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While the robot traveled down the hall in a relatively straight manner, the contraption consistently pulled it off course.The contraption made the robot veer left and right as it turned around. Because the contraption was square, the areas of drag were inconsistent around the robot. Sometimes there was more drag to the right, sometimes to the left. One possible correction would be to redesign the contraption to be circular, like the robot.

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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https://www.scientificamerican.com/article/out-of-the-way-human-delivery-robots-want-a-share-of-your-sidewalk/

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https://www.fastcompany.com/90291820/8-robots-racing-to-win-the-delivery-wars