Transcript: "Little Boy" atomic bomb at the National Museum of the United States Air Force. Many of the wounded in the atom bomb attacks would die in the coming days, months and even years due to radiation exposure and burns. (cc) photo by Metro Centric on Flickr http://www.nuclearfiles.org/menu/key-issues/nuclear-weapons/history/pre-cold-war/manhattan-project/littleboy.htm The Hiroshima Genbaku Dome after the bombing outlook A gun-type nuclear weapon, Little Boy relied on one mass of uranium-235 hitting another to create a nuclear reaction notes Budapest Injured civilian casualties San Francisco Early work focused "gun-type" designs which fired one piece of uranium into another to create a nuclear chain reaction Results Strike order for the Hiroshima bombing as posted on 5 August 1945 Notes Length: 120.0 inches (10 feet / 3.0 meters) Diameter: 28.0 inches (71.1 cm) Weight: 9,700 lbs (4,400 kg) Yield: 15 kiltons (+/- 20%) Stockholm The final design specified the use of 64 kilograms of uranium-235 Little Boy (cc) photo by jimmyharris on Flickr (cc) photo by Franco Folini on Flickr http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=1026 Blast& fire damage map The terrain and spread-out nature of Nagasaki reduced destruction of life and property somewhat despite Fat Man's greater destructive power. http://www.americainwwii.com/stories/fatmanandlittleboy.html The Enola Gay dropped the "Little Boy" atomic bomb on Hiroshima(5 air crafts ground crew with mission commander). Research When constructed in 1945, the "Little Boy" on display was an operational weapon, but it has been completely demilitarized for display purposes. To meet the project's needs, enriched uranium production began at a new facility in Oak Ridge, TN in early 1943 photo frame The Atomic Bombs Attack Citations (cc) photo by Metro Centric on Flickr Assets map Works Cited Brainstorm
Transcript: How does it relate to chemistry? Little boy was powered by Uranium-235. Scientists had to figure out a way to separate and purify uranium-235 from uranium-238. Scientist couldn't find a way to separate these two isotopes because they have a strong chemical similarity. General Leslie Groves decided to separate his top scientist in order for them to create four methods in which they could obtain enough Uranium-235 to power Little Boy. Once there was enough U-235, Little Boy was constructed. By: Vanessa Amaro Adan Paxtar Little Boy Little Boy One nuclear equation and Its Half-Life Diagram and a Image The equation for Little Boy is: 235U+10n→ 95Sr+139Xe+2 10n+180MeV Uranium has a half-life of about 700 million years, half the atoms in any sample will decay in that amount of time. Little boy was a nuclear bomb that was dropped on Hiroshima. The day was August 6, 1945 killing 140,000 people. Hiroshima was targeted because it was untouched by bombing raids plus the bomb effects could be clearly measured. Little Boy had a big impact on society. It killed many people the day the bomb was dropped. When the bomb exploded it released radiation into the air. Survivors of the explosion were exposed to the radiation of the bomb that would later affect their health. For example, "radiation damage to the intestinal tract lining will cause nausea, bloody vomiting and diarrhea." The Impact it had on Society
Transcript: Haiku In a bed of colors Little Boy kanji is rain in Japanese 7 umbrellas per person (63.1 in) of rain each year Leaves falling to the ground Little Boy Sports Day I watch as they settle down Words of Wisdom Little Boy weighed 9,700 pounds " A wise man can see more from the bottom of a well than a fool can from a mountain top." More facts on sports day Little Boy carried 64 kg of uranium 235 Some of the events include: ball toss, tug-o-war, rugby, sack races, and so on. Rain begins 8:30 am with a parade
Transcript: Little Boy Detail 4 There was another man with no nose . He wanted to kill the scar headed boy. There was once a little boy with a scar on his face. Detail 3 But there mother's love for the boy was like a shield
