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Re: how well do the sensors pick up color?
I was thinking about this earlier. What are the odds that the robot will pick up on colors outside of the field? Suppose the root locks onto a person wearing green colors.
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If either a public officer or any one else saw a person attempting to cross a bridge which had been ascertained to be unsafe, and there were no time to warn him of his danger, they might seize him and turn him back without any real infringement of his liberty; for liberty consists in doing what one desires, and he does not desire to fall into the river. -Mill
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