From scotsman.com: Cosmic Rays to Solve Ancient Mexican Mystery.
Posted on February 21, 2005 09:25 AM. Filed under: history & archaeology.Sub-atomic particles created by cosmic rays from space are to be used to probe a giant Mexican pyramid and solve one of the world’s greatest archaeological mysteries.
Investigators are to install detectors beneath the Pyramid of the Sun that look for muons – charged particles generated when cosmic rays hit the atmosphere which continuously shower the Earth.
They hope the rate at which muons pass through the pyramid will reveal any hidden burial chambers inside. [continue]