Transcript: The most powerful weapon ever designed. The most concentrated release of explosions ever. 40 million pounds of TNT. Weighs about 9,000 pounds. Heavily loaded. When the bomb hits it will burn at 1 million degrees Celsius and will be 10 times brighter than the sun. President Harry Truman 33rd President of the United States Saw the ending of WWII Decision to use the bomb was last minute He gave orders on August 3, 1945, but due to the weather, bomb wasn't dropped until August 6. Did not truly understand the impact the bomb would have but did know it would bring an end to the war. Truman has his speech prepared and ready to read but has left the city blank, as the crew doesn't know what city it will drop the bomb on until they are in the air. Enola Gay Consisted of a 12 man crew Named after pilot Col. Paul Tibbets' mother Tibbits is given 12 cyanide capsules just before takeoff, one for each crew member, because this is so secret of a mission and if the plane is shot down every crew member faces torture and possible execution and these would take less than 10 seconds to kill painlessly. Two other B-29s accompany the Enola Gay: Great Artiste is carrying scientific instruments, the Necessary Evil carries specialist observers, while the Enola Gay carries the bomb. Hiroshima, Japan Had not been affected by the war yet. Had never been bombed. It is a perfect cloudless day, and the city is alerted to the air raid and sees the B-29s. No one reacts because this has happened many times before and they were never bombed so no one pays attention. When the Enola Gay went flying overhead, locals did not take cover, as they had seen many planes pass by without ever being bombed. They had no idea what was about to happen. There were 3 other designated targets just in case. Three weather planes will fly one hour ahead to each target, the weather chooses the target, and on this day it was Hiroshima. Of this day, reportedly only 5 photos were taken and survived. "Little Boy" Video on Hiroshima and Nagasaki
Transcript: - Father Kleinsorge, a German priest - Mr. Tanimoto, a citizen who was unharmed - Dr. Fujii, a doctor who helped the injured - Toshiko Sasaki, a clerk who got trapped under a bookshelf - Dr. Sasaki, a surgeon who worked at Red Cross - Mrs. Nakamura, a mother who has to take care of her two children Atomic bomb named Little Boy - 9,700 pounds heavy - 10 feet long - Filled with Uranium-235 - Blast yield of 15 kilotons of TNT - Only one ever dropped, and resulted in hundreds of thousands dead Characters
Transcript: Weight: 9,700 lbs Length: 10 ft.; Diameter: 28 in. Fuel: Highly enriched uranium; "Oralloy" Uranium Fuel: approx. 140 lbs; target - 85 lbs and projectile - 55 lbs Target case, barrel, uranium projectile, and other main parts ferried to Tinian Island via USS Indianapolis Uranium target component ferried to Tinian via C-54 aircraft of the 509th Composite Group Efficiency of weapon: poor Approx. 1.38% of the uranium fuel actually fissioned Explosive force: 15,000 tons of TNT equivalent Use: Dropped on Japanese city of Hiroshima; August 6, 1945 Delivery: B-29 Enola Gay piloted by Col. Paul Tibbets The little Boy Fat Man The Little Boy was smaller than the Fat Man but caused many more deaths. After dropping the Fat Man on Nagasaki, Japan surrendered because they thought the US had another bomb to drop. Click to add text This bomb was dropped on Nagasaki, Japan on August 9th, 1945. It weighed 10,800 pounds, was 10ft 8in long, with a diameter of 60in. It had the same blast force as 21,000 tons of TNT This was also dropped by the Enola Gay. Impact on the War Weight: 10,800 lbs Length: 10 ft 8 in.; Diameter: 60 in. Fuel: Highly enriched plutonium 239 Plutonium Fuel: approx. 13.6 lbs; approx. size of a softball Plutonium core surrounded by 5,300 lbs of high explosives; plutonium core reduced to size of tennis ball Bomb Initiator: Beryllium - Polonium All components of Fat Man ferried to Tinian Island aboard B-29's of the 509th CG Efficiency of weapon: 10 times that of Little Boy Approx 1.176 grams of plutonium converted to energy Explosive force: 21,000 tons of TNT equivalent Use: Dropped on Japanese city of Nagasaki; August 9, 1945 Nuclear Weaponeer: Cdr. Frederick Ashworth Delivery: B-29 Bockscar piloted by Maj. Charles Sweeney the fat man By Michael Miller and Matthew James who: the little boy and the fat man were atomic bombs the were dropped in 2 cities in japan, hiroshima and Nagasaki, that inturn caused japan to srrender to the U.S. and drop out of the war. Enola Gay The Little Boy, Fat Man, and Enola Gay The Little Boy was dropped first on August 6, 1945 on Hiroshima, Japan. It was dropped by the Enola Gay. It weighed 9,700 pounds and was 10 feet long with a diameter of 28 inches. The blast force was equal to 15,000 tons of TNT. Piloted by Paul Tibbets B-29-40-MO SuperFortress Plane's radio code is Victor 12 During July 1945 the plane made practice runs dropping pumpkin bombs on industrial targets where: Little Boy
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