Stanislaw Ulam developed a hypothetical method to propel spaceships using this kind of device, one type of which he helped develop along with Hungarian scientist Edward Teller.
When cobalt is added to this device, it can be described as "salted." Stanislaw Ulam developed a hypothetical method to propel spaceships using this kind of device, one type of which he helped develop along with Hungarian scientist Edward Teller. By removing the tamper, this device can be modified to emit large amounts of neutrons, which can harm nearby lifeforms but leave buildings standing, and famous devices of this type include Trinity, Little Boy, and Fat Man. For 10 points, name this device built by the Manhattan Project.
When cobalt is added to this device, it can be described as "salted."
{nuclear bomb} [accept {nuclear weapon}; accept {nuke}; accept {atomic bomb}; accept {a}-{bomb}]