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  • Hydrofoil
    The hydrofoil blade at the bottom of the keel is curved.
  • Sneak Peek: Making Stuff Wilder
    Host David Pogue learns how hagfish slime might be used in the clothing of the future.
  • How Batteries Work
    To create an electricity-powered vehicle, you need a battery that holds enough energy.
  • Muon Detection
    When the muons hit denser material, they are deflected and their angle changes.
  • KillaCycle
    Lithium batteries hold more energy because smaller atoms allow more flowing electrons.
  • Robot Arm
    Clunky metal robotic arms can be dangerous for humans to work near.
  • Elephant Arm
    The arm is controlled by inflating an accordion-like tube on one side to bend the arm.
  • Muons
    Early nuclear detectors couldn't pick-up radioactive emissions shielded by lead or steel.
  • Chicken Feathers
    When you heat chicken feathers to 750 degrees F they become over 200 times more absorbent.
  • FinGripper
    Festo designed its FinGripper based on the movements of a fish tail.
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