This brief tutorial explains how the “Wiegand effect” can be used as a reliable, low-cost, energy-harvesting system to power ...

Functional magnetic resonance imaging is a non-invasive method for measuring brain activity. It uses magnetic resonance imaging to map blood oxygenation levels in the brain and estimate changes in ...

Palaeomagnetism is the study of past variations in the Earth’s magnetic field as reconstructed from the rock and archaeological records. In addition to providing information about the intensity, ...