Video encyclopedia

Flashback archive

The Huygens probe lands on Saturn's moon Titan

The probe was a part of the Cassini–Huygens mission. It was the first spacecraft ever to land on Titan, furthest landing from Earth a spacecraft has ever made and the only landing accomplished in the outer Solar System. The probe was named after Dutch astronomer Christiaan Huygens who discovered the moon in 1655.

Remains of Aristotle's lyceum are uncovered

The remains of Aristotle’s Lyceum were uncovered in 1996 when excavation began to clear space for Athens’ new Museum of Modern Art. Descriptions from the works of ancient philosophers had hinted at the location of the grounds which were thought to be just outside the eastern boundary of ancient Athens. The buildings are, without a doubt, those of the original Lyceum, as their foundations lie on the bedrock and there are no other strata further below.

The first prototype of the MiG-17 makes its maiden flight

It was a high-subsonic fighter aircraft produced in the USSR from 1952 and operated by numerous air forces in many variants. It is an advanced development of the very similar appearing MiG-15 of the Korean War. It proved to be effective against the more modern supersonic fighters of the United States in the Vietnam War.

American astronaut and biochemist Shannon Lucid is born

She flew five times into space. Her longest mission was aboard Russian space station Mir. It was a part of the Shuttle-Mir program. Shannon Lucid stayed for 179 days and 188 days in space overall. It was a record for an American and for a woman. Prior to her astronaut job she worked as a biochemist on the University of Oklahoma.

Welsh orthopedic surgeon Robert Jones dies

Jones is considered a father of orthopedic surgery in Britain. He was an early proponent of the use of radiography in orthopedics. He discovered so-called Jones fracture. It is a break between the base and middle part of the fifth metatarsal of the foot. It may occur when changing direction while the heel is off the ground such in dancing, tennis, or basketball.

The first endless chain assembly line is installed

The Ford Motor Company replaced rope with an endless chain. Endless chain assembly line was installed at the Highland Park Assembly Plant. Over the next four months, they raised, lowered, sped up and slowed down the assembly line.

English mathematician and writer Lewis Carroll dies

Carroll was born as Charles Lutwidge Dodgson but is better known under his pen-name. Although was a mathematician, he is more famous because of his two books for children: Alice's Adventures in Wonderland and its sequel Through the Looking-Glass. As an academic, he was interested mainly in geometry, linear and matrix algebra, mathematical logic, and recreational mathematics.

Rolla N. Harger is born

In 1931, Rolla Neil Harger invented an early breathalyzer, called the Drunkometer to test for driving under the influence. In 1938, he was chosen to be on the subcommittee of the National Safety Council that drafted the model legislation that set the blood alcohol content for driving under the influence.

Anniversaries of famous

died 1898

Lewis Carroll

died 2012

Arfa Karim

died 1978

Kurt Gödel