World
'Ghost particles' from space telescope wins physics Nobel
Belgian physicist Prof Francis Halzen has won for his pioneering work on an observatory that detects particles from space.
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Topic
particles
Science
A $100 detector can see invisible particles raining down from space
A pocket-sized, roughly $100 detector can reveal the invisible stream of cosmic particles constantly passing through Earth and even through our bodies. What began as a student physics project is now being used in major experiments, balloon missions, and potentially future spacecraft.