Search Results: Surface tension

A section of a Roman road with a typical polygonal stone surface. The stones also show the ruts made by Roman wheeled vehicles. This section is beneath the Arco dei Gavi, a 1st century CE arch in Verona, Italy.

Gold is a treasure, and he who possesses it does all he wishes to in this world, and succeeds in helping souls into paradise. Christopher Columbus. On June 22, 2005, the Sulaymaniyah Museum of Iraqi Kurdistan purchased a pair...

The Investiture Controversy, also referred to as the Investiture Contest or Investiture Dispute, was a conflict lasting from 1076 to 1122 between the papacy of the Catholic Church and the Salian Dynasty of German monarchs who ruled the Holy...

Khatam is a decoration technique used exclusively on wooden objects and one of Iran's finest and most delicate crafts consisting of geometrical patterns. Small squares or triangles are laid next to one another in different compositions, colors...

Jerusalem is a major holy city for the three Western traditions of Judaism, Christianity, and Islam. It sits on spurs of bedrock between the Mediterranean Sea and the Dead Sea area. To the north and west, it tapers off to the Jezreel Valley...

The St. Bartholomew's Day Massacre was a widespread slaughter of French Protestants (Huguenots) by Catholics beginning on 24 August 1572 and lasting over two months, resulting in the deaths of between 5,000 and 25,000 people. It began in...

Philip Melanchthon (l. 1497-1560) was a German scholar and theologian who provided the intellectual rationale and systematized theology for the reformed vision of Christianity of his friend Martin Luther (l. 1483-1546). He was always overshadowed...

The Cheyenne Creation Story is the account of the beginning of the world, the seasons, and the first people in the time before time when all was water, and nothing existed but the Creator and aquatic birds. There are many versions of the...

Operation Chastise, the 'Dambusters' raid, was an attack by a squadron of RAF Lancaster bombers on the dams of the Ruhr basin in Germany in May 1943. Led by Squadron Leader Guy Gibson, the bombers breached two dams causing enormous flooding...

Henry Hudson (c. 1570-1611) was an English navigator and maritime explorer. He is known for his four voyages between 1607 and 1610 in search of a northwest passage via the Arctic Ocean to the Far East. The lure of a northwest passage became...