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UNIQUE_STORY_INDEX
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12,523
12523
104
5
0
Under Secretary Patterson gave his approval on 9 February, allocating $5 million for the acquisition of 40000 acres of land in the area.
40,000
12,533
12533
49
3
0
Kellex's design for K-25 called for a four-story 0.5 miles long U-shaped structure containing 54 contiguous buildings.
0
12,534
12534
53
3
0
A survey party began construction by marking out the 500 acres site in May 1943.
500
12,535
12535
199
2
0
Groves set up a committee consisting of Warren K. Lewis, Eger Murphree and Richard Tolman to investigate the idea, and they estimated that a thermal diffusion plant costing $3.5 million could enrich 50 kilograms of uranium per week to nearly 0.9% uranium-235.
50
12,536
12536
43
2
0
Plans called for the installation of 2,142 48 feet diffusion columns arranged in 21 racks.
48
12,538
12538
24
2
0
The plant produced just 10 pounds of 0.852% uranium-235 in October.
10
12,539
12539
101
5
0
Leaks limited production and forced shutdowns over the next few months, but in June 1945 it produced 12730 pounds .
12,730
12,540
12540
6
2
0
About 50 kilograms of uranium enriched to 89% uranium-235 was delivered to Los Alamos by July 1945.
50
12,541
12541
67
3
0
In March 1943, DuPont began construction of a plutonium plant on a 112 acres site at Oak Ridge.
112
12,547
12547
106
2
0
The final design resembled a soccer ball, with 20 hexagonal and 12 pentagonal lenses, each weighing about 80 pounds .
80
12,550
12550
95
2
0
Brought in a special railroad car to a siding in Pope, New Mexico, it was transported the last 25 miles to the test site on a trailer pulled by two tractors.
25
12,551
12551
42
3
0
Instead, it was placed atop a steel tower 800 yards from the weapon as a rough measure of how powerful the explosion would be.
800
12,553
12553
85
3
0
For the actual test, the weapon, nicknamed "the gadget", was hoisted to the top of a 100 feet steel tower, as detonation at that height would give a better indication of how the weapon would behave when dropped from a bomber.
100
12,554
12554
165
3
0
At 05:30 on 16 July 1945 the gadget exploded with an energy equivalent of around 20 kilotons of TNT, leaving a crater of Trinitite (radioactive glass) in the desert 250 feet wide.
250
12,557
12557
37
4
0
The bomb detonated at an altitude of 1750 feet with a blast that was later estimated to be the equivalent of 13 kilotons of TNT.
1,750
12,558
12558
25
1
0
An area of approximately 4 sqmi was destroyed.
4
12,559
12559
172
5
0
Full Circle with Michael Palin (Travel 1995/96; Programme release 1997): in which he circumnavigated the lands around the Pacific Ocean anti-clockwise; a journey of almost 50000 miles starting on Little Diomede Island in the Bering Strait and taking him through Asia, Oceania and the Americas.
50,000
12,560
12560
116
4
0
One example is reinforced Carbon-Carbon (RCC), the light gray material which withstands re-entry temperatures up to 1510 Coulomb and protects the Space Shuttle's wing leading edges and nose cap.
1,510
12,562
12562
88
2
0
Armament was to consist of two 20 mm cannons, two 7.7 mm (.303 in) machine guns and two 60 kilograms bombs.
60
12,563
12563
104
2
0
The maneuverability was to be at least equal to that of the A5M, while the wingspan had to be less than 12 meters to allow for use on aircraft carriers.
12
12,564
12564
90
2
0
This, combined with its light weight, resulted in a very low stalling speed of well below 60 knots .
60
12,565
12565
134
3
0
Early models were fitted with servo tabs on the ailerons after pilots complained that control forces became too heavy at speeds above 300 kmph .
300
12,566
12566
29
4
0
Its tremendous range of over 2600 kilometers allowed it to range farther from its carrier than expected, appearing over distant battlefronts and giving Allied commanders the impression that there were several times as many Zeros as actually existed.
