Sentences with phrase «using radioactive elements»

Using radioactive elements trapped in crystallized, cream - colored «veins» in New Mexican rock, geologists have peered back in time more than 400,000 years to illuminate a record of earthquakes along the Loma Blanca fault in the Rio Grande rift.

Not exact matches

And in a chapter on the radioactive elements carried in nuclear fallout, there's Pig 311, a sow that survived a nuclear test blast only to be used as propaganda for the weapons» supposed safety.
Lawrence's brother, John, a doctor at Yale, used one of the elements from his brother's cyclotron, radioactive phosphorus, to examine metabolism in mice.
Their fundamental discoveries may aid research into the management of nuclear waste, by helping scientists understand how chemicals can be used to separate the most radioactive elements.
Manchester scientists have revealed how arsenic molecules might be used to «fish out» the most toxic elements from radioactive nuclear waste — a breakthrough that could make the decommissioning industry even safer and more effective.
At the US government's Los Alamos National Laboratory in New Mexico, researchers are generating neutrons with a particle accelerator and using them to transmute long - lived radioactive elements.
Wheeler likes to use the example of a high - energy particle released by a radioactive element like radium in Earth's crust.
Williams looked at the radioactive elements uranium and thorium trapped in these calcite crystals, using them as a kind of clock based on the rate at which uranium decays into thorium.
The unstable element, which will remain radioactive for millennia, is the residue of ill - fated efforts to recycle used nuclear fuel.
Their discovery could aid in the synthesis of new «radiotracers» — chemical compounds that contain a radioactive form, or isotope, of an element — for use with a noninvasive, high - resolution 3 - D medical imaging technology known as PET (positron emission tomography) scanning.
The team dated the water using the radioactive decay of elements in the rocks to inert gases.
Geochronologists often use known rates of radioactive decay of elements in rocks to determine the age of the rock.
The current methods for separating and identifying actinides, a series of radioactive elements used in nuclear weapons and power applications, can take days or even weeks to complete.
The original element is called the parent, and the Archaeologists use the exponential, radioactive decay of carbon 14 to estimate the death dates of organic material.
-- The Administrator of the Environmental Protection Agency shall establish generally applicable environmental standards for the protection of the public and the general environment from radioactive material released from facilities that use an advanced fuel recycling process, including facilities to fabricate fuel enriched with actinide elements other than uranium.
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