THE investigations of McNair (Phys. Review, 31, 986; 1928) have shown the complicated behaviour of the Zeeman patterns of the mercury resonance line, 2537 A., in emission. Some observations made in ...

AN interesting dynamical illustration of the Zeeman effect may be made by fixing a gyroscope so that its axis of rotation is the line of suspension of a pendulum bar so suspended as to be capable of ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 13, No. 5 (May 15, 1927), pp. 347-350 (4 pages) ...

More often than you think, scientific progress starts with a simple statement: “Huh, that’s funny…” That’s the sign that someone has noticed something peculiar, and that’s the raw fuel of science ...

For direct detection, an observatory would need to capture photons that travel through the planet's atmosphere as it is making a transit. Given that transits are one of the primary ways exoplanets ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

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