http://www.vancouversun.com/news/Qaida+brink+using+nuclear+bomb/4205104/story.html
The bad guys have everything for a dirty bomb, that is, a conventional bomb that scatters nuclear materiel. They blow it in the middle of, say, London and a 5-10 mile radius is contaminated for 120 years or so (your half-lives may vary).
Since 9/11 these people have realized that they can hit the USA and survive untouched.
This is the price for not convincing the last bad guys of their mortality.
Plutonium
Pu-238 - 87.74 years
Pu-239 - 24065 years
Pu-240 - 6537 years
Pu-241 - 14.4 years
Pu-242 - 3.76E5 years
Pu-243 - 4.956 hours
Pu-244 - 8.26E7 years
Uranium
U-232 - 72 years
U-233 - 1.59E5 years
U-234 - 2.445E5 years
U-235 - 7.03E8 years
U-236 - 2.34E7 years
U-237 - 6.75 days
U-238 - 4.47E9 years
U-240 - 14.1 hours
The bad guys have everything for a dirty bomb, that is, a conventional bomb that scatters nuclear materiel. They blow it in the middle of, say, London and a 5-10 mile radius is contaminated for 120 years or so (your half-lives may vary).
Since 9/11 these people have realized that they can hit the USA and survive untouched.
This is the price for not convincing the last bad guys of their mortality.
Plutonium
Pu-238 - 87.74 years
Pu-239 - 24065 years
Pu-240 - 6537 years
Pu-241 - 14.4 years
Pu-242 - 3.76E5 years
Pu-243 - 4.956 hours
Pu-244 - 8.26E7 years
Uranium
U-232 - 72 years
U-233 - 1.59E5 years
U-234 - 2.445E5 years
U-235 - 7.03E8 years
U-236 - 2.34E7 years
U-237 - 6.75 days
U-238 - 4.47E9 years
U-240 - 14.1 hours
