SINCE quartz is transparent in the ultra-violet, the employment of the powerful technique for Raman-effect studies developed by Rasetti, in which the 2537 A. radiation from a water-cooled magnet ...

The interaction between black holes and their galactic environments is now seen as central to understanding quasar activity. Next Steps with the James Webb Telescope Astronomers plan to use the James ...

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Splits Oct 29, 2015 Oct 31, 2015 Sep 04, 2015 Split: Old FV1.0| New FV:10.0 ...