學生宣稱他發明了「永動機」 - 單車
By Delia
at 2011-05-31T23:16
at 2011-05-31T23:16
Table of Contents
哈囉 先定義一下永動機吧
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永動機是一類想像中的不需外界輸入能源、能量或在僅有一個熱源的條件下便能夠不斷運
動並且對外做功的機械。
==========================(引用自維基百科)====================================
所以一開始需要人去踩動的設計就已經不是永動機囉
然後其他的部分已經有板友說明得很詳細了
我就不多說啦XD
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