How It Works Issue 117

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Published 4th October

From time travel to regeneration, discover the science and tech behind Doctor Who in our special feature! This month we're also getting into the Halloween spirit with some spooky science, the creepy cosmos and the gruesome history of the Tower of London.

  • Doctor Who special
  • Spooky science: freaky phenomena, vampires explained, zombie cells and potion chemistry
  • Heroes of… Harry Houdini
  • Celebrating 60 years of NASA
  • Creepy cosmos
  • What would happen if the Sun disappeared?
  • The Tower of London
  • Carnotaurus
  • Killer colours
  • Cryptocurrency explained
  • CT scanners
  • Magic Leap One teardown
  • Are octopuses aliens?
  • Island evolution
  • The A7V tank
  • Aquaplaning
  • Marvel's Spider-Man PS4 review

Plus the regulars:
  • Amazing images
  • Global Eye news
  • Wish List
  • Brain Dump
  • Book reviews
  • Brain Gym
  • How To – make cosmic eggs
  • Competition – win a Nintendo Switch bundle worth £340!
  • Letters
  • Fast Facts