11 results for “electricity”
Matter, Energy & Physics
Electricity and Magnetism
electricity could make magnetism, could magnetism make electricity? Michael Faraday, a bookbinder's apprentice who became
Article · 4 min read
Matter, Energy & Physics
Energy and Heat
electric current. And mass itself is a form of energy, as Einstein's E = mc² states
Article · 4 min read
Matter, Energy & Physics
Atoms
electric charge, and neutrons, which carry none. Around the nucleus move electrons, far lighter, each carrying
Article · 4 min read
Planet Earth
Inside the Earth
electrical conductor, and as it churns, driven by heat and twisted by the planet's spin
Article · 4 min read
The Human Body
The Brain
electrical, a pulse that travels down the axon at up to 120 metres per second. At the end, the axon
Article · 4 min read
The Human Body
The Heart and Blood
electrical pulse about once a second, which spreads through the muscle and makes it contract in sequence
Article · 4 min read
Matter, Energy & Physics
Light
electric and magnetic fields travelling through space. It needs no medium; unlike sound, it crosses a vacuum
Article · 4 min read
Life & Biology
The Origin of Life
electric sparks through it to imitate lightning, and within a week found amino acids in the water
Article · 4 min read
Planet Earth
Weather and Climate
electricity consumption. Its eye, a few tens of kilometres across, is calm and often cloudless, surrounded
Article · 4 min read
The Human Body
The Senses
electrical signals. The experience, the colour red, the sound of a voice, the smell of rain
Article · 4 min read
Animals
Sharks
electric fields that every living animal produces when its muscles move or its heart beats. A shark
Article · 3 min read
