Plutonium-238 (238 Pu or Pu-238) is a radioactive isotope of plutonium that has a half-life of 87.7 years. Plutonium-238 is a very powerful alpha emitter;...

handling of plutonium dangerous. Plutonium was first synthesized and isolated in late 1940 and early 1941, by deuteron bombardment of uranium-238 in the 1...

Interstellar, some may also be primordial but such claims are disputed Plutonium-238 has a half-life of 87.74 years and emits alpha particles. Pure 238Pu...

space by the United States was SNAP 3B in 1961 powered by 96 grams of plutonium-238 metal, aboard the Navy Transit 4A spacecraft. One of the first terrestrial...

and these neutrons can be absorbed by uranium-238 to produce plutonium-239 and other isotopes. Plutonium-239 can also absorb neutrons and fission along...

of plutonium and longer than any other actinide isotope except for the three naturally abundant ones: uranium-235 (704 million years), uranium-238 (4...

Medtronic and Alcatel developed a plutonium-powered pacemaker, the Numec NU-5, powered by a 2.5 Ci slug of plutonium 238, first implanted in a human patient...

commercial uses at present, it is used as a precursor for the formation of plutonium-238, which is in turn used in radioisotope thermal generators to provide...

one neutron capture include: plutonium-238 which converts into plutonium-239 plutonium-240 which converts into plutonium-241 Some other actinides need...

sprayed in the face with liquid plutonium chloride, causing him to accidentally swallow some. Plutonium-238 and plutonium-239 are exceedingly difficult...

be extracted via the chemical ion-exchange process from samples of plutonium-238 that have been aged somewhat to allow some decay to 234U via alpha emission...

"Standard weapon grade plutonium requires a Pu-240 content of no more than 6.5%." which is 65,000 PPM, and the analogous Pu-238 was produced in levels...

that a nuclear power reactor uses has burnt up. The uranium-238 from which most of the plutonium isotopes derive by neutron capture is found along with the...

and uranium-232. In a fission nuclear reactor, uranium-238 can be used to generate plutonium-239, which itself can be used in a nuclear weapon or as...

Plutonium-238, U.S. Department of Energy: Office of Scientific & Technical Information Amory B. Lovins, Nuclear weapons and power-reactor plutonium,...

uranium-238. Most of the fuel mass in a reactor is uranium-238. By neutron capture and two successive beta decays, uranium-238 becomes plutonium-239, which...

Plutonium(IV) oxide, or plutonia, is a chemical compound with the formula PuO2. This high melting-point solid is a principal compound of plutonium. It...

about one watt of heat each, derived from the decay of a few grams of plutonium-238—although other radioactive isotopes could be used. The heat produced...

material – but from plutonium-239 (239Pu). The latter needs to be produced first, according to the following nuclear process:   92 238 U   → ( n , γ )  ...

uranium-235. Uranium-238 is also important because it is fertile: it absorbs neutrons to produce a radioactive isotope that decays into plutonium-239, which also...

generators (RTGs) mounted on a boom. Each MHW-RTG contains 24 pressed plutonium-238 oxide spheres. The RTGs generated about 470 W of electric power at the...

a total weight of 37.7 kg, including about 4.5 kg of Pu-238 and uses 24 pressed plutonium-238 oxide spheres to provide enough heat to generate approximately...

Plutonium–gallium alloy (Pu–Ga) is an alloy of plutonium and gallium, used in nuclear weapon pits, the component of a nuclear weapon where the fission...

kilogram quantities of plutonium-238 oxide; this heat is also transformed into electricity with thermopiles. The decay of plutonium-238 produces relatively...

mid-20th century, plutonium in the environment has been primarily produced by human activity. The first plants to produce plutonium for use in Cold War...

Mound supplied enriched non-radioactive isotopes. The lab also produced plutonium-238-powered thermoelectric heat sources called SNAP or Systems for Nuclear...

absorb another neutron and become 238Np, which quickly beta decays to plutonium-238 (another non-fissile isotope). 236U and most other actinide isotopes...

convert the heat produced by the natural decay of the radioisotope plutonium-238 to electricity. The physical conversion principle is based on the Seebeck...

lifetime as neutron sources. Californium-252 (spontaneous fission) Plutonium-238 & beryllium, (α,n) reaction americium-241 & beryllium, (α,n) reaction...

efficient than previous radioisotope systems, using one quarter of the plutonium-238 to produce the same amount of power. Despite termination of the ASRG...