Engineering professors at McGill University have constructed a new type of wheel, designed for the moon but inspired by the humble beanbag chair.
麦吉尔大学的工程学教授们建造出了一种新型车轮，为月球而设计，却是受到简陋豆袋椅的启发。
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To lighten the load, NASA's newest lunar probes will take an indirect route to the moon, via a type of celestial way station where the sun's gravity and Earth's gravity balances out.