Exact(2)
In 1940 Peierls and Otto Frisch, a colleague at Birmingham, issued a memorandum that correctly theorized that a highly explosive but compact bomb could be fashioned out of small amounts ("about 1 kg" [2 pounds]) of the rare isotope uranium-235.
The existence of the compact bomb design began to become public in recent weeks after Switzerland announced that it had destroyed a huge stockpile of documents, including a weapons design, that were found in the computers of a family in Switzerland, the Tinners, who over the years played critical roles in Khan's operation.
Similar(58)
Investigators said the evidence that the Khan network was trafficking in a tested, compact and efficient bomb design was particularly alarming, because if a country or group obtained the bomb design, the technological information would significantly shorten the time needed to build a weapon.
If you've never heard of Ramparts or have only vague awareness of its significance, Peter Richardson's compact history, "A Bomb in Every Issue," will assure you of its place in the magazine pantheon.
In the most recent investigations, the Khan network was found to have trafficked in a tested, compact and efficient bomb design that could significantly shorten the time needed to build a weapon and could be delivered by many existing missiles, like the Shahab-3 in Iran.
More recently, the investigators found signs that the Khan network was trafficking in a tested, compact and efficient bomb design that could significantly shorten the time needed to build a weapon and could be delivered by many existing missiles, like Iran's Shahab-3.
Further refinements in design to make lighter, more compact, and more efficient bombs culminated in a three-megaton test on April 28 , 1958 and four more tests in August and September.
The oscillation creates HPMs that are then emitted from an antenna that guides them towards the target.Because the source of the energy is a compact explosive, a vircator could fit inside bombs or cruise missiles.
Police seized guns, explosives, bomb-making booklets and 4,000 compact discs with training advice from Osama Bin Laden, and believed that the suspects were members of the radical Islamic group Ansar al-Islam, thought to be linked with al-Qaeda.
The W-88 warhead is 30 times more powerful than the bomb that leveled Hiroshima, but the compact design of its primary allows for unusual accuracy.
When she visited again, it was gone, unrecognizable, the building crushed by the force of a bomb that weighed as much as a compact automobile.
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