IIRC they eventually put the glass into a mass spectrometer and discover an unusually large quantity of osmium. Levels much higher than found anywhere on the earths surface.
IIRC they eventually put the glass into a mass spectrometer and discover an unusually large quantity of osmium. Levels much higher than found anywhere on the earths surface.
IIRC they eventually put the glass into a mass spectrometer and discover an unusually large quantity of osmium. Levels much higher than found anywhere on the earths surface.