• Instead of wheeling around, the 5kg Hedgehog "hops and tumbles" around microgravity environments. These bots can handle a variety of surfaces, including those covered in rocks or ice.
  • One Hedgehog prototype has 8 spikes and 3 flywheels. The spikes can "pop" the bot in a direction, and the flywheel can roll it where it needs to go.
  • One problem: these bots aren't autonomous yet, but they are cheaper than a traditional rover. The next step is to increase how much the hedgehog can do without instructions from earth.

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