Can you solve the bridge riddle? - Alex Gendler

TED-Ed
1 Sept 201503:50

Summary

TLDRIn a remote mountain lab, a mischievous lever pull unleashes mutant zombies. With limited time and a fragile rope bridge as the only escape, a group—comprising the protagonist, a lab assistant, a janitor, and an old professor—must strategize to cross the gorge. The plan involves pairing the slowest with the lantern bearers for efficiency, ensuring all cross before the zombies arrive. A nail-biting race against time culminates in a daring escape, just as the bridge collapses, leaving the monsters behind.

Takeaways

  • 🏔️ The setting is a remote mountain lab where a lever with a skull symbol was pulled, leading to a zombie outbreak.
  • 🔄 The group consists of a quick protagonist, a lab assistant, a slow janitor, and an old professor, all trying to escape mutant zombies.
  • 🌉 The only escape route is an old rope bridge that can only hold two people at a time and spans a massive gorge.
  • ⏱️ The bridge crossing times are one minute for the protagonist, two for the lab assistant, five for the janitor, and ten for the professor.
  • 🕰️ The zombies will catch up in just over 17 minutes, creating a time constraint for the group to cross the bridge.
  • 💡 The old lantern is the only source of light, limiting visibility and requiring it to be carried or closely followed.
  • 👥 No more than two people can cross the bridge at the same time, and the lantern must be used for visibility.
  • 🚫 The scenario rules out alternative escape methods such as swinging across or using the bridge as a raft.
  • 🔑 The strategy involves minimizing the time wasted by the slowest individuals by having them cross together.
  • 🏃‍♂️ The fastest individuals are used for returning the lantern to expedite the crossing process.
  • ✂️ The final act involves cutting the ropes to collapse the bridge just as the zombies arrive, ensuring everyone's safety.

Q & A

  • What was the protagonist's initial mistake that led to the zombie situation?

    -The protagonist's initial mistake was pulling the lever with the skull symbol out of curiosity without knowing its consequences.

  • Who are the four individuals trying to escape from the mutant zombies?

    -The four individuals are the protagonist, the janitor, the lab assistant, and the old professor.

  • What is the only way to safety for the group?

    -The only way to safety is across an old rope bridge that spans a massive gorge.

  • How long does it take for each person to cross the bridge alone?

    -The protagonist takes one minute, the lab assistant takes two minutes, the janitor takes five minutes, and the professor takes ten minutes.

  • What is the time constraint for the group to escape before the zombies catch up?

    -The group has just over 17 minutes to get everyone across the bridge and cut the ropes before the zombies catch up.

  • What is the limitation of the rope bridge?

    -The bridge can only hold two people at a time.

  • Why is it necessary to return the lantern after crossing the bridge?

    -The lantern is needed for visibility, as it's very dark and the lantern only illuminates a tiny area. It must be brought back for others to cross.

  • What is the strategy to minimize time wasted by the slowest individuals?

    -The strategy is to have the two slowest individuals, the professor and the janitor, cross the bridge together.

  • Why is it crucial for the lab assistant to return the lantern to the protagonist?

    -The lab assistant returns the lantern to the protagonist so they can make the final crossing together within the remaining time before the zombies arrive.

  • What is the final action taken by the group to ensure the zombies cannot follow them?

    -The final action is cutting the ropes and collapsing the bridge behind them as soon as everyone is safely across.

  • What is the protagonist's resolution for the future?

    -The protagonist resolves to stick to the library next summer, implying a decision to avoid dangerous situations like the one in the script.

Outlines

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Ähnliche Tags
Zombie ApocalypseEscape StrategyMountain LabTeamworkSurvivalTime ManagementNight VisionRope BridgeMutant ZombiesQuick Thinking
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