, physician and anti-masturbation activist. Both brothers belonged to Seventh-Day Adventist Church and promoted healthy living.

Charles University is founded in Prague

Charles University is the oldest and largest university in Czechia and it was the first university in Central Europe. It is one of the oldest universities in Europe in continuous operation and ranks in the upper 1.5 percent of the world’s best universities. Charles University consists of 17 faculties.

Anniversaries of the (in)famous