So today you have 1 gram. No bomb. Tomorrow you have 2 grams. Still no bomb.
...
365 days later, you have 365 grams after spending ungodly amounts of energy to separate isotopes. AND STILL NO BOMB! Not even a small one. These scientists are just some bullshit artists.
...
365 days later, you have 365 grams after spending ungodly amounts of energy to separate isotopes. AND STILL NO BOMB! Not even a small one. These scientists are just some bullshit artists.
52kg later: BOOM!