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Solenoids are frequently used for focusing of the low energy electron beams. In this paper we focus on using these magnets as a nearly universal tool for measuring beam parameters including energy, emittance, and the beam position and angle…

Tracking physical activity reliably is becoming central to many research efforts. In the last years specialized hardware has been proposed to measure movement. However, asking study participants to carry additional devices has drawbacks. We…

Human-Computer Interaction · Computer Science 2018-04-16 Gabriela Villalobos-Zúñiga , Mauro Cherubini

We present magnetic fingerprints; an input technique for mobile touchscreen devices that uses a small magnet attached to a user's fingernail in order to differentiate between a normal touch and a magnetic touch. The polarity of the magnet…

Human-Computer Interaction · Computer Science 2015-01-15 Halim Cagri Ates , Ilias Apostolopoulos , Eelke Folmer

Sensitive magnetometers have been applied in a wide range of research fields, including geophysical exploration, bio-magnetic field detection, ultralow-field nuclear magnetic resonance, etc. Commonly, magnetometers are directly placed at…

The existence of magnetic moments of neutrinos points to physics beyond the standard model. Given current upper limits, terrestrial measurements are difficult or completely unfeasible. However, estimates of transition moments can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Domokos , S. Kovesi-Domokos

The sun blocks cosmic ray particles from outside the solar system, forming a detectable shadow in the sky map of cosmic rays detected by the ARGO-YBJ experiment in Tibet. Because the cosmic ray particles are positive charged, the magnetic…

A recent set of articles considers the effect of Earth's gravity on the magnetic moments of fermions. The authors conclude that the gravitational effects cancel out for measurements of the electron anomalous magnetic moment, but for the…

High Energy Physics - Phenomenology · Physics 2018-02-06 Pawel Guzowski

In the last years, numerous Physics experiments using smartphone sensors have been reported in the literature. In this presentation we focus on a less-explored feature of the smartphones: the possibility of using (measure and register data)…

Physics Education · Physics 2019-10-02 Martin Monteiro , Cecilia Stari , Cecilia Cabeza , Arturo C. Marti

Magnetic fields play a fundamental role for interior and atmospheric properties of M dwarfs and greatly influence terrestrial planets orbiting in the habitable zones of these low-mass stars. Determination of the strength and topology of…

Solar and Stellar Astrophysics · Physics 2020-12-23 Oleg Kochukhov

A smartphone, with its integrated sensors and cpu, can aid experiments in many different areas of Physics. We show how the resonant frequencies of a pipe can be measured using a smartphone and a Bic pen.

Physics Education · Physics 2014-01-13 Lorenzo Galante , Anna Maria Lombardi

In this paper, we describe a simple apparatus consisting of a scale, capable of a one milligram resolution, and a commonly obtainable magnet to measure magnetic forces. This simple apparatus is capable of measuring magnetic properties of…

Materials Science · Physics 2014-08-01 Jan A. Makkinje , George O. Zimmerman

The Planck mission will permit measurements of the polarization of the cosmic microwave background and of polarized foregrounds such as our own Galaxy with an unprecedented combination of accuracy and completeness. This will provide…

Astrophysics · Physics 2009-11-11 Torsten A. Ensslin , Corina Vogt , Andre Waelkens , Alexander A. Schekochihin

We show that solar axion conversion to photons in the Earth's magnetosphere can produce an x-ray flux, with average energy \sim 4 keV, which is measurable on the dark side of the Earth. The smallness of the Earth's magnetic field is…

High Energy Physics - Phenomenology · Physics 2009-11-11 Hooman Davoudiasl , Patrick Huber

Nitrogen vacancy centres in diamond can be used for vector magnetometry. In this work we present a portable vector diamond magnetometer. Its vector capability, combined with feedback control and robust structure enables operation on moving…

Based on the recent finding that the difference in proper time of two clocks in prograde and retrograde equatorial orbits about the Earth is of the order 10^{-7}s per revolution, the possibility of detecting the terrestrial gravitomagnetic…

General Relativity and Quantum Cosmology · Physics 2007-05-23 H. I. M. Lichtenegger , F. Gronwald , B. Mashhoon

Signal processing has played, and continues to play, a fundamental role in the evolution of modern localization technologies. Localization using spatial variations in the Earth's magnetic field is no exception. It relies on…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Isaac Skog , Manon Kok , Christophe Prieur , Gustaf Hendeby

We consider various methods and techniques for measuring electron magnetization and susceptibility, which are used in experimental condensed matter physics. The list of considered methods for macroscopic measurements includes…

Materials Science · Physics 2023-02-20 V. M. Pudalov

To measure oscillation of a simple pendulum was probably a first idea coming to mind after appearance of smartphones with small but powerful acceleration sensors~: Simply attach the telephone to a playground swing or hang it on two string…

Physics Education · Physics 2020-05-12 Julien Vandermarlière , Mikhail Indenbom

In this paper we discuss the use of sensors incorporated in mobile devices as possible mobile laboratories at the service of teaching experimental sciences. Mobile devices, smartphones, tablets, laptops, microbit cards, are a resource for…

Physics Education · Physics 2019-01-17 Martin Monteiro , Cecilia Stari , Cecilia Cabeza , Arturo C. Marti

Much of the information about the magnetic field in the Milky Way and other galaxies comes from measurements which are path integrals, such as Faraday rotation and the polarization of synchrotron radiation of cosmic ray electrons. The…

Astrophysics of Galaxies · Physics 2021-01-05 Steven R. Spangler