Finding Something by Looking at Nothing

That's a Whole Lot of Nothing
That’s a Whole Lot of Nothing

NASA has recently announced they have found evidence of dark matter by, um, not finding it.  After studying over year’s worth of data, positrons — the antimatter partner particles of electrons — that suggest they were created when particles of dark matter collided and annihilated each other.

In this time of vast data accumulation, much is being made about what the data can tell us.  One aspect that is often overlooked is that the absence of something can also be very telling.  Analysis of data and information may show indicators of something that cannot be seen, like dark matter.  And like dark matter, that absence may be more vast than what can be seen.


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