NINE hundred scientific workers, including no fewer than 160 non-Germans, attended the second Zeiss-Kurs in Jena last month. As apparently only three Englishmen were present, it would appear to be ...

THIS second edition of Prof. Bohle's work is considerably revised and extended and is much more complete than his original treatise, which was based on lectures delivered at the University of Cape ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

TROY — The Lighting Research Center at Rensselaer Polytechnic Institute in Troy will hold a two-day Photometry Institute, an interactive course this fall that will provide participants with the ...