Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth.

The magnetized rocks of Earth's crust and mantle, also known as the upper lithosphere, accounts for generating 6 percent of ...

Two German physicists have unveiled a compact magnet layout that outperforms the famed Halbach array, delivering stronger, ...

New research published in Physical Review Letters suggests that superconducting magnets used in dark matter detection ...

Apples and magnet. For this experiment you need to build suspension from chop sticks. Put 2 apples at opposite ends of the ...

HFEPR spectra of polycrystalline samples of 1 and 2 at low temperatures confirm the positive sign of D and provide an estimate of the E/D quotient [0.147/0.187 (1) and 0.052 (2)]. Detailed ac and dc ...

Recent advances in manipulation of micro- and nano-objects with magnetic fields at small scales. Materials Horizons 2020, 29 DOI: 10.1039/C9MH00714H. Zongqian Shi, Jiajia Sun, Shuang Chen, Shenli Jia.

Abstract: We proposed a photonic crystal fiber (PCF) sensor with selective filling of liquid crystal and magnetic fluid based on the principle of surface plasmon resonance (SPR) with the ...

This paper presents an analytical calculation of the three components of the magnetic field created by tile permanent magnets whose magnetization is either radial or axial. The calculations are based ...

Sharpest-ever view of the Sun’s surface reveals ultra-fine magnetic “stripes,” known as striations. Credit: NSF/NSO/AURA Scientists used the world’s largest solar telescope to capture ...

Magnetic reconnection -- when magnetic field lines converge, break apart and reconnect in an explosive physical process -- energizes particles and generates high-speed flows.