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Space & time

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Understanding gravity—warps and ripples in space and time

Gravity allows for falling apples, our days and nights, curved starlight, and even time travel ...

  • physics
  • astronomy
  • solar system
view topic arrow Space
Exploring the unknown with the Square Kilometre Array

The SKA will enable us to look into all the dark corners of the universe.

  • astronomy
  • cosmology
  • astrobiology
view topic arrow Space

Topics

Keeping track of time
The way we measure time is influenced by our culture and religion.
  • mathematics
  • lifestyle
  • astronomy
view topic arrow Other
The dark stuff of our universe
Matter as we know it accounts for less than 5% of the known universe. The rest remains somewhat of a mystery.
  • physics
  • astronomy
  • cosmology
view topic arrow Space
Humans in space
Space is cool. But what are the realities of being there?
  • water
  • health
  • food
view topic arrow Space
The physics of speeding cars
Driving even a few kilometres per hour above the speed limit greatly increases the risk of an accident.
  • mathematics
  • physics
  • lifestyle
  • transport
view topic arrow Technology
Quantum computing
Quantum computers are completely different to the computers we're used to...
  • physics
  • engineering
  • computer science
view topic arrow Technology
Do we have neighbours beyond Earth?
Where might we find life beyond our home planet?
  • solar system
  • astrobiology
  • astronomy
view topic arrow Space