A model of the famous toy known as a spirograph. A circle of radius r (see blue circle below) is allowed to roll around the inside of a circle of radius R (see black circle below). We assume that the ...
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The Meaning Behind Green, Teal, and Blue Circles When Charging Your Samsung PhoneTeal circle and two lightning bolts: Super Fast Charging (25 watts) A 5,000 mAh battery supporting 25-watt charging can be ...
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