The Michelson-Morley-Miller experiment carried out in a free balloon

✍ Scribed by G.F.S.

• Publisher: Elsevier Science
• Year: 1926
• Tongue: English
• Weight: 66 KB
• Volume: 202
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(26)91722-5

✦ Synopsis

626

CURRENT TOPICS.

[J. F. I, currents there will be a recurrence of high or low values after twenty-seven days. Accordingly a study has been made of the observations on earth-currents recorded at the Ebro Observatory, Spain, from 191o to I924. While it is not true that all the highest and all the lowest values in the daily range of earth-currents are inevitably followed twenty-seven days later by high and low values, respectively, though this often happens, yet " the investigation has shown that the high and low values that follow, fall on and around the twenty-seventh day in such a way that the mean value for a number of years on the twenty-seventh day after the highest value is a high value and the mean value on the twenty-seventh day after the lowest value is a low value." A similar recurrence is certainly true also for the fifty-fourth day and perhaps for the eighty-first as well, though to a less striking extent.

It may be that the interval of twenty-seven days is connected with the period of rotation of the sun.

G.F.S.