Sentences with phrase «make radioactive isotopes»

Not exact matches

They have also exhibited the pattern of behaviour to make this scenario credible, not least in the murder of Alexander Litvinenko using a radioactive isotope in 2006.

Sometimes, as is the case with radioactive isotopes, the number of neutrons present in the nucleus can make the isotope unstable.

Very recently a new technique called positron emission transverse tomography has been developed that makes it possible to detect from outside the skull the presence of deoxyglucose or other substances labeled with positron emission radioactive isotopes.

For a year, in addition to testing air samples for radioactive isotopes, Bartke collected soil organisms, insects and other invertebrates, and a few snakes and lizards, making do with the little equipment and few supplies that he had.

The original dust particles were made largely of silicates mixed with other materials, including water and aluminum 26, a radioactive isotope with a half - life of about 700,000 years.

But making an atom with 114 protons and 184 neutrons would require an intense beam of radioactive atoms, something that can't be produced with existing technology, says Michael Thoennessen of Michigan State University in East Lansing, who catalogues new isotopes.

It is nonmetallic and tetravalent — making four electrons Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Quite apart from arguments about «responsible solutions» (let's not do that again), an isotope that's radioactive has potential energy — that's what makes it radioactive, after all — so that in principle transmuting it to a more stable isotope * should release energy, which could be harnessed.