Fission, Fusion
Nuclear weapons achieve exponentially increasing nuclear chain reactions by different designs, fission and fusion.
Fission bombs, often called atomic bombs, detonate when neutrons bombard the fissile material, uranium or plutonium isotopes, splitting the atoms into lighter elements and releasing vast amounts of energy in the process.
There are two types of fission bombs. One type, a gun-assembly [...]
Obama’s Commitment
In Prague last April, President Obama set forth an ambitious and bold agenda: to achieve the peace and security of a world without nuclear weapons. Other presidents have articulated that goal, but President Obama has made clear that he will aggressively work toward it.
Achieving a nuclear-free world, the president said, would take patience and persistence [...]
Megatons to Megawatts
Nuclear power provides 20 percent of U.S. electricity, and roughly half of that total is generated by nuclear reactors fueled by uranium that came from a Russian nuclear weapon. The Megatons to Megawatts program is responsible for this remarkable achievement.
Established by the 1993 U.S.-Russia Highly Enriched Uranium Agreement, the Megatons to Megawatts program will by [...]
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