逆立ちゴマ
1. Tippe topA tippe top is a kind of top. When a tippe top is spun at a high angular velocity, its handle slowly tilts downwards more and more until it lifts the body of the top off the ground with the stem pointing downward. As the top's spinning rate slows, it loses stability and eventually topples over. At first glance the top's inversion may mistakenly seem to be a situation where the object gains energy.
Read “Tippe top” on English Wikipedia
Read “逆立ちゴマ” on Japanese Wikipedia
Read “Tippe top” on DBpedia
Read “Tippe top” on English Wikipedia
Read “逆立ちゴマ” on Japanese Wikipedia
Read “Tippe top” on DBpedia
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