Sentences with phrase «very radioactive element»

Curium was only discovered in 1944, by Glenn Seaborg and his collaborators at the University of California, Berkeley, who, by bombarding atoms of plutonium with alpha particles (atoms of helium) synthesized a new, very radioactive element.

Not exact matches

Since the neutron star propagates with an estimated speed of at least 350 kilometers per second, the asymmetry in the spatial distribution of the radioactive elements is expected to be very pronounced.
To detect very small quantities of mobile radioactive elements in the groundwater at former nuclear weapons production sites, researchers have developed a new type of sensor.
Since heavier elements were built by radiation processes, they were very radioactive when first made.
In any case, no - one is suggesting that the planet's core is getting hotter, which would be needed to actually make our planet warm; to the contrary, the planet will be very slowly cooling as the radioactive elements in the core providing this heat gradually lose their energy.
Problematic nuclear waste disposal for very long - lived radioactive elements (e.g. Yucca Mountain); 3.
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