Scientists just confirmed a 30-foot void first detected inside the monument years ago. Here’s the technology that helped scientists find it—and what it may have been used for
, research has shown that Egyptians likely built gaps into the pyramids to relieve pressure and keep them structurally sound.
Still, like the pyramids themselves, these voids continue to fascinate us. So how do we know they exist—and how do scientists measure them? Here’s the science behind the technology.Scientists got a better glimpse of the pyramid’s innards thanks to a clever imaging technique called muon radiography, which wasMuon radiography relies on the muon, a kind of subatomic particle very similar to the electron, except it’s about 200 times more massive and lasts only a few millionths of a second.
Earth’s natural muon drizzle poses no threat. If you’re reading this story on a modern smartphone, 10 muons will have harmlessly passed through your screen by the time you finish this sentence. Muons also have just the right properties to help out scientists trying to see through structures—whether they be pyramids,
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