ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Below 170 Å, photography of the solar spectrum presents certain difficulties due to absorption of radiation by the aluminium foil filter commonly used to reduce fogging due to scatter of visible light. This problem is solved when photoelectric detectors, insensitive to visible light, are ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/206808a0