2,600
12,567
12567
129
2
0
Another important maneuver was Lieutenant Commander John S. "Jimmy" Thach's "Thach Weave", in which two fighters would fly about 60 meters apart.
60
12,568
12568
102
2
0
Losing oil, Flight Petty Officer Tadayoshi Koga attempted an emergency landing on Akutan Island about 20 miles northeast of Dutch Harbor, but his Zero flipped over on soft ground in a sudden crash-landing.
20
12,571
12571
75
3
0
The first two A6M1 prototypes were completed in March 1939, powered by the 580 kilowatts Mitsubishi Zuisei 13 engine with a two-blade propeller.
580
12,572
12572
102
3
0
While the navy was testing the first two prototypes, they suggested that the third be fitted with the 700 kilowatts Nakajima Sakae 12 engine instead.
700
12,574
12574
142
3
0
In 1941, Nakajima introduced the Sakae 21 engine, which used a two-speed supercharger for better altitude performance, and increased power to 840 kilowatts .
840
12,575
12575
59
3
0
To correct for this, the engine mountings were cut back by 185 mm to move the engine toward the cockpit.
185
12,577
12577
116
3
0
The inboard edge of the aileron was moved outboard by one rib, and the wing fuel tanks were enlarged accordingly to 420 litres .
420
12,579
12579
107
3
0
The shorter wing span led to better roll, and the reduced drag allowed the diving speed to be increased to 670 kmph .
670
12,583
12583
25
2
0
A plate of armored glass 45 mm thick was fitted to the windscreen.
45
12,585
12585
28
3
0
The mounting of the central 300 litres drop tank changed to a four-post design. ''
300
12,586
12586
104
3
0
Some Model 21 and 52 aircraft were converted to "bakusen" (fighter-bombers) by mounting a bomb rack and 250 kilograms bomb in place of the centerline drop tank.
250
12,587
12587
112
4
0
Similar to the A6M6 but with the Sakae (now out of production) replaced by the Mitsubishi Kinsei 62 engine with 1163 kilowatts , 60% more powerful than the engine of the A6M2.
1,163
12,590
12590
18
4
0
max speed note=at 4550 meters
4,550
12,591
12591
18
4
0
time to altitude= 6000 meters in 7 minutes 27 seconds
6,000
12,592
12592
4
1
0
2× 7 mm Type 97 aircraft machine guns in the engine cowling, with 500 rounds per gun.
7
12,593
12593
3
2
0
2× 20 mm Type 99-1 Mk.3 cannon in the wings, with 60 rounds per gun.
20
12,594
12594
9
3
0
1× fixed 250 kilograms bomb for kamikaze attacks
250
12,595
12595
9
4
0
1930 The 1046 feet Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
1,046
12,596
12596
43
1
0
1969 Apollo 10's lunar module flies within 8 nautical miles of the moon's surface.
8
12,597
12597
32
1
0
Bloch was not a tall man, being 5 feet in height and an elegant dresser.
5
12,598
12598
90
2
0
Mother Minnie learned that farmers were excluded from the draft rolls, so she purchased a 27 acres poultry farm near Countryside, Illinois — but the brothers soon found that chicken ranching was not in their blood.
27
12,599
12599
31
3
0
1905 Las Vegas is founded when 110 acres , in what later would become downtown, are auctioned off.
110
12,601
12601
83
4
0
During the Vietnam War, Carlos Hathcock set the record for a long-distance shot at 7382 feet with a .50 caliber heavy machine gun he had equipped with a telescopic sight.
7,382
12,604
12604
76
4
0
It is the smallest planet in the Solar System, with an equatorial radius of 2439 kilometers .
2,439
12,605
12605
225
2
0
Gallant, Roy A.; The National Geographic Picture Atlas of Our Universe, National Geographic Society, 1986, 2nd edition Based on data from the Mariner 10 mission and Earth-based observation, Mercury's crust is estimated to be 35 kilometers thick.
35
12,606
12606
117
2
0
Topographic map of Mercury's northern hemisphere by the MLA instrument on MESSENGER lowest (purple) to highest (red, 10 kilometers ).
