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Happy to help! Once you have explained the rotation of the plane of swing of a long pendulum, have a careful look at a house fly with a magnifying glass. Some insects have four wings, but diptera (house flies) have the second pair reduces to a stalk with a knob on the end, called halteres, that vibrate very fast in flight. AFAIK these provide an artificial horizon or turn rate indication, as in an aircraft.
As an aside, I don't believe the reports of Mpemba's original experiment are correct.Worth an investigation and a discussion - folk have argued about this for years!