Search results
Results from the WOW.Com Content Network
The adjacent photograph shows two unusual phenomena: bright spikes projecting from the bottom of the fireball, and the peculiar mottling of the expanding fireball surface. The surface of the fireball, with a temperature over 20,000 Kelvin , emits huge amounts of visible light radiation , more than 100 times the intensity at the Sun's surface.
A ground burst is the detonation of an explosive device such as an artillery shell, nuclear weapon or air-dropped bomb that explodes at ground level. These weapons are set off by fuses that are activated when the weapon strikes the ground or something equally hard, such as a concrete building, or otherwise detonated at the surface.
The exploding-bridgewire detonator (EBW, also known as exploding wire detonator) is a type of detonator used to initiate the detonation reaction in explosive materials, similar to a blasting cap because it is fired using an electric current. EBWs use a different physical mechanism than blasting caps, using more electricity delivered much more ...
[9] [10] [11] This was the 1.2 kiloton Buster-Jangle Uncle, [12] which detonated 17 ft (5.2 m) beneath ground level. [10] The test was designed as a scaled-down investigation of the effects of a 23-kiloton ground-penetrating gun-type fission weapon that was then being considered for use as a cratering and bunker-buster weapon. [13]
The German Stachelbombe (nose-spike bomb) or stabo of WWII was a standard bomb, from 50 kg to 500 kg, modified for use from low altitude. [5] To avoid the risk of ricochet from the ground, a nose spike was fitted to penetrate first and anchor the bomb against bouncing — without this, there was a risk of the dropping aircraft not only missing ...
The bomb fell on the bomb-bay doors, smashing them open and going into a 15,000 feet (4,572 m) free fall. The high-explosive detonator went off after it hit the ground 6.5 miles east of Florence, South Carolina, in Mars Bluff, creating a 70 feet (21 m) wide crater, 30 feet (9 m) deep. [41] A nearby house was destroyed and several people were ...
However, half their weight was due to the cast high tensile steel casing necessary for penetrating the ground – up to 130 ft (40 m) – before exploding. The MOAB, in contrast, has a light 2,900 lb (1,300 kg) aluminum casing surrounding 18,700 lb (8,500 kg) of explosive Composition H-6 material.
Each bomb was triggered by a cell phone alarm, which activated a phone battery to send power through a thin wire filament inside a syringe containing 5 grams (0.18 oz) of lead azide, a powerful chemical initiator. [29] [40] [43] Once hot, the lead azide would ignite, causing the PETN to detonate.