... city two minutes before, we could now no longer see the city. We could see smoke and fires creeping up the sides of the mountain." The atomic bomb wiped out 4.1 square miles of Hiroshima. That is about sixty percent of the city. The atomic bomb crashed with the explosive power of 20,000 tons of TNT. The explosion from the bomb was ... fireball sucked up millions of tons of dust and debris and formed a mushroom cloud that rained radioactive material on the city. The smoke cloud was visible as much as 160 miles at sea and hung over the city for at least four hours. Eighty percent of all b...

• Word Count: 1619
• Approx Pages: 6
• Grade Level: High School

... water, which makes it easier for the keeper - instead of trying to match up water quality that is hundreds of thousands of miles away. Tortugas Ecological Reserve is one of the newly protected areas. This reserve is 151 square nautical miles. This is one of the largest conservation areas (Mineta 2). This is one of the many successful efforts in conserving the reefs. Many ... ...

• Word Count: 2520
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School

In the early morning hours of August 6, 1945, the American bomber Enola Gay dropped a five-ton bomb on the Japanese city of Hiroshima. Four square miles of the city was reduced to rubble and more than 80,000 innocent civilians were killed on impact. The second bomb was dropped on Nagasaki three days later. Another 40, ... ...

• Word Count: 604
• Approx Pages: 2
• Grade Level: High School

... . The superheated air and winds fan the fires started by the thermal pulse leaving a wide area of destruction. The atomic bomb over Nagasaki caused earth-leveling devastation to approximately 42.9 square miles. (5) Initially, radiation was less of a concern for affecting the number of casualties from a nuclear explosion, but soon Japan felt the lethal after effects of the atomic bomb's radioactive fallout. It ... ...

• Word Count: 1673
• Approx Pages: 7
• Has Bibliography
• Grade Level: High School

... had broke and melted due to the extreme heat put off by the explosion. Before the blast, Hiroshima had forty-five hospitals. . . after the explosion, three were standing. About six square kilometers of the commercial and residential areas of the city had been completely destroyed by this blast. The explosion had barely touched factories that lay on the city edge. When ... more powerful than the one dropped in Hiroshima. Over 75,000 people died during this bombing. Twelve hours later, fires in Nagasaki were burning so brightly that pilots two hundred miles away could see the blaze. The J...

• Word Count: 3980
• Approx Pages: 16
• Has Bibliography
• Grade Level: High School

... . In 1946 ENIAC (Electronic Numerical integrator And Calculator) was developed as a result of military need. It was too large to be kept as it took up all space in a 20x40 square feet room and used 19000 vacuum tubes, 70,000 resistors and 500,000 solder connections. It could perform 5,000 additions in a second. It is said that the lights of nearby ... because it's cheap and easy to get connected. Internet has made this world a global village in true sense. After the invention of webcam now one can talk any one, thousands miles away by watching him and being watched by him!! Now internet ...

• Word Count: 1687
• Approx Pages: 7
• Grade Level: High School