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Catalyst

Catalyst. 1. Today’s Agenda. Four Ways to Propel a Starship. Nuclear Pulse. Nuclear Fusion. Deuterium pellets injected into a reaction chamber 250 times a second will be heated until they fuse together, exploding and powering the craft forward Pros: Less dangerous

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Catalyst

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  1. Catalyst 1.

  2. Today’s Agenda

  3. Four Ways to Propel a Starship Nuclear Pulse Nuclear Fusion Deuterium pellets injected into a reaction chamber 250 times a second will be heated until they fuse together, exploding and powering the craft forward Pros: Less dangerous Cons: Deuterium is rare; fusion reactors don’t really work yet • Thermonuclear bombs are shot from the spacecraft and propel it forward • Pros: Able to do this with current or near-future technology • Cons: Radiation hazard and other damage; relatively slow

  4. Four Ways to Propel a Starship Antimatter Beamed Solar Sail Gigantic reflective fabric is pushed by light particles Pros: Basic technology exists; no fuel needed Cons: Needs a 100,000 square foot sail; uses more electricity than all of Earth • Protons collide with antimatter and explode, transferring their energy to thrust for a rocket • Pros: Extremely efficient, high speed • Cons: Radiators as long as Florida are needed to dump the waste heat

  5. Today’s Agenda

  6. The Multiverse • http://www.pbslearningmedia.org/resource/nvfc.sci.physics.multiverse/mystery-of-the-multiverse/

  7. Time Travel • http://www.pbslearningmedia.org/resource/nvfc.sci.physics.time/traveling-through-time/

  8. Detecting Life on Other Planets • http://tn.pbslearningmedia.org/resource/nsn09.sci.ess.eiu.detectlife/detecting-life-on-other-planets/

  9. Today’s Agenda

  10. Exit Slip • Free write about what you learned today. (At least 5 sentences.)

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