Therefore, the sample offers the first solid measure of not only the strength of Earth's ancient magnetic field, but also of the timing of when the magnetic field originally appeared. "Extracting ...
Nearly two centuries after Faraday's failed attempts, scientists have demonstrated that Earth's continuous spin can directly ...
Experiments suggest that an unusual magnetic material can help harness energy from the planet’s rotation. But not everyone is ...
suggesting that such an event is directly linked to a dramatic change of the strength of Earth’s magnetic field. “This record reveals a substantial increase in the carbon-14 content of the ...
The strength of the Earth’s magnetic field ranges between 25,000 and 65,000 nano-Tesla (nT) with values of 31-58,000 nT between the equator and 50 degrees latitude. The complexity of the ...
Would a dramatic change in the Earth's magnetic field affect ... robins into a steel chamber and reduced the strength of the ambient magnetic field by a third, the birds' flutterings were no ...
To investigate, describe and recall how the strength of the magnetic field depends on the current in the coil, the number of turns in the coil and the material used as the core of the coil.
A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...
This, in turn, affects convection in the outer core—the dynamo-like process that generates the magnetic field that protects life on Earth from harmful cosmic rays. "Flow in the outer core drives ...
Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...
Scientists do believe the Moon had a magnetic field billions of years ago that was roughly comparable in strength to Earth’s, generated by a now-extinct molten core dynamo. This ancient field likely ...