Quod Erat Demonstrandum

2013/02/04

[FW] Amazing Double ‘A’ Battery Trick

Filed under: Fun,Physics — johnmayhk @ 6:33 下午

唔知幾時可以同阿仔玩呢個實驗:

2 則迴響 »

  1. 我以前將唔要的電器入面D銅線同埋喇叭的磁鐵拆出來用, 不過整出來唔識轉.
    唔知係咪磁鐵唔得呢.

    迴響 由 CHIN — 2013/02/05 @ 12:08 下午 | 回覆

    • 唔知呀,要搵高手答你了。我只想試下做做實驗先。

      迴響 由 johnmayhk — 2013/02/06 @ 8:27 上午 | 回覆


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