The world's largest concrete dam, and the largest concrete structure in the world, lies on the Columbia River in the State of Washington built in 1931, it is also one of the largest hydroelectric power plants in the world.
Showing1to20of611results
Profile five deadly weapons focusing on inventors, battles, and technology: Tsar Bomba 50-megaton nuclear bomb, WWI machine guns, WWII incendiary bombs, proximity fuses for artillery detonation, and VX nerve gas chemical agent.
The idea of floating to earth from great heights dates back centuries, and from the beginning parachutes combined entertainment with life-saving utility the parachute has also played a vital role in modern warfare since WWI.
From the earliest recorded account of an amputation and subsequent prosthesis in ancient Hindu writings, to today's use of plastics and space-age materials, we chronicle the long history of prosthetic devices.
For centuries, banks enable the creation of wealth a chronicle of banking, from its early European origins to e-banking modern technology revolutionizes the way banks do business.
World War I is the first lethal combination of Industrial Age technology and war on a large scale.
A fun-filled glimpse into the not so distant history of video games since inception, the gaming industry has been a driving force in computer technology and video games are one of today's dominant entertainment mediums.
Star City, the Gagarin Center for Training Cosmonauts, was established by the former Soviet Union in the 1960s as a school for the future conquerors of space.
George Washington Carver rose from slavery to become one of the 20th century's greatest scientists at Tuskegee Institute, he invented over 300 peanut uses, developed crop rotation, and changed rural economy through agricultural innovations.
Profile five deadly weapons focusing on inventors, battles, and technology: Tsar Bomba 50-megaton nuclear bomb, WWI machine guns, WWII incendiary bombs, proximity fuses for artillery detonation, and VX nerve gas chemical agent.
The idea of floating to earth from great heights dates back centuries, and from the beginning parachutes combined entertainment with life-saving utility the parachute has also played a vital role in modern warfare since WWI.
From the earliest recorded account of an amputation and subsequent prosthesis in ancient Hindu writings, to today's use of plastics and space-age materials, we chronicle the long history of prosthetic devices.
For centuries, banks enable the creation of wealth a chronicle of banking, from its early European origins to e-banking modern technology revolutionizes the way banks do business.
World War I is the first lethal combination of Industrial Age technology and war on a large scale.
A fun-filled glimpse into the not so distant history of video games since inception, the gaming industry has been a driving force in computer technology and video games are one of today's dominant entertainment mediums.
Star City, the Gagarin Center for Training Cosmonauts, was established by the former Soviet Union in the 1960s as a school for the future conquerors of space.
George Washington Carver rose from slavery to become one of the 20th century's greatest scientists at Tuskegee Institute, he invented over 300 peanut uses, developed crop rotation, and changed rural economy through agricultural innovations.
Winding 6,000 kilometers through undulating mountains, it is said to be visible with the naked eye from the moon historians, engineers, and scientists explore one of the wonders of the ancient world.
When finally completed, China's Three Gorges Dam will tower 607 feet in the air and weigh more than forty Great Pyramids along with China's Great Wall, it will constitute of the two man-made objects visible from the moon.
Dynamite explodes hills, drills divide stone walls, and giant cranes pull 400,000-pound blocks from quarry pits rock serves as civilization's raw material for roads, buildings, paint, glue, makeup, antacids, and chewing gum.
An underground subway system transforms the bustling metropolis of Athens, Greece, alleviating chronic traffic problems, meeting the needs of the 2004 Olympics and uncovering thousands of invaluable artifacts.
Showing1to20of611results
