Quick Recap & Final Jeopardy – March 25, 2016


Today’s contestants:

Sam Gale, a test reader & evaluator from Kernersville, NC
Doug Behrend, a college professor from Fayetteville, AR
Sarah Thompson, an art history professor from Rochester, NY (1-day total: $16,999)

Scores going into Final Jeopardy:
Doug $9,200
Sarah $8,200
Sam $7,000

Final Jeopardy! category: 20TH CENTURY INVENTIONS

Final Jeopardy! clue: In the 1950s physicist Louis Essen built the first practical one of these, noting that it wouldn’t give you the time of day

Click/Tap Here for Correct Response

What is an atomic clock?



Sam 7000 + 2900 = 9900
Sarah 8200 + 6000 = 14200
Doug 9200 + 7201 = 16401 (1-day total: $16,401)

Regarding the clue? Ba-dum-tish! I eventually stopped groaning long enough to put the correct response down to Final Jeopardy.

Meanwhile, From the Royal Society of Chemistry:

Essen learned about the abortive experiments on a visit to Washington in 1950. He returned to the UK convinced that he could build a better clock by combining Rabi’s atomic beam methods with his own quartz timekeeper. He chose caesium because the hyperfine coupling between its single valence electron and nucleus gave a pair of conveniently separated spin states with long lifetimes. He packed a version of Rabi’s apparatus into an evacuated 1.5m tube, with the improvement of Norman Ramsey’s U-shaped microwave cavity providing two excitation regions and thus much narrower signals. The detector was now connected to a clock built from one of Essen’s quartz rings, kept precisely in time by linking it to the rf field in a feedback loop. Any slowing of the ring’s rhythm would pull the rf field off resonance, causing a change in the detected signal and automatically triggering a correction of the beat. His first clock kept time to within one second in 300 years; Essen was so excited that he dragged the director of the NPL [National Physical Laboratory] ‘to witness the birth of atomic time’.

(contestant photo credit: jeopardy.com)

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7 Comments on "Quick Recap & Final Jeopardy – March 25, 2016"

  1. Linda crawford | March 25, 2016 at 7:33 pm |

    On the show that aired on march 25 2016 Doug answered a question about who turns into the hulk and he answered Bruce banner when its David banner no one caught it

    • Andy Saunders | March 26, 2016 at 11:15 am |

      I can’t find a source anywhere that says it’s David and not Bruce. I think you might be incorrect on this one, Linda.

  2. A pall is not a container (coffin) but the cover that goes on top of it. Luckily it didn’t affect Doug’s eventual win.

  3. Linda crawford | March 26, 2016 at 7:27 pm |

    Look up bill bisby he was the hulk on the TV show

  4. Linda crawford | March 26, 2016 at 8:47 pm |

    Bill bixby

    • Andy Saunders | March 27, 2016 at 1:00 pm |

      Thank you. However, in every other piece of media and canon, he’s Bruce.

      I would venture that if a contestant said David, they probably would have been given credit, but Bruce Banner is definitely not an incorrect response here.

  5. On one episode that involved a fish with both eyes on one side of its face, Alex didn’t accept’ flounder. Answer was flatfish. Flounder is type of flatfish.

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