Cosmos

17 results for “wave”

  1. Matter, Energy & Physics

    The Quantum World

    Waves In 1924 Louis de Broglie suggested that if light waves could behave as particles, then

    Article · 4 min read

  2. Matter, Energy & Physics

    Light

    Waves Light is an electromagnetic wave, a ripple in electric and magnetic fields travelling through space

    Article · 4 min read

  3. Matter, Energy & Physics

    Sound

    wave carries, which we see as the height of the wave on a graph. It is measured

    Article · 3 min read

  4. Matter, Energy & Physics

    Electricity and Magnetism

    wave. He calculated the wave's speed and found it was the speed of light. Light

    Article · 4 min read

  5. Matter, Energy & Physics

    Gravity

    waves, so faint that he doubted they could ever be detected. A century later, in September

    Article · 4 min read

  6. Planet Earth

    Inside the Earth

    waves travel faster through dense rock, some cannot pass through liquid at all, and all of them

    Article · 4 min read

  7. Space & the Universe

    Galaxies and the Milky Way

    waves of higher density, like a traffic jam that persists even as individual cars pass through

    Article · 4 min read

  8. Animals

    Whales and Dolphins

    waves that wash seals off ice, techniques taught to young and passed down for generations. Pods

    Article · 4 min read

  9. Planet Earth

    Plate Tectonics and Earthquakes

    waves of a quake and send warnings seconds before the destructive shaking arrives, enough time to stop

    Article · 4 min read

  10. The Human Body

    The Senses

    waves, molecules drifting in the air, pressure on the skin: none of these are experiences in themselves

    Article · 4 min read

  11. The Human Body

    Sleep and Dreams

    waves become slow and large, breathing and heart rate fall, and it is hard to wake

    Article · 3 min read

  12. Animals

    The Octopus

    waves of colour across its body as it moves. It does all this despite being, as far as we can tell

    Article · 3 min read

  13. The Human Body

    Digestion

    wave of muscle contraction carries it down the oesophagus to the stomach in about eight seconds

    Article · 4 min read

  14. Planets & the Solar System

    Saturn

    waves along their edges. Where did the rings come from? Perhaps a moon that strayed too close

    Article · 4 min read

  15. Space & the Universe

    The Life of a Star

    wave, perhaps from a nearby exploding star, nudges a clump into collapsing. As it shrinks it heats

    Article · 3 min read

  16. Planet Earth

    Volcanoes

    waves. Volcanoes and climate A big eruption changes the weather for the whole planet. Ash falls

    Article · 4 min read

  17. Space & the Universe

    The Big Bang

    The universe began 13.8 billion years ago as something hotter and denser than anything we can

    Article · 4 min read