9 results for “magnetic field”

1. Planet Earth

   Inside the Earth

   magnetic field. This self-sustaining machine is called the geodynamo. The field reaches far out into

   Article · 4 min read

   

2. Planets & the Solar System

   Jupiter

   magnetic field that could swallow the Sun, and moons that may hide oceans of liquid water

   Article · 3 min read

   

3. Matter, Energy & Physics

   Electricity and Magnetism

   field creates a magnetic field, a changing magnetic field creates an electric field, and the two can chase

   Article · 4 min read

   

4. Planets & the Solar System

   The Sun

   magnetic fields, and because different parts rotate at different speeds, those fields get twisted and tangled

   Article · 4 min read

   

5. Animals

   Birds

   magnetic field, probably through molecules in the eye that respond to it, and use it as a compass

   Article · 3 min read

   

6. Planets & the Solar System

   Mars

   magnetic field, and without that shield the solar wind gradually stripped the atmosphere away into space

   Article · 4 min read

   

7. Animals

   Animal Migration

   magnetic field, apparently through specialised molecules in the eye or iron-containing cells, and can read

   Article · 4 min read

   

8. The Human Body

   The Senses

   magnetic field a bird follows. What feels like direct contact with reality is a model, built

   Article · 4 min read

   

9. Matter, Energy & Physics

   Light

   magnetic fields travelling through space. It needs no medium; unlike sound, it crosses a vacuum without

   Article · 4 min read