10
12,608
12608
75
1
0
This allows the planet to be found easily, even when using telescopes with 8 cms apertures.
8
12,609
12609
90
2
0
In 1800, Johann Schröter made observations of surface features, claiming to have observed 20 kilometers mountains.
20
12,610
12610
72
1
0
Most of the planet has been mapped by the Arecibo radar telescope, with 5 kilometers resolution, including polar deposits in shadowed craters of what may be water ice.
5
12,613
12613
94
3
0
The spacecraft made three close approaches to Mercury, the closest of which took it to within 327 kilometers of the surface.
327
12,614
12614
115
2
0
The spacecraft's impact with Mercury occurred near 3:26 PM EDT on April 30, 2015, leaving a crater estimated to be 16 meters in diameter.
16
12,617
12617
29
3
0
At 5–10 MPa (50–100 atm) and 250 Coulomb , the reaction is characterized by high selectivity (>99.8%):
250
12,618
12618
138
4
0
Direct subsidies were replaced by "environmental incentives" which results in the government buying milk when the price falls to €200 per 1000 litres .
1,000
12,619
12619
85
5
0
FAO reports Israel dairy farms are the most productive in the world, with a yield of 12546 kilograms milk per cow per year.
12,546
12,620
12620
52
4
0
The lowest average production was in New Zealand at 3974 kilograms per cow.
3,974
12,621
12621
88
4
0
The milk yield per cow in the United States, the world's largest cow milk producer, was 9954 kilograms per year in 2010.
9,954
12,624
12624
73
5
0
Fraser spent most of his early life at Balpool-Nyang, a sheep station of 15000 hectares on the Edward River near Moulamein, New South Wales.
15,000
12,625
12625
52
2
0
Macquarie University's main campus is located about 16 kilometers north-west of the Sydney CBD and is set on 126 hectares of rolling lawns and natural bushland.
16
12,626
12626
53
3
0
Abraham established a grid design comprising lots of 300 sqft running north–south, with the aim of creating a compact academic core.
300
12,627
12627
15
3
0
The measure of 300 feet was seen as one minute's walk, and grid design reflected the aim of having a maximum walk of 10 minutes between any two parts of the university.
300
12,628
12628
17
3
0
With a length of 525 kilometers (including its 52 km long source river White Main) , it is the longest right tributary of the Rhine.
525
12,629
12629
63
2
0
The Red Main originates in the Franconian Jura mountain range, 50 kilometers in length, and runs through Creussen and Bayreuth.
50
12,630
12630
72
2
0
The White Main originates in the mountains of the Fichtelgebirge; it is 41 kilometers long.
41
12,631
12631
82
3
0
The Main is navigable for shipping from its mouth at the Rhine close to Mainz for 396 kilometers to Bamberg.
396
12,632
12632
20
3
0
It is approximately 600 kilometers and was the first long-distance bicycle path to be awarded 5 stars by the General German Bicycle Club ADFC in 2008.
600
12,633
12633
92
2
0
Van Buren was born as Maarten Van Buren on December 5, 1782, in Kinderhook, New York, about 20 miles south of Albany on the Hudson River.
20
12,634
12634
34
1
0
Van Buren was small in stature at 5 feet tall and affectionately nicknamed "Little Van".
5
12,635
12635
25
3
0
In 1850 it was part of a 200 acres stretch set aside for public recreation extending from Governor La Trobe's Jolimont Estate to the Yarra River.
200
12,636
12636
4
3
0
The 900 kilograms abitats can host 400 abalone each.
900
12,637
12637
22
3
0
Isle Royale itself is 206 sqmi .
206
12,638
12638
112
2
0
The most populated island is Grosse Ile with approximately 10,000 residents, located in the Detroit River about 10 miles south of Detroit.
10
12,639
12639
107
3
0
Only Monroe County has territory in the westernmost portion of Lake Erie, which has a surface elevation of 571 feet .
571
12,640
12640
97
5
0
Lake Huron is the second largest of the Great Lakes (after Lake Superior) with a surface area of 23010 sqmi .
23,010
12,641
12641
90
2
0
The largest and most populated of Michigan's islands in Lake Michigan is Beaver Island at 55 sqmi and 551 residents.
55
12,642
12642
3
3
0
At 206 sqmi , Isle Royale is the largest Michigan island and is the center of Isle Royale National Park, which itself contains over 450 islands.
206
12,643
12643
3
3
0
At 430 sqmi , it is one of the largest non-Great Lakes in the United States, but it only contains a small number of islands near the mouth of the St. Clair River, where all of the following islands are located.
430
12,644
12644
27
2
0
The Detroit River runs for 32 miles and connects Lake St. Clair to Lake Erie.
32
12,645
12645
54
1
0
The largest and most populous island is Grosse Ile at 9 sqmi and a population of around 10,000.
9
12,646
12646
22
1
0
Grand Lake is a large 8 sqmi lake in Presque Isle County.
8
12,647
12647
50
3
0
At its shortest distance, it is located less than 1.0 miles from Lake Huron, but the two are not connected.
1
12,648
12648
78
4
0
Ngarrindjeri: Millewa, Yorta Yorta: Tongala) is Australia's longest river, at 2508 kilometers in length.
2,508
12,649
12649
39
3
0
It turns south at Morgan for its final 315 kilometers , reaching the ocean at Lake Alexandrina.
315
12,650
12650
35
4
0
The Murray River forms part of the 3750 kilometers long combined Murray–Darling river system which drains most of inland Victoria, New South Wales, and southern Queensland.
3,750
12,651
12651
126
2
0
West of the line of longitude 141°E, the river continues as the border between Victoria and South Australia for approximately 11 kilometers , where this is the only stretch where a state border runs down the middle of the river.
11
12,652
12652
45
5
0
At its maximum extent Lake Bungunnia covered 33000 sqkm , extending to near the Menindee Lakes in the north and to near Boundary Bend on the Murray in the south.
33,000
12,653
12653
127
4
0
In 1852, Francis Cadell, in preparation for the launch of his steamer service, explored the river in a canvas boat, travelling 1300 miles downstream from Swan Hill.
1,300
12,655
12655
47
3
0
Lock 11, just downstream of Mildura, creates a 100 kilometers long lock pool which aided irrigation pumping from Mildura and Red Cliffs.
100
12,656
12656
100
2
0
The limit of space (also known as the Kármán line) was defined at the time as a minimum altitude of 62 miles , and the only way to reach it was by using rocket-powered boosters.
62
12,657
12657
158
5
0
This created risks for the pilot, including explosion, high g-forces and vibrations during lift off through a dense atmosphere, and temperatures of more than 10000 °F from air compression during reentry.
10,000
12,660
12660
50
4
0
The heaviest spacecraft, Mercury-Atlas 9, weighed 3000 pounds fully loaded.
3,000
12,662
12662
2
2
0
A 55 feet launch vehicle called Little Joe was used for uncrewed tests of the launch escape system, using a Mercury capsule with an escape tower mounted on it.
55
12,663
12663
25
3
0
Its maximum altitude was 100 miles fully loaded.
100
12,664
12664
43
2
0
The Mercury-Redstone Launch Vehicle was an 83 feet (with capsule and escape system) single-stage launch vehicle used for suborbital (ballistic) flights.
83
12,667
12667
96
1
0
It was further stipulated that candidates should be between 25 and 40 years old, no taller than 5 feet , and hold a college degree in a STEM subject.
5
12,668
12668
95
2
0
A Redstone rocket was used to boost the capsule for 2 minutes and 30 seconds to an altitude of 32 nautical miles ; the capsule continued ascending on a ballistic curve after booster separation.
32
12,669
12669
84
2
0
The space vehicle moved gradually to a horizontal attitude until, at an altitude of 87 nautical miles , the sustainer engine shut down and the spacecraft was inserted into orbit (D).
87
12,671
12671
47
4
0
The temperature around the heat shield rose to 3000 °F and at the same time, there was a two-minute radio blackout due to ionization of the air around the spacecraft.
3,000