Optics.org
daily coverage of the optics & photonics industry and the markets that it serves
Menu
A well in the Western Desert of Egypt. The team from the Argonne National Laboratory, US, used radio-krypton dating to determine that the water has been underground for half a million years. (credit: Argonne National Laboratory)
Copyright © 2022 SPIE EuropeDesigned by Kestrel Web Services