Sentences with phrase «detects radioactive particles»

A PET scanner can then detect the radioactive particles emitted from inside the brain, representing areas of increased microglial activation before and after immune stimulation with LPS.

Not exact matches

Once absorbed, the radioactive nitrogen emitted bursts of antimatter particles that were detected by phosphor plates, which behave like photosensitive film.
The International Monitoring System (IMS), established by the Comprehensive Nuclear - Test - Ban Treaty, has a number of different ears to the ground to detect clandestine nuclear weapons testing: seismic networks that listen for terrestrial shock waves, hydroacoustic networks that scan the oceans for sound waves, and radionuclide networks to sniff out radioactive particles that nuclear explosions produce.
Produced by the decay of radioactive elements, these particles rarely, if ever, interact with matter, making them extremely hard to detect and study.
The scientists brought their 1.55 metre cores to the surface in 1993, but it has taken another two decades for laboratory techniques to detect and interpret the significance of radioactive particle samples in the rock that could only have come from outer space — which is why scientists think the bedrock must have been exposed, possibly more than once.
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