Daily round
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Pub science round: Which technology uses sound echoes to detect objects underwater?
Answer: sonar
Active sonar emits sound pulses and measures returning echoes, while passive sonar only listens.
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Pub landmarks round: Which Dubai skyscraper opened in 2010 as the world’s tallest building?
Answer: Burj Khalifa
The Burj Khalifa rises 828 meters and contains offices, residences, and observation levels.
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Pub inventions round: Which weaving machine used punched cards to control patterns?
Answer: Jacquard loom
Jacquard loom cards influenced later ideas for storing machine instructions as punched patterns.
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Pub art round: Which artist co-founded Cubism with Georges Braque?
Answer: Pablo Picasso
Picasso and Braque developed Cubism by breaking subjects into multiple geometric viewpoints.
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Pub nature round: Which large flightless bird of New Guinea and Australia has a helmet-like casque?
Answer: cassowary
The cassowary’s strong legs carry a long inner toe claw used for defense.