Another option that has taken hold in recent years, radioactive seeds, aims to minimize side effects by placing the radiation source directly inside the prostate.

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One vessel entering New York recently was stopped by the coastguard and quarantined for several days outside the port while officials investigated the source of radiation emanating from its hold.

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Further, study of the captured space rock could teach researchers how to efficiently extract water from asteroids a resource that could be an off-Earth source of radiation shielding and rocket fuel for journeying spacecraft.

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The Cornell High Energy Synchrotron Source houses synchrotron radiation facilities for research in physics, chemistry, biology, and environmental and materials sciences.

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The device's primary source of neutron radiation was the radioactive element californium, but the stream of neutrons produced by the californium was multiplied by passing it through a lattice of highly enriched uranium U-235, whose nuclear fission released additional neutrons.

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The leak is thought to have been the source of high levels of radiation found in seawater nearby.

BBC: Japan quake: Nitrogen pumped into nuclear reactor

An intercontinental project that bridged citizen science, open data, open source hardware, civic hacking and the Internet of things to monitor, share and map radiation data